Chess Room Newsletter #876 | Mechanics' Institute

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Chess Room Newsletter #876

Gens Una Sumus!

Newsletter #876

July 5, 2019

By Abel Talamantez

Table of Content

 

Round 6 of TNM produces big changes at the top, as FM Ezra Chambers defeats Alexander Ivanov to take clear lead with 2 rounds to go.

The Tuesday Night Marathon is coming down to the final rounds with a new leader emerging. Shaking off an early round defeat to Isaiah Kim, FM Ezra Chambers has now taken sole control of the leaderboard after his round 6 victory against Alexander Ivanov. Chambers used some fighting chess to break open Ivanov’s kingside to score the point. Chambers is now in control of the leaderboard in the Championship section with a score of 5/6. Kyron Griffith drew with Conrado Diaz to boost his score to 4.5/6. Also at 4.5 are Ivanov and FM Andy Lee, who used a nice sacrifice to defeat WFM Mugi Tsegmed. Many top players are at 4/5 and also still in the hunt.


Many players followed the action inside the room on the 10-board board broadcast from the T.V. inside

In the A/B section, Mansoor Mohammed is the new leader at 5/6 after a marathon victory over Ella Papanek. Ella missed some chances to put the game away early and let the advantage slip away. The game went to a late middlegame where Ella had 1 second on her clock and playing the delay when Mansoor blundered the advantage he had and Ella was now winning. Unfortunately, she blundered her rook in the time pressure on move 54 and the game was lost a few moves later. It was a dramatic conclusion to a hard fought match. The section is still tight as 4 players are just a half point behind the leader at 4.5


The board 9 game between Papanek and Mohammed (left) had its fair share of fireworks.
 

In the under 1600 section, Michael Baer and John Chan played to a draw on board 9. After a win by Victor Reyes over Jerry Simpkins, there is now a 4-way tie at the top with 5/6. The next two rounds will prove decisive in establishing a leader. 

For the current TNM standings please follow this link: www.milibrary.org/tuesday-night-marathon

To watch the broadcast of round 6, please follow this link: www.youtube.com/watch?v=WEpHbSbtYHs
 


Tournament Director's Corner

During round 6 of the TNM, I was called over by a player to his game and had paused the clock. He had 4 seconds left (was a sudden death time control) and asked me to count moves. As he was under 5 minutes, he was no longer required to notate. He asked I count moves in order to claim the 50-move rule regarding a drawn game, and the position was king, rook, and pawn (6th rank) versus King and queen. 

First, let’s state the rule regarding the 50-move claim from the USCF Rule Book 7th Edition:

14F1. Explanation. The game is drawn when the player on move claims a draw and demonstrates that the last 50 consecutive moves have been made by each side without any capture or pawn move. If the director wishes to allow more than 50 moves for certain positions, details must be posted at the tournament before the first round.

In the position, it was reasonable in my opinion that the match could have gone on for several moves without a capture or pawn move because of the checking ability of the queen and the few pieces on the board. The interesting and informative part is that players may stop a clock to get an arbiter if they feel they have a draw claim or if they wish to have an arbiter count moves. I don’t believe many players know this or instinctively feel they can do this. Please note also, the 50-move draw claim states it is 50 moves without a capture or pawn move. 

It continues:

14F4. Director may count moves in sudden death. In sudden death, a player with fewer than five minutes remaining and a simplified position in which no pawn moves or captures seem likely may stop both clocks, declare to a director an intention to invoke the 50-move rule when possible, and ask for assistance in counting moves. A director who agrees this is appropriate may count moves or use a deputy or a clock with a move counter to do so. a. If the director or the deputy will count moves, the count should begin by crediting moves already made and listed on the scoresheet of the player intending to claim. An opponent who believes a different number of moves have been made should present this case if and when the count reaches 50. 

b. The director or deputy may either keep score, make check marks, or combine the two. 

c. After the count by the director or deputy begins, neither player has a right to know the count until 50 moves are reached. At that point the game is declared drawn unless the opponent successfully challenges the move count. 

d. The opponent may challenge either the moves on the claimant’s scoresheet before the director/deputy count, the count itself, or both, but must have a scoresheet adequate (13C7) to support the challenge. 

e. If the challenge is upheld, the game shall continue with the director or deputy resuming from the corrected count. If the claimant’s scoresheet is responsible for the wrong count, two minutes shall be added to the remaining unused time of the claimant’s opponent. If the director/deputy count was wrong, there shall be no time adjustment.

 f. The director may insert a clock with a move counter that shows the remaining time of both players, set the move counter to zero, and order play to resume. When the clock indicates that both sides have completed 50 further moves, either player may claim a draw. If this method is used, the director should inform the players that if a move is erroneously not counted or double counted, the players should stop the clock and notify the director.

What I did was made marks on a scoresheet and started from 0, since the claimant did not have a record of moves at the point of contacting me, as he was already not required to notate. The game was drawn about 15 moves later.

This was an instructive example for the clarification of the 50-move rule and the rights of players and arbiter’s responsibility in these scenarios.

A copy of the USCF Rule Book can be found online here: http://www.uschess.org/docs/gov/chessrules/US_Chess_Rule_Book_Chapters_1_2_11_v7.0.pdf


 



You never know what you might find on any given day at the Mechanics’ Institute Chess Club. A few hours before the Tuesday Night Marathon on July 2nd, starting from left going clockwise; Tony Lama, GM Nick de Firmian, IM Elliott Winslow, IM John Donaldson, Guido, and FM Paul Whitehead. Photo by Abel Talamantez.

More Visitors to the MI Chess Club!

We were paid a visit from K. Nagendra Gopal from India, who is a Candidate Master from India. He was in the U.S., as his daughter will be attending college here. It is always exciting for us to have visitors come from great distances to live part of the history here!!




Cartoon by Judee Shipman


Bagby Memorial is on July 27 @ MI Chess Room
Register NOW!


Tournament date: July 27th, Saturday
Format: 5 rounds of G/40;d5 (Game in 40 minutes with 5 second delay each move.) USCF rated!
One open section for everyone!

Onsite registration:  9:30-9:45AM
Round times: 10AM, 11:30AM, 1PM, 2:30PM, 4PM

Prizes: $720 based on 40 paid entries.

1st Place: $240
2nd Place: $120
Prizes to the top player under category rating per uscf rating:
under2200: $85
under2000: $80
under1800: $70
under1600: $65
under1400: $60


Entry Fee: $30 for members, $35 for non-members

More information: https://www.milibrary.org/chess-tournaments/19th-charles-bagby-memorial-g40

Register online: https://mechanics-institute.jumbula.com/Tournaments2019/19thCharlesBagbyMemorialChampionship


Did you know?
Guide to our website!

Do you visit our website, www.chessclub.org often?
If yes, hopefully you noticed small changes that we are implementing on our homepage. If not, then all the better reason to read this and start taking full advantage that our website has to offer.

Here are some of the main options:
1.    Upcoming events: our upcoming events are listed on the home page www.chessclub.org. on the Right top right under Register Events, the upcoming tournaments are categorized under Club (weekend) events, Monday Night Rapids, Scholastic tournaments and Tuesday Night marathons. Each line has two links: click on the event names, it’ll take you to the information page of the tournaments. Next to the event names, there is a Register Here link, that will take you to the online registration via jumbula.
Why register online? To help us to make a better experience for you!
What do you get if you register online?
•    you can pay by credit card
•    no need to bring cash or check onsite
•    you get pre-tournament Welcome email, which has all the important information and links that you need prior to the tournament
•    you get notifications about any changes during the event, reminders on round times if multi-day tournament
•    we send out follow up emails with links to results, rating, photos, stream recording.

2.    Class schedules: As you probably read via our weekly email blast, we have several free classes happening at the club. We are listing these in a table under Chess --> Classes & Tournaments (https://www.milibrary.org/chess-calendar). These classes are free and no registration required.

3.    Live links: for many major tournaments, we offer live broadcast of the top games via the 10 DGT boards. The links to the broadcasts are posted on the homepage.

4.    Newsletters: our weekly newsletter has a long and rich history of published records and it is popular and growing in reading audience. The collection of past issues as well as the latest issue can be found under Chess → Newsletters (https://www.milibrary.org/chess-newsletters).

5.    Results: after the tournament we usually archive the event and the page along with it. If you would like to look up the prize winners, detailed results or links to the USCF and FIDE (if applicable), please visit the Chess --> Tournament Archive page (www.milibrary.org/chess-tournament-archive). You will need to click on the link, the event category and then the event itself before it is displayed below the table.

Any questions, feedback or suggestions regarding our website, don’t hesitate to email us at chessroom@milibrary.org!

 

Wednesday Night Blitz - We need your input!

Message from Jules Jelinek, the long time organizer of the Wednesday Night Blitz:

As you are probably aware by now, Mechanics Institute closes (both Chess Room and Library) at 8pm on weekdays. Other than the Tuesday Night Marathon and a few event exceptions once in a while, I have been told that the chess room will close at 8pm ....no exceptions. So obviously, I am contemplating how to re-architect / save the Wednesday Night Blitz to fit the new closing hours when it resumes on August 28th.
 
The easiest way is to forward your response by email back to me at j3ce@comcast.net and put an “x” in front of the choice(s) that work for you.
OR please visit the following online survey and cast your answers there:  https://forms.gle/mRxMKvSeFh3cmCw49
  
#1) What is the earliest time you can regularly come (i.e. every week almost every week) to Mechanics’ Institute on Wednesday Evenings?
a)      6:45 pm
b)      6:30 pm
c)       6:15 pm
d)      6:00 pm
e)      5:45 pm

#2) What is the earliest time you can come every once in a while (i.e. every few weeks, monthly, or a few times a year) to Mechanics’ Institute on Wednesday Evenings?
a)      6:45 pm
b)      6:30 pm
c)       6:15 pm
d)      6:00 pm
e)      5:45 pm

#3) What other round/game formats would you be willing to play ? (Select as many formats that apply to your preferences.)
a)      6 single game rounds of 3 minute 2 sec increment
b)      3 double game rounds of 3 minute 2 sec increment
c)       5 double game rounds of 3 minute no  increment
d)      6 double game rounds of 2 minute no increment
e)      5 double game rounds of 2 minute 1 sec increment
f)       6 double game rounds of 1 minute 2 sec increment


Tony's Teasers

Last week's problem:
  

1. Oc8!!   dxe3    2. Nxe3+  Ke5    3. Rf5#


This week's problem:
Mate in 3 by Otto Wurzburg 1936

    

 


 

Friendly Rivalries, Part 13

By FM Paul Whitehead

GM Yasser Seirawan hardly needs an introduction, but here’s a quick one: four-time US Champion, World Junior Champion in 1979, participant in the 1985 and 1988-90 Candidates Tournaments, editor, author and commentator.
“Yaz” as he is affectionately known, has his own Wikipedia page, of course: https://en.wikipedia.org/wiki/Yasser_Seirawan

Yasser was born 3 months before me, and developed his talent in the Pacific North West whilst I battled it out here in the Bay Area. For a while we kept pace: in the US Junior Invitational in Denver 1977 we drew our individual game and tied with McCambridge behind the two Jersey Boys, Regan and Fedorowicz. Then in 1978 we both tied for 1st place with Fedorowicz - again Yaz and I splitting the point. 
Unfortunately for me, the prizes were not evenly distributed: Yasser won a trip to the World Junior (which he won) and John a trip to the US Championships (which he would never win).
I won a trip to the US Open in Phoenix, where I made good friends, stayed up all night talking to another insomniac (GM Anatoly Lein), and tried to avoid being boiled alive while stepping out onto the streets, where the temperature was reading 115 degrees Fahrenheit.
Sour grapes? Never.
Then, in 1979 at Lone Pine, I was paired with Yasser and given a final chance to prove… what? 
Yasser had won the World Junior earlier that year and was a meteorite in the chess world, while I was finding out slowly that the life of a chess master trying to rise to the top was not for me: I couldn’t sleep in strange rooms, traveling knocked me out, and it seemed there was a wider world calling out to me, for good and for ill…
I had stopped putting in the work - I was checking out of chess, so to say.
Yasser had a lucky escape in that 3rd game - helped perhaps by my growing indifference and lack of discipline.
I have very warm memories of Yasser: handsome, generous, intelligent – it was a privilege to play him, and I would look forward to seeing him again, but…
I just don’t want to travel to have to do it.

 

(1) Seirawan,Yasser (2250) - Whitehead,Paul A [A25]
USA-ch Juniors Denver (4), 1977

A balanced game, with Black missing a difficult to see chance on the 20th move. There was still some fight left in the final position, but both players called it a day. 1.c4 g6 2.Nc3 Bg7 3.g3 d6 4.Bg2 e5 5.e3 Nc6 


 

6.Nge2 h5 7.d4 h4 8.d5 Nce7 9.e4 Bd7 10.Bg5 f6


 

11.Be3 Nh6 12.f3 Nf7 13.Nc1 f5 14.Nd3 b6 15.a3 a5


 

16.b4 f4 17.Bf2 hxg3 18.hxg3 Rxh1+ 19.Bxh1 fxg3 20.Bxg3 axb4


 

[Black misses 20...Nf5! 21.exf5 e4 22.Nxe4 gxf5 23.Nd2 Bxa1 24.Qxa1 axb4-/+] 21.axb4 Ng8 22.c5 bxc5 23.bxc5 Rxa1 24.Qxa1 Qg5 25.Bf2 Bh6


 

26.Qa8+ Ke7 27.Qa2 Nf6 28.c6 Qh5 29.Bg2 Bh3 30.Bxh3 Qxh3


 

31.Ke2 g5 32.Qa7 Ne8 1/2-1/2

 

(2) Seirawan,Yasser (2452) - Whitehead,Paul A (2357) [B07]
US-ch Juniors Memphis (3), 20.06.1978

White drifts at the beginning, and Black gets more than equality. However, the mass trades starting with 20...d5 lead only back to equality, and a fairly well played yet boring technical phase ensues until peace breaks out on move 70. 1.Nf3 g6 2.d4 Bg7 3.c3 d6 4.e4 Nf6 5.Bd3 Nc6 6.d5 Nb8 7.h3 c6 8.c4 0-0 9.Nc3 a6 10.0-0 b5 


 

11.cxb5 axb5 12.dxc6 b4 13.c7 Qxc7 14.Nb5 Qb7 15.Re1 Bd7 16.Nbd4 e5 17.Nb3 Bc6 18.Qe2 Nbd7 19.Bg5 Rfe8 20.Nfd2 d5


 

21.exd5 Bxd5 22.Ne4 Nxe4 23.Bxe4 Bxe4 24.Qxe4 Qxe4 25.Rxe4 Reb8 26.Be7 Bf8 27.Bxf8 Kxf8 28.Rd1 Rb7 29.Nc1 f6 30.Rc4 Ke7


 

31.Kf1 Nf8 32.Rd3 Ne6 33.Rb3 Rd8 34.g3 Rd4 35.Rxd4 Nxd4 36.Rd3 Rc7 37.Nb3 Ne6 38.Rd2 Ra7 39.Nc1 Nd4 40.b3 Kd6


41.Nd3 Rb7 42.Rd1 Kd5 43.Rc1 Nc6 44.Rc4 f5 45.Ne1 Nd4 46.Nd3 Nc6 47.Ke2 Ra7 48.Ke3 g5 49.Nxb4+ Nxb4 50.Rxb4 Rxa2


 

51.Rb5+ Kd6 52.f4 exf4+ 53.gxf4 gxf4+ 54.Kxf4 Rh2 55.Kg3 Rb2 56.h4 h6 57.b4 Ke6 58.Kf3 Kf6 59.Rb6+ Ke5 60.Rb5+ Kf6


 

61.Kf4 Rf2+ 62.Ke3 Rh2 63.Rb6+ Ke5 64.Rxh6 Rh3+ 65.Kf2 Rb3 66.Rb6 Rh3 67.Rb5+ Ke6 68.Rb6+ Ke5 69.Rh6 Rb3 70.Rb6 Rh3


 

1/2-1/2

 

(3) Whitehead,Paul A (2365) - Seirawan,Yasser (2485) [C16]
Lone Pine op Lone Pine (1), 1979

A tense game, marred by intense mutual time-trouble. White had no end of opportunities to knock Black out, and his failure to do so remains a painful memory.  1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 Qd7 5.Bd2 b6


 

Yasser was fond of this set up, popularized by Petrosian and other defensive geniuses. 6.Nf3 Ne7 7.a4 h6 8.h4 Nbc6 9.Bd3 Bb7 10.Ne2 Bxd2+


 

11.Qxd2 0-0-0 This is very risky, but White is already on top here. 12.b4 f6 13.a5 fxe5 14.dxe5 Rdf8 15.Ned4 Nxd4


 

16.Nxd4 c5 17.bxc5 [17.axb6! cxd4 18.bxa7 is given as close to winning by the Cyborg, but looked risky to me over the board.] 17...bxc5 18.Qc3 c4 19.Rb1 Nc6 20.a6 Ba8


 

21.Nxc6 Qxc6 22.Be2 [22.Bg6! keeping the bishop on the b1-h7 diagonal.] 22...Qc5 23.Qg3 d4 24.0-0 g5 25.Qg4? [25.Bg4 Bd5 26.Qh3 was better. White is losing the story-line.] 25...Bd5

26.hxg5 hxg5 27.Bf3 Rf4 28.Bxd5 Rxg4 29.Bxe6+ Kd8 30.Bxg4 Qxe5


 

Black is close to winning. 31.g3 Qd6?! [Bad. Black should play 31...Rh6 going after the a-pawn.] 32.Rb7 Qe5?! Black continues to drift, and now should lose. Finding counter-play with 32...d3 or 32...Qh6 was essential. 33.Rfb1! d3 34.cxd3 c3 35.Rb8+? [35.Rxa7! won. One possible line is 35...c2 36.Rd7+ Ke8 37.Rc1 Qb2 38.Re1+ Kf8 39.a7+-] 35...Ke7 


 

36.R1b7+? The final mistake. [36.R8b5 harrasing the Black King and Queen in the center would generate enough counterplay to keep the balance.] 36...Kd6 37.Rd7+ Kc6 38.Rb1 White has run out of steam. 38...c2 39.Rf1 Qc3 40.d4 c1Q

41.d5+ Kb6 A game with more than it's fair share of major disappointments! 0-1

 


Scholastic Corner - not only for Kids this time!

By Judit Sztaray

Intermediate Chess Camp
with GrandMaster Nick de Firmian & Fide Master Paul Whitehead

 

We are happy to announce that the incredible duo of GM Nick de Firmian and FM Paul Whitehead are teaming up to offer an intermediate training camp during the week of July 22-26. 
Camp will take place at our Mechanics’ Institute Chess Club (57 Post Street, 4th floor,) between 11AM and 4PM, and we encourage everyone, regardless of age to attend. 
Is this camp for you? It is for you if you are a regular tournament player and have a rating of at least 800 or above.;  If you enjoy analyzing games, solving puzzles, and can engage productively with the group, this camp is for you.
Camp is limited in size, so reserve your spot now via online registration.
Prorated, partial week options available. Campers must bring their own lunch.
More information can be found here: www.milibrary.org/content/intermediate-chess-camp
Register through Jumbula here: https://mechanics-institute.jumbula.com/2019Summer/IntermediateCamp
Any questions? Email chessroom@milibrary.org.
 
 

Nick de Firmian's Column: Learn from the World Champions

This week: Capablanca

Jose Raul Capablanca (19 November 1888 – 8 March 1942) is regarded as one of the greatest champions of all time. He had a natural talent that showed itself at an early age. Born in Havana, he beat Cuban chess champion Juan Corzo in a match shortly before he turned thirteen years old. He holds an incredible record in top flight chess of going undefeated for eight years (1916-1924)., and was considered by his contemporaries as the one true chess genius of the time.
He came to New York in 1905 to study at Columbia University and quickly joined the Manhattan Chess Club where he improved his skills. In 1909 he decisively beat US Champion Frank Marshall in a match, which earned him invitations to the world’s top tournaments. He finally achieved a match for the World Championship against Lasker in 1921 which he won easily, suffering no defeats. He lost the title to Alekhine in 1927, perhaps due to overconfidence (before the match he had never lost a game to Alekhine).  He was never able to arrange a return match as the required purse for a World Championship match was $10,000, which could not be raised after the 1929 world financial crisis.
Capablanca excelled in simple positions and endgames. He sought to play the true best move and would not pursue speculative lines of play. His deceptively simple play was very powerful and opponents often felt a sense of inevitability as Capa would press inexorable logic to convert a positional advantage. His superb endgames are still some of the most instructive material for students, and some of these can be seen in his classic book “Chess Fundamentals.”

(1) Capablanca ,Jose Raul - Marshall,Frank
New York, 1918

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 0-0 8.c3 d5

Marshall plays his great invention that is named after him. Black gains an edge in development for the gamit pawn. 9.exd5 Nxd5 10.Nxe5 Nxe5 11.Rxe5

11...Nf6?! 12.Re1 Bd6 13.h3 Ng4

Black needs to play very actively if he gamibits the pawn in this way. Marshall's move would confuse most opponents. 14.Qf3 Qh4 15.d4 Nxf2

16.Re2! Capa keeps a cool head in the face of this onslaught. In later years theoraticians would find that 16. Bd2 is also good in this position. 16...Bg4 17.hxg4 Bh2+ 18.Kf1 Bg3 19.Rxf2

 

19...Qh1+ 20.Ke2 Bxf2

21.Bd2! The white king runs around, but heads for safety on the queenside. White has the material advantage of knight and bishop for rook and will win if he is able to develop and safeguard the king. 21...Bh4 22.Qh3 Rae8+ 23.Kd3 Qf1+ 24.Kc2 Bf2 25.Qf3! The pin holds black up. There is no way to increase the attack. On 25...Re2 26. a4 is easy for white. 25...Qg1 26.Bd5! c5 27.dxc5 Bxc5 28.b4 Bd6 29.a4

29...a5 30.axb5 axb4 31.Ra6! bxc3 32.Nxc3

Now White is fully developed and is taking over the initiative. The passed b-pawn is also a big factor. 32...Bb4 33.b6 Bxc3 34.Bxc3 h6 35.b7 Re3

Desperately trying to act, but this allows a shot. 36.Bxf7+!

White will checkmate in a few moves. All the white pieces are in on the attack. 1-0

 

(2) Nimzovich,Aron - Capablanca,Jose Raul
New York, 1927

This is a classic Capablanca game true to his style. The patient, principled moves which slowly increase his advantage are extremely instructive. 1.e4 c6 2.d4 d5 3.e5 Bf5 4.Bd3 Bxd3 5.Qxd3 e6 

Capa has developed and exchanged his "bad" bishop and so puts his pawns on the opposite color of his remaining bishop. The opening holds about even chances. 6.Nc3 Qb6 7.Nge2 c5 8.dxc5 Bxc5 9.0-0 Ne7 10.Na4 Qc6 11.Nxc5 Qxc5 12.Be3 Qc7 13.f4 Nf5 14.c3 Nc6 15.Rad1 g6

Chances are still even. White's Bishop is on the dark squares (like his center pawns) and so worth the same as a knight. 16.g4? The computer isn't so harsh as to give this a question mark, but I hold that his is the cause of Nimzovich's defeat. 16. Bf2 would maintain equality. 16...Nxe3 17.Qxe3 h5!

Now Black siezes the advantage. White has the choice of playing 18. h3 hxg4 19. hxg4 which opens the h file, or advancing the g-pawn as he does in the game. 18.g5 0-0! Black has only a small advantage, but the problem for White is that all the play is on the queenside now. The kingside is blocked as there is no attack against the black king. 19.Nd4 Qb6 20.Rf2 Rfc8 21.a3 Rc7 22.Rd3 Na5 23.Re2 Re8

Capa is in no rush. He brings the pieces into play and exchanges only when it is to his advantage. 24.Kg2 Nc6 25.Red2 Rec8 26.Re2 Ne7 27.Red2 Rc4 28.Qh3 Kg7 29.Rf2 a5! Each small move helps the black position. The pawns get better placement before any breakthrough. 30.Re2 Nf5 31.Nxf5+ gxf5 32.Qf3 On 32. Qxh5? Rh8 33. Qf3 Rh4 is strong. 32...Kg6 33.Red2 Re4! 34.Rd4 Rc4 Diagram 

Slowly Black in making inroads. The advantage is increasing. 35.Qf2 Qb5 36.Kg3?! Rcxd4 37.cxd4 Qc4 38.Kg2 b5 39.Kg1 b4

Nimzovich is still guarding everything, but now the advanced black pawn adds to the troubles. 40.axb4 axb4 41.Kg2 Qc1 42.Kg3 Qh1! 43.Rd3 Re1 44.Rf3 Rd1 45.b3 Rc1

Zugszwang. On 46. Kh3 Rc2! or 46. Qe2 Qg1+ picks up the d-pawn. 46.Re3 Rf1

White resigns. on 47. Qe2 Qg1+ is the end. 0-1

 

(3) Capablanca,Jose Raul - Jaffe,Charles
New York, 1910

Capa was renown for his positional play and endgames, but he was also capable of ferocious attacks. 1.d4 d5 2.Nf3 Nf6 3.e3 c6 4.c4 e6 5.Nc3 Nbd7 6.Bd3 Bd6 7.0-0 0-0

The opening is a typical Slav Defense. 8.e4 dxe4 9.Nxe4 Nxe4 10.Bxe4 Nf6?! 10...c5 is more active. 11.Bc2 h6 12.b3 b6 13.Bb2 Bb7?! Again Black should play immediately for the center with ...c5. 14.Qd3 g6 15.Rae1

White is fully developed and aims for the king. Black should try 15...Re8, but is in trouble in any case. 15...Nh5?! 16.Bc1 Kg7

17.Rxe6! Nf6 18.Ne5 c5

Finally Jaffe breaks in the center, but it is too late. 19.Bxh6+! Kxh6 20.Nxf7+

Jaffe resigned as mate is coming. 1-0


 


2019 Summer TNM Games Round 6

Annotations by GM Nick de Firmian and IM Elliott Winslow

​​
 

(1) Chambers,Ezra (2308) - Ivanov,Aleksandr (2187) [A84]
MI Summer TNM: 2000+ San Francisco (6.1), 02.07.2019
[de Firmian,Nick]

1.d4 d5 2.c4 e6 3.Nc3 c6 4.e3 Bd6 5.Bd3 f5 6.Nge2!? Because of the move order White has this option 6...Nf6 7.f3 Controlling e4 7...0-0 8.0-0 dxc4?! In the Stonewall Black needs to hold on to the center.. 9.Bxc4 Kh8 10.Qc2 b5 11.Bd3 a5 12.Bd2 Nbd7 13.e4?! 

Probably needs preparation, some rook move or even Kh1 13...fxe4? [13...e5! would make the game very double-edged.] 14.Nxe4! Nxe4 15.fxe4 Qb6 16.e5! Bxe5 17.Bxh7 

Unlike Black, White's attack is fully develeped. Note the bishop at c8. 17...Nf6 18.Kh1 Bd6 19.Bg6 e5 20.dxe5 Bxe5 21.Qe4 

and he's winning. 21...Qc7 22.Bc3 Bxc3 23.Nxc3 Bb7 24.Qh4+ Kg8 25.Ne4 c5 26.Ng5 Bd5 27.Bh7+ Kh8 28.Be4+ Kg8 29.Bxd5+ 1-0

 

(2) Griffith,Kyron (2455) - Diaz,Conrado (2345) [B12]
MI Summer TNM: 2000+ San Francisco (6.2), 02.07.2019
[de Firmian,Nick]

1.e4 c6 2.d4 d5 3.e5 Bf5 4.Nf3 e6 5.Be2 h6 6.0-0 Nd7 7.Nbd2 Ne7 8.Nb3 Bh7 9.a4 Nf5 10.a5 Be7 11.c4 0-0 12.c5 b6 13.g4 Nh4 14.Nxh4 Bxh4 15.Be3 bxc5 16.Nxc5 Nxc5 17.dxc5 Rb8 18.Bd4 

The players were not in a fighting mood. 1/2-1/2

 

(3) Lee,Andy (2344) - Tsegmed,Mugi (2125) [C02]
MI Summer TNM: 2000+ San Francisco (6.3), 02.07.2019
[de Firmian,Nick]

1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 Qb6 6.Bd3 cxd4 7.cxd4 Bd7 8.0-0 Nxd4 9.Nbd2 The modern way of playing the Milner-Barry Gambit. White gets compensation for the pawn. 9...Nc6 10.Nb3 Nge7 11.Be3 Qc7 12.Rc1 Ng6 13.Nc5 Rc8 14.b4 

14...Nxb4? [14...Bxc5 would give Black reasonable chances.] 15.Nxe6 [15.Bxg6 hxg6 16.Nxe6] 15...Qa5 16.Rxc8+ Bxc8 17.Nxf8 Nxf8 18.Bd2 

White's compensation for a mere pawn is overwhelming. 18...Qb6 19.Qa4+ Nc6 20.Rb1 Qc7 21.Nd4 Ne6 22.Nb5 Qxe5 23.Re1 Qh5 24.Qa3 a6 25.Nd6+ Kd8 26.Nxb7+ Bxb7 27.Qd6+ Ke8 

28.Bxa6! Fireworks! 28...Bxa6 29.Qxc6+ Ke7 30.Bb4+ Kf6 31.Bc3+ Kg5 32.Re5+ f5 

33.Rxf5+ More fireworks! 33...Kxf5 34.Qxd5+ 1-0

 

(4) Winslow,Elliott (2294) - Shaw,Tenzing (2287) [D36]
MI Summer TNM: 2000+ San Francisco (6.4), 02.07.2019
[Winslow,Elliott]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5 5.Bg5 c6 6.e3 Be7 7.Bd3 Nbd7 8.Qc2 Nh5 9.Be2 (an on the spot innovation, just to do something unusual) 9...Bxg5 10.Bxh5 g6 11.Be2 Bf6 12.Nf3 Bg7 13.Bd3 Nf6 14.0-0 0-0 15.b4 Qd6 16.Rab1 Be6 17.Rfc1 Nd7 18.Na4 Rfc8 19.Nc5 b6 20.Nxe6 Qxe6 21.e4 Nf6 22.Ba6 Rc7 23.exd5 Nxd5 24.Bc4 Rd8 25.Re1 Qd6 26.Qb3 Bf6 27.g3 Kg7 28.Kg2 h5 29.a3 h4 30.Re4 Re7 31.Rbe1 Rxe4 32.Rxe4 hxg3 33.fxg3 Rd7 34.Kf2 Re7 35.Bxd5 cxd5 36.Rxe7 Bxe7 37.Qc3 Bf6 38.b5 Qe6 39.Qc2 1/2-1/2

(5) Lin,Michael (2149) - Wong,Russell (2200) [A11]
MI Summer TNM: 2000+ San Francisco (6.5), 02.07.2019
[de Firmian,Nick]

1.Nf3 d5 2.c4 c6 3.e3 Nf6 4.Nc3 Nbd7 5.Qc2 e6 6.b3 Bd6 7.Bb2 0-0 8.Rg1 Interesting... 8...e5 9.cxd5 Nxd5 10.Ne4 Bc7 11.Neg5 N5f6 12.h4 Qe7 13.Bd3 g6 [13...h6!] 14.Rc1 h6! Black is fearless 15.Bxg6 hxg5 16.Nxg5 fxg6 17.Qxg6+ Qg7? [17...Kh8 avoids material loss and just wins] 18.Qxg7+ Kxg7 19.Ne6+ Kf7 20.Nxc7 Rb8 

Now White is actually doing okay. 21.g4 Ke7 22.Ba3+ c5 23.f3 [23.Rxc5!+-] 23...b6! 24.g5? Nh5 25.b4 Rxf3 26.Ke2?! e4 27.d4? cxd4 28.b5+ Kf7 29.g6+ Kg8 30.Nd5 Nc5 31.Bxc5 bxc5 32.Rxc5 Ng3+ 33.Ke1 Be6 34.exd4 Bxd5 35.Rxd5 Rbf8 36.h5 e3 37.Kd1 e2+ 38.Kc2 Rf1 39.g7 Rc8+ 0-1

 

(6) Yan,Rui Yang (2190) - Walder,Michael (2007) [B92]
MI Summer TNM: 2000+ San Francisco (6.6), 02.07.2019
[de Firmian,Nick]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be7 8.0-0 0-0 9.Bf3 Nbd7 10.a4 b6 11.Re1 Bb7 12.Nd2 Rc8 13.Nf1 Rxc3 14.bxc3 Qc7 15.Re3 Nc5 16.Ng3 g6 17.a5 b5 18.Ba3 Nfd7 19.Bg4 Bg5 20.Re1 Nf6 21.Bf3 h5 22.Bxc5 Qxc5 23.Qd3 Nd7 24.Red1 Be7 25.Nf1 Rc8 26.Ne3 Nf6 27.Rab1 Qxc3 28.Qxc3 Rc7 29.Qc4 Rxc4 30.Rb3 Rc7 31.c4 bxc4 32.Nxc4 Bxe4 33.Nxd6 Bc2 34.Rb8+ Kg7 35.Rd2 e4 36.Rc8 Bxd6 37.Rxc7 Bxc7 38.Rxc2 Bxa5 39.Be2 Ng8 40.Bxa6 f5 41.Rc5 Bb6 42.Rc6 Bd4 43.Rd6 Be5 44.Rd7+ Kf6 45.Bc4 Ne7 46.h4 f4 47.Kf1 e3 48.Ke2 exf2 49.Kxf2 Bb2 50.Kf3 Nf5 51.Kxf4 Bc1+ 52.Ke4 Nxh4 53.Rd6+ Kg7 54.Rc6 Bb2 55.Bf1 Nf5 56.Bd3 Bf6 57.Rc7+ Kh6 58.Kd5 Kg5 59.Ke6 Nd4+ 60.Kf7 Black lost on time in a worse but not necessarily lost position. 1-0

(7) Melville,Cailen (1935) - Kuczek,Kevin (1984) [A93]
MI Summer TNM: 2000+ San Francisco (6.7), 02.07.2019
[de Firmian,Nick]

(Extra game) 1.d4 f5 2.g3 Nf6 3.Bg2 e6 4.Nf3 Nc6 5.0-0 Be7 6.c4 d5 7.b3 0-0 8.Bb2 b6 9.Nbd2 Bb7 10.a3 Ne4 11.cxd5 exd5 12.Rc1 Bd6 13.Qc2 Qe7 14.e3 Bxa3 15.Bxa3 Qxa3 16.Nxe4 fxe4 17.Ng5 Qe7 18.Nxe4 dxe4 19.Bxe4 Na5 20.Bxh7+ Kh8 21.Bd3 Qf7 22.Bg6 Qf3 23.e4 Rf6 24.Bf5 Rxf5 25.d5 Rf7 26.Rb1 Ba6 27.Rfe1 Bd3 0-1

(8) Dixit,Arun (2000) - Viswanath Natraj,Ganesh (2128) [A47]
MI Summer TNM: 2000+ San Francisco (6.8), 02.07.2019

1.d4 Nf6 2.Nf3 e6 3.Bf4 b6 4.e3 Bb7 5.Bd3 Be7 6.Nbd2 c5 7.c3 0-0 8.0-0 cxd4 9.exd4 d6 10.Qe2 Nbd7 11.Ne4 Nxe4 12.Bxe4 Bxe4 13.Qxe4 Nf6 14.Qe2 Qd7 15.Bg5 h6 16.Bxf6 Bxf6 17.d5 e5 18.Nd2 g6 19.a4 Bg7 20.Qb5 Qe7 21.Rac1 f5 22.b4 e4 23.Rfe1 Rfc8 24.Rc2 Bd4 25.Nb3 Bxc3 26.Rec1 e3 27.Qe2 exf2+ 28.Qxf2 Qe5 29.Kh1 Rc4 30.Qg3 Qxg3 31.hxg3 Rac8 32.Nd2 Rxb4 33.Rxc3 Rxc3 34.Rxc3 Rxa4 35.Nc4 Ra1+ 36.Kh2 Rd1 37.Ne3 Re1 38.Nc4 Rd1 39.Ne3 Re1 40.Nc4 Rd1 41.Ne3 Re1 1/2-1/2

(9) Yanofsky,Kevin (1964) - Trattner,Andrew (2052) [A84]
MI Summer TNM: 2000+ San Francisco (6.11), 02.07.2019
[de Firmian,Nick]

1.d4 e6 2.c4 b6 3.Nc3 f5 4.Nf3 Bb4 5.g3 Bb7 6.Bg2 Nf6 7.0-0 0-0 8.Qc2 Bxc3 9.Qxc3 d6 10.b3 Nbd7 11.Bb2 Qe8 12.a4 a5 13.Nd2 Bxg2 14.Kxg2 Qh5 15.Rae1 Rae8 16.e3 Ne4 17.Qc2 Ndf6 18.f3 Nxd2 19.Qxd2 Qg5 20.c5 Nd5 21.cxd6 cxd6 22.Ba3 Rd8 23.Re2 Rfe8 24.Rfe1 e5 25.e4 Qxd2 26.Rxd2 fxe4 27.Rxe4 Nf6 28.Ree2 e4 29.fxe4 Nxe4 30.Rc2 d5 31.Rc6 Rb8 32.Rec2 Rb7 33.Bc1 Kf7 34.Rc7+ Re7 35.Rxe7+ Kxe7 36.Bf4 Kd7 37.Kf3 h5 38.h4 g6 39.Be5 b5 40.axb5 Rxb5 41.Rc7+ Ke6 42.Kf4 Rxb3 43.Rc6+ Kf7 44.Rc7+ Ke8 45.Bg7 Rxg3 46.Ke5 Nc3 47.Ke6 Re3+ 48.Be5 Kd8 49.Rd7+ [49.Rb7 forces 49...Rxe5+ 50.dxe5! (gigantically better than the other capture) 50...a4 51.Ra7 d4 52.Kf7] 1/2-1/2

(10) Maser,Thomas (1956) - Gaffagan,Steve (2035) [B33]
MI Summer TNM: 2000+ San Francisco (6.12), 02.07.2019

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.a4 Be7 8.Bg5 a6 9.Bxf6 gxf6 10.Na3 0-0 11.Bc4 f5 12.Qh5 Nd4 13.0-0 Bg5 14.Rad1 Be6 15.Nd5 fxe4 16.c3 Nf5 17.Nc7 Ng7 18.Nxe6 fxe6 19.Qe2 d5 20.Ba2 b5 21.c4 bxc4 22.Nxc4 Qf6 23.Nb6 Ra7 24.g3 Kh8 25.Qc2 Nf5 26.Qc5 Raf7 27.Rde1 Nd4 0-1

(11) Clemens,Kristian (1990) - Askin,Michael (1949) [D48]
MI Summer TNM: 2000+ San Francisco (6.13), 02.07.2019
[de Firmian,Nick]

1.Nf3 Nf6 2.c4 e6 3.d4 d5 4.Nc3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 a6 9.0-0 Bb7 10.Qe2 c5 11.Rd1 Bd6 12.Bd2 0-0 13.Rac1 h6 14.e4 cxd4 15.Nxd4 Ne5 16.Bb1 Nc4 17.Be1 Qb8 18.g3 Rd8 19.f3 Bc5 20.Bf2 Qa7 21.Nb3 Bxf2+ 22.Qxf2 Qxf2+ 23.Kxf2 Nxb2 24.Rxd8+ Rxd8 25.Nc5 Bc8 26.Ke2 Nd7 27.Nb3 Kf8 28.Na5 Nb6 29.f4 Bd7 30.Rc2 N2c4 31.Nxc4 Nxc4 32.Rc1 b4 33.Nd1 Bb5 34.Bd3 Na3 35.Bxb5 Nxb5 36.Rc4 Rb8 37.Kd3 a5 38.e5 Ke7 39.Rc5 Kd7 40.Kc4 Na3+ 41.Kb3 Rb5 42.Rxb5 Nxb5 Black eventually won, but at this point White has equality [42...Nxb5 43.Ne3 when Nc4 or Ka4 liquidates the queenside pawns (or 43.Nb2) 0-1

(12) Boldi,Ethan (2044) - Rudyak,Felix (1888) [B01]
MI Summer TNM: 2000+ San Francisco (6.14), 02.07.2019
[de Firmian,Nick]

1.e4 d5 2.exd5 Qxd5 3.Nc3 Qd6 4.d4 Nf6 5.Nf3 c6 6.Bd3 Bg4 7.Be3 Nbd7 8.0-0 0-0-0 9.Be2 h6 10.Nd2 Bxe2 11.Qxe2 Nb6 12.Rab1 Nfd5 13.Nxd5 Nxd5 14.c4 Nxe3 15.fxe3 f6 16.Ne4 Qc7 17.Nc5 Rd6 18.b4 b6 19.Qg4+ e6 20.Ne4 f5 21.Nxd6+ Bxd6 22.Qh3 g6 23.c5 Be7 24.Qf3 e5 25.Qe2 Re8 26.Qc4 Bg5 27.Rfe1 b5 28.Qb3 Already the scoresheet (only one turned in) becomes unreadable. 1-0

(13) Riese,Kayven (1900) - Krasnov,Steven (1870) [C11]
MI Summer TNM: 2000+ San Francisco (6.16), 02.07.2019

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.f4 c5 6.Nf3 a6 7.a3 Nc6 8.Be3 b5 9.g3 Bb7 10.Bh3 g6 11.Ne2 Rc8 12.c3 cxd4 13.Nexd4 Nc5 14.Ng5 h6 15.Ngf3 Qe7 16.0-0 Bg7 17.Nxc6 Bxc6 18.Nd4 Bb7 19.Qe1 0-0 20.Rd1 Rc7 21.g4 Bc8 22.Bf2 Ne4 23.Bh4 Qc5 24.Bg2 f5 25.Bxe4 dxe4 26.g5 hxg5 27.Bxg5 Kf7 28.Qg3 a5 29.Rf2 Bb7 30.Nb3 Qa7 31.Bd8 Rc8 32.Rd7+ Kg8 33.Bxa5 Rf7 34.Rd8+ Rxd8 35.Bxd8 Qa4 36.Nd4 Rd7 37.Bb6 Kf7 38.h4 e3 39.Rf1 Qa6 40.Bc5 e2 41.Re1 Bf8 42.Bxf8 Kxf8 43.Kf2 Qb6 44.Qe3 Rh7 45.Kg3 Bd5 46.Rxe2 Qd8 47.Rh2 Kf7 48.Nxb5 Kg8 49.Nd6 Qb8 1-0

(14) Lehman,Clarence (1900) - Jensen,Christian (1819) [B20]
MI Summer TNM: 2000+ San Francisco (6.17), 02.07.2019
[de Firmian,Nick]

1.e4 c5 2.b4 cxb4 3.a3 d5 4.exd5 Qxd5 5.Nf3 e5 6.axb4 Bxb4 7.c3 Be7 [7...Bd6 8.Na3 Nc6 9.Bc4 Qe4+=/+] 8.Na3 Nf6 9.Nb5 Bd8?? [9...Qd8 10.Nxe5 Nc6=] 10.Ba3+- Nc6 11.Nd6+ Kd7 12.Bc4 Qa5 13.0-0 Bc7 14.Nxf7 Re8 15.Bf8 Rxf8 16.Rxa5 Nxa5 17.Qa4+ Ke7 18.Qb4+ Ke8 19.N7xe5 Nxc4 20.Qxc4 Bb6 21.d4 Bf5 22.Re1 Rg8 23.Nd7+ Kxd7 24.Qb5+ Kc7 25.Qe5+ Kc6 26.Qxf5 Rad8 27.Re7 Rgf8 28.Qe6+ Kb5 29.Qb3+ Ka6 30.Qc4+ 1-0

(15) Smith,Robert (1800) - Ricard,Bruce (1875) [B01]
MI Summer TNM: 2000+ San Francisco (6.18), 02.07.2019

1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.d4 Nf6 5.h3 Bf5 6.Bd2 Qb6 7.Bb5+ c6 8.Ba4 Qxd4 9.Nf3 Qd8 10.Qe2 Nbd7 11.Be3 Nb6 12.Bb3 e6 13.a3 Be7 14.Nd4 Bg6 15.Rd1 Qc8 16.Bf4 0-0 17.Nxe6 Re8 18.Nc7 Qf5 19.Be3 Bc5 20.0-0 Qe5 21.Nxa8 Nxa8 22.Bxc5 Qxc5 23.Qd2 Nc7 24.Rfe1 Ne6 25.Qd6 Qg5 26.Bxe6 fxe6 27.Rxe6 Rf8 28.Qd2 Qh4 29.Re5 Nh5 30.Qe2 Nf4 31.Qe3 Bh5 32.Rd7 Nxh3+ 33.gxh3 Rf3 34.Rxh5 Qxh5 35.Qe6+ Kh8 36.Rd8+ Rf8 37.Rxf8# 1-0

(16) Busch,Jonah (1865) - Davila,Carlos (2090) [B28]
MI Summer TNM: 2000+ San Francisco (6.19), 02.07.2019
[de Firmian,Nick]

Extra Game 1.e4 a6 2.d4 b5 3.Nf3 Bb7 4.Bd3 e6 5.0-0 Nf6 6.Re1 c5 7.c3 Be7 8.Nbd2 0-0 9.e5 Nd5 10.dxc5 f5 11.exf6 Nxf6 12.b4 Nc6 13.a3 Nd5 14.Bb2 Nf4 15.Bb1 Qe8 16.Qc2 Qh5 17.Ne4 Nxg2 18.Ng3 Qh3 19.Qxh7+ Qxh7 20.Bxh7+ Kxh7 21.Kxg2 Rf7 22.Ne4 Rxf3 23.Kxf3 Ne5+ 24.Kg3 Nd3 25.Rab1 Rf8 26.f3 Bd8 27.Re3 Nf4 28.Rd1 Bc6 29.Bc1 Nh5+ 30.Kf2 g5 31.Ng3 Nf4 32.Ne4 g4 33.Kg3 Nd5 34.Ree1 Nxc3 35.Nxc3 (White is winning...) 1/2-1/2

(17) Papanek,Ella (1997) - Mohammed,Mansoor (1743) [D80]
MI Summer TNM: 1600-1999 San Francisco (6.9), 02.07.2019

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.e3 Bg7 5.cxd5 Nxd5 6.Bc4 Nb6 7.Bb3 c5 8.dxc5 Qxd1+ 9.Bxd1 N6d7 10.Nd5 Na6 11.Be2 Ndxc5 12.Bd2 Bxb2 13.Rb1 Be5 14.Nf3 Bd6 15.Bc3 f6 16.Nd4 0-0 17.Nb5 Kg7 18.Nxd6 exd6 19.Bd4 Bf5 20.Rb2 Bd3 21.Bf3 Rab8 22.g4 g5 23.h4 h6 24.Kd2 Bh7 25.hxg5 hxg5 26.Rh5 Bg6 27.Rh2 Ne4+ 28.Ke2 Nac5 29.Bg2 Bf7 30.Ne7 Bc4+ 31.Kf3 Rh8 32.Nf5+ Kf7 33.Nh6+ Kg6 34.Rb4 Rxh6 35.Rxh6+ Kxh6 36.a4 a5 37.Rb6 Nd2+ 38.Kg3 Nce4+ 39.Kh2 Kg6 40.Kg1 Rc8 41.f3 Nc5 42.Rxd6 Ne6 43.Bc3 Nb1 44.Bxa5 Rc6 45.Rd7 Ra6 46.Be1 Nc5 47.Rc7 Rc6 48.Re7 Nd3 49.Ba5 Ra6 50.Bd8 Rd6 51.Bc7 Rc6 52.f4 Ra6 53.Be4+ f5 54.Bxf5+ Kf6 55.fxg5+ Kxe7 56.g6 Kf6 57.Bd8+ Kg7 58.g5 Rxg6 59.Bxg6 Kxg6 60.Kg2 Ne5 61.Kg3 Nf7 62.Bb6 Nxg5 63.Kf4 Nc3 64.a5 Ne6+ 65.Ke5 Kf7 66.Kd6 Ba6 67.Kd7 Nd5 68.e4 Nxb6+ 69.axb6 Kf6 70.Kd6 Ng5 71.e5+ Kf7 72.Kd5 Ke7 73.Kd4 Ke6 74.Kc5 Nf7 75.Kb4 Nxe5 76.Ka5 Nc6+ 0-1

(18) Drury,Mark (1878) - Huberts,Alexander (1615) [A02]
MI Summer TNM: 1600-1999 San Francisco (6.20), 02.07.2019
[de Firmian,Nick]

1.f4 Nf6 2.Nf3 c5 3.e3 g6 4.Be2 Bg7 5.0-0 0-0 6.c4 Nc6 7.Nc3 d6 8.d3 Re8 9.e4 Nd7 10.Bd2 e5 11.Rb1 exf4 12.Bxf4 Nde5 13.Qd2 Be6 14.Nd5 Nxf3+ 15.Bxf3 Bxd5 16.cxd5 Nd4 17.b4 b6 18.Bd1 Qd7 19.Kh1 Be5 20.bxc5 bxc5 21.h3 f5 22.Be3 fxe4 23.dxe4 h5 24.g4 Rf8 25.Bxd4 Rxf1+ 26.Bg1 Bd4 27.Bc2 Qf7 28.Qg2 Rf8 29.gxh5 Alas, at this point the scores are uninterpretable. 0-1

(19) Makhanov,Gaziz (1830) - Hack,Richard (1615) [C21]
MI Summer TNM: 1600-1999 San Francisco (6.21), 02.07.2019
[de Firmian,Nick]

1.e4 e5 2.d4 exd4 3.c3 dxc3 4.Bc4 Nf6 5.Qb3 d5 6.exd5 Bd6 7.Nxc3 0-0 8.Bg5 Qe7+ 9.Nge2 h6 10.Bh4 Nbd7 11.0-0 Nc5 12.Qc2 Bg4 13.Rfe1 g5 14.Bg3 Rfe8 15.Nd4 Qf8 [15...Qxe1+] 16.Bxd6 Qxd6 17.Ndb5 [17.Ncb5!+- Qb6 (17...Qd7 18.d6; 17...Qf4 18.g3!+-) 18.Nxc7! Rxe1+ 19.Rxe1 Qxc7 20.d6 Qxd6 21.Qg6+ Kh8 22.Qxh6+ Kg8 23.Qxg5+ Kh8 24.Qh6+ Kg8 25.Nb5 Qb6 26.Qg6+ Kh8 27.Bxf7] 17...Qd7 [17...Qf4!] 18.d6 [18.f3!] 18...Bf5 19.Qd2 Nfe4? [19...Nce4! 20.Qd4 Nxd6! 21.Qxf6 Nxc4=] 20.Qd4!+- cxd6 21.Nxe4? [21.Nd5!] 21...Rxe4 22.Rxe4 Bxe4? [22...Nxe4 23.f3 a6!] 23.Nxd6+/- Ne6? [23...Rd8 24.Bxf7+ Kh7] 24.Qe5 [24.Bxe6! fxe6 25.Qxe4 Qxd6 26.Qg6+ Kf8 27.Qxh6++-] 24...Bg6+/- 25.Ne4?= Bxe4 [25...Qd4] 26.Qxe4 Re8 27.Bd3 Nf8 28.Qf3 g4 29.Qg3 h5 30.h4 [30.h3+/=] 30...Qd4 31.Rd1 Qc5 32.b3 Qe7? 33.Bc4 [33.f3!] 33...Ng6 34.Rd5 Qe1+ 35.Kh2 Re5 36.Rd6 Kg7 37.Rd7 Rf5 38.Rd5 Qxf2 39.Qxf2 Rxf2= 40.Rd7? [40.Rxh5 f5 (40...Rxa2; 40...Rd2) 40...Nxh4? [40...Ne5! 41.Rxb7 Rxa2-/+] 41.Kg3 Rxg2+ 42.Kxh4 Rh2+ 43.Kg5 Rf2 44.Kxh5 [44.a4!] 44...g3 45.Rd3 g2?! [45...Rxa2] 46.Rg3+ Kf6 47.Kh4? [47.a4!] 47...a6? [47...Rxa2!] 48.a4 (and a scramble... White won) 1-0

(20) Cortinas,Marty (1663) - Robeal,Rafik (1737) [B11]
MI Summer TNM: 1600-1999 San Francisco (6.22), 02.07.2019

1.e4 c6 2.Nc3 d5 3.Nf3 d4 4.Ne2 c5 5.d3 Nc6 6.Bf4 g6 7.c3 Bg7 8.cxd4 cxd4 9.g3 e5 10.Bg5 Qb6 11.Qb1 Be6 12.Bg2 Nf6 13.0-0 0-0 14.Nd2 Qa6 15.a3 Nd7 16.b4 b5 17.Nb3 Rfc8 18.Qb2 Qb6 19.Rfb1 Rc7 20.Rc1 Bf8 21.Rc2 Rac8 22.Rac1 Kg7 23.Bd2 Bg4 24.f3 Be6 25.h4 h5 26.Kh2 f5 27.Bh3 Bd6 28.Nc5 Bxc5 29.bxc5 Qa6 30.Re1 Qa4 31.Rcc1 Ne7 32.Bb4 Nxc5 33.Nxd4 Bf7 34.Bxc5 Rxc5 35.Rxc5 Rxc5 36.Ne2 Qc2 37.Qb4 Nc6 38.Qb1 Qd2 39.Kh1 fxe4 40.fxe4 Rc2 41.Bf1 Nd4 42.Rd1 Rb2 43.Rxd2 Rxb1 44.Kg2 Ra1 45.Nxd4 exd4 46.Rb2 Ra2 47.Rxa2 Bxa2 48.Kf2 a5 49.Ke1 Be6 50.Be2 Kf6 51.Kd2 Bf7 52.Kc1 g5 53.Kb2 gxh4 54.gxh4 Ke5 0-1

(21) Mercado,Adam (1708) - McKellar,Daniel (1844) [B34]
MI Summer TNM: 1600-1999 San Francisco (6.23), 02.07.2019
[de Firmian,Nick]

1.e4 c5 2.Nf3 g6 3.d4 cxd4 4.Nxd4 Bg7 5.Nc3 Nc6 6.Be3 Nf6 7.f3 0-0 8.Qd2 d5 9.0-0-0 dxe4 10.Nxc6 Qxd2+ 11.Rxd2 bxc6 12.fxe4 Re8 13.h3 Nd7 14.Be2 Ne5 15.Rhd1 Be6 16.Rd4 a5 17.Ra4 Reb8 18.b3 Nd7 19.Nb1 Nb6 20.Ra3 a4 21.Bf4 Rc8 22.e5 Nd5 23.Bg3 axb3 24.axb3 Rxa3 25.Nxa3 Nc3 26.Re1 Bh6+! 27.Kb2 Bd2 28.Ba6 Ra8 29.Bb7 Ra7 [29...Na4+!-+] 30.Bxc6 Bxe1 31.Bxe1 Nd1+ 32.Kc1 Ne3 33.Bf2=/+ Rxa3 34.Bxe3 Ra5 35.Bd4 Ra6 36.Bb7 Ra5 37.c4 f6?? 38.Kb2 Bxc4 39.bxc4 fxe5 40.Bb6 Ra4 41.c5 Rb4+ 42.Kc3 Rb1 43.c6 Rc1+ 44.Kd2 Rc4 45.c7 (computer sees mate) 45...Kf8 46.c8Q+ Rxc8 47.Bxc8 Kf7 48.Ke3 Kf6 49.Ke4 h6 50.Bc7 h5 51.Bxe5+ Kg5 52.g3 h4 53.g4 Kh6 54.Be6 g5 55.Bc3 Kg6 56.Bf5+ Kf7 57.Ke5 Kg7 58.Ke6+ Kh6 59.Kf7 e6 60.Bg7# 1-0

(22) Jones,Charlie (1739) - Newey,Richard (1630) [A45]
MI Summer TNM: 1600-1999 San Francisco (6.24), 02.07.2019
[de Firmian,Nick]

1.d4 Nf6 2.Bf4 e6 3.e3 Bd6 4.Bg3 Ne4 5.Bd3 Nxg3 6.hxg3 g6 7.Nd2 c5 8.Ne4 Be7 9.dxc5 Bxc5 10.Qf3 Be7 11.0-0-0 d5 12.Nd2 Nc6 13.e4 Nd4?! (Here comes trouble) 14.Qe3 Bc5 [14...Nc6+/=] 15.Qe1 Qa5?! [15...0-0 16.f4!?] 16.Kb1 Bf8 17.c3 Bg7 18.cxd4 Bxd4 19.Ngf3 Bg7 20.Nb3 Qb6 21.exd5 0-0 22.Rxh7?? [22.Ng5] 22...exd5?? [22...Kxh7 23.Ng5+ Kg8 24.Qh1 Rd8-+ Well that didn't work.] 23.Rxg7+ Good enough! [But 23.Rh4 was better, no risk.] 23...Kxg7 24.Qe5+ f6 25.Qf4 Be6 26.Rh1?! Rh8 27.Rxh8?! Rxh8 28.Qd4 Rh1+ 29.Kc2 Qc7+ 30.Qc5 Qd7 31.Nbd4 Qa4+ 32.Nb3 [32.Kd2] 32...Qxa2 33.Qe7+ Bf7 34.Nfd4 [34.Nbd4!] 34...Qb1+ 35.Kc3 Qe1+ 36.Qxe1 Rxe1 37.Nf3?! [37.Nc2 Rg1 38.Ne3+-] 37...Re7 38.Nbd4 Rc7+ 39.Kb4 a6 40.Ka5 f5 41.Kb6 Re7 42.Nb3 Be8 43.Na5 Bb5 44.Bxb5 axb5 45.Nd4 b4?! [45...Re4 46.Nab3 Kf6+/-] 46.Nxb7+- Re1 47.Kc5 [47.Nc5!] 47...b3 48.Kb4 Rf1 49.f4 Rf2 50.Kxb3 Rxg2 51.Nc5 Rxg3+ 52.Kb4 Kf7 53.Nce6 Ke7 54.Kc5 Re3 55.Kxd5 Kf6 56.b4 Rc3 57.b5 Rc8 58.Kd6 Rb8 59.Kc6 Ke7 60.b6 Rg8 61.Kc7 Re8 62.b7 Kf6 63.b8Q Re7+ 64.Kb6 g5 65.Qe5+ 1-0

(23) Cohee,Jim (1606) - Bradley,Christopher Nolan (1634) [B24]
MI Summer TNM: 1600-1999 San Francisco (6.25), 02.07.2019

1.e4 c5 2.Nc3 g6 3.g3 Nc6 4.Nge2 Bg7 5.Bg2 d6 6.h3 Nh6 7.0-0 0-0 8.d3 f6 9.Nd5 Nf7 10.c3 Be6 11.Be3 Qc8 12.Qa4 Bxh3 13.Qxc6 Qxc6 14.Nxe7+ Kh8 15.Nxc6 Bxg2 16.Kxg2 bxc6 17.Rh1 a5 18.Nf4 Kg8 19.Ne6 Rfb8 20.Nxg7 Kxg7 21.Rab1 Ne5 22.Rhd1 c4 23.dxc4 Nxc4 24.Bf4 g5 25.Bxd6 Rxb2 26.Rxb2 Nxb2 27.Rb1 Nc4 28.Bc5 Kg6 29.Rd1 Re8 30.Rd4 Nb2 31.Ba3 Rb8 32.Bxb2 Rxb2 33.Rc4 c5 34.Rxc5 Rxa2 35.e5 fxe5 36.Rxe5 Rc2 37.Rxa5 Rxc3 38.Rb5 Rc6 39.g4 1/2-1/2

(24) Rakonitz,David (1617) - Agdamag,Samuel Zamora (1526) [E97]
MI Summer TNM: 1600-1999 San Francisco (6.26), 02.07.2019
[de Firmian,Nick]

1.d4 Nf6 2.Nf3 d6 3.c4 g6 4.Nc3 Bg7 5.e4 0-0 6.Be2 e5 7.0-0 Nc6 8.d5 Ne7 9.Bg5 [9.Ne1; 9.b4; 9.Nd2] 9...h6 10.Be3 Ne8 [10...Ng4] 11.Ne1 f5 12.f3 f4 13.Bf2 Nf6 14.Nd3 g5 15.c5 h5 16.cxd6 [16.a4; 16.Rc1] 16...cxd6 17.Rc1 Rf7 18.Nb5 Ne8 19.Nxa7 Bd7 20.Qb3 g4 21.Bb6 Qb8 22.Nb5 Ra6 23.Nc7 Rxb6 24.Qxb6 Nc8 25.Qa5 b6 26.Qc3 Nf6 27.Nb4 Ne7 28.Ne6 Nfxd5 29.exd5 Nxd5 30.Nxd5 Bxe6 31.Qc6 Rb7 32.Bc4 Kh8 33.Bb3 Bd7 34.Qc2 Qe8 35.Qe4 Bb5 36.Rfd1 gxf3 37.gxf3 Bf8 38.Rc7 Rxc7 39.Nxc7 Qd7 40.Nxb5 Qxb5 41.Qg6 Qc5+ 42.Kh1 d5 43.Bxd5 1-0

(25) Kaplan,Glenn (1568) - Nanugonda,Vishva (1593) [A25]
MI Summer TNM: 1600-1999 San Francisco (6.27), 02.07.2019

1.c4 e5 2.Nc3 d6 3.g3 Nc6 4.Bg2 Bd7 5.Nf3 f5 6.d3 Nf6 7.0-0 Be7 8.a3 0-0 9.Bg5 Qe8 10.Bxf6 Rxf6 11.Nd5 Rh6 12.Nxc7 Qh5 13.Nxa8 e4 14.dxe4 Be6 15.exf5 Ne5 16.h4 Qxf5 17.Nd4 Qg4 18.Nxe6 Rxe6 19.Bd5 1-0

(26) Tamondong,Cesar (1715) - Sablon,Hadrien [E00]
MI Summer TNM: 1600-1999 San Francisco (6.29), 02.07.2019
[de Firmian,Nick]

1.d4 Nf6 2.c4 e6 3.g3 Bb4+ 4.Bd2 Qe7 5.Bg2 d5 6.a3 Bxd2+ 7.Nxd2 c6 8.Ngf3 Nbd7 9.0-0 e5 10.dxe5 Nxe5 11.cxd5 Nxd5 12.e4 Nb6 13.Nxe5 Qxe5 14.Qc2 Be6 15.Nf3 Qf6 16.e5 Qf5 17.Qxf5 Bxf5 18.Nd4 Bd7 19.Rfe1 0-0 20.Rac1 Rac8 21.b4 Nd5 22.f4 a6 23.Nb3 Rfd8 24.Na5 Rb8 25.Nc4 Ne7 26.Nd6 Nf5 27.Ne4 Be6 28.Red1 Ne3 29.Rxd8+ Rxd8 30.Nd6 Nxg2 31.Kxg2 Bd5+ 32.Kf2 b6 33.Ke3 f6 34.Kd4 fxe5+ 35.fxe5 Bg2 36.Rc2 Bh1 37.Rf2 Bd5 38.g4 g5 39.Rf5 h6 40.Rf6 Kh7 41.a4 Bb3 42.a5 bxa5 43.bxa5 Rd7 44.Kc5 Bd5 45.e6 Re7 

46.Rf7+? [46.Rxh6+! Kxh6 47.Nf5+ Kh7 48.Nxe7 Bxe6 49.h3+-] 46...Rxf7 47.exf7 Kg7 48.Nf5+ Kxf7 49.Nxh6+ Ke6 50.Nf5 Ke5 51.Ne7 Kf4 everything is a draw 52.Nc8 but this is pushing it! 52...Bg2 53.Kb6 Kxg4 54.Kxa6 c5 55.Nb6 Bc6 56.Nc4 Kh3 57.Ne5 Bd5 58.Kb5 Kxh2 59.Kxc5 Bb7 60.Kd4 Kh3 61.Ke3 g4 62.Kf2 [62.Nxg4] 62...g3+ 63.Kg1 g2 64.Nc4 Kg3 65.Nd6 Ba6 66.Ne4+ Kf3 67.Nc5 Bc8 68.Nd3 Kg3 69.Ne1 Bb7 1/2-1/2

 

(27) Boldi,Nicholas (1631) - Carron,Joel (1516) [B73]
MI Summer TNM: 1600-1999 San Francisco (6.30), 02.07.2019

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Nxc6 bxc6 7.Be3 d6 8.Be2 Nf6 9.0-0 0-0 10.f4 d5 11.e5 Nd7 12.Bf3 Nb6 13.Bf2 f6 14.exf6 Bxf6 15.Kh1 Nc4 16.Nxd5 Bxb2 17.Rb1 Be6 18.Nb4 Qxd1 19.Rbxd1 Rac8 20.Nxc6 Rc7 21.Nxa7 Rxf4 22.Rd8+ Rf8 23.Rxf8+ Kxf8 24.Bc6 Kg8 25.Rd1 Ne5 26.Be4 Rc4 27.Bd3 Nxd3 28.cxd3 Rc2 29.Kg1 Rxf2 30.Kxf2 Bd4+ 31.Kf3 Bxa7 32.Ke4 Bf5+ 33.Kd5 Kf7 34.a4 Bc8 35.Kc6 Ke8 36.Rf1 Bd4 37.a5 Ba6 38.Rf3 e5 39.Rh3 h5 40.Rf3 Ke7 41.Kc7 Ke6 42.Kc6 Ke7 43.h4 Ke6 44.g3 Bg1 45.Rf1 Bd4 46.Rf3 Bg1 47.Rf1 1/2-1/2

(28) Yamamoto,Craig (1500) - Casares,Nick (1603) [C36]
MI Summer TNM: 1600-1999 San Francisco (6.31), 02.07.2019
[de Firmian,Nick]

1.e4 e5 2.f4 exf4 3.Nf3 d5 4.exd5 Nf6 5.Nc3 Be7 6.d4 0-0 7.Be2 Nbd7 8.Bxf4 Nb6 9.Qd2 Nbxd5 10.Nxd5 Nxd5 11.Bg3 Re8 12.0-0-0 Bf5 13.c3 c6 14.h4 b5 15.Bd3 Bg4 16.Kb1 a5 17.Be2 b4 18.Ka1 bxc3 19.bxc3 f6 20.Bc4 Kh8 21.Rde1 Ba3 22.Rxe8+ Qxe8 23.Bd3 Qh5 24.Rf1 Re8 25.Re1 Rxe1+ 26.Nxe1 Qe8 27.Qc2 Qe3 28.Bf2 Qc1+ 29.Qxc1 Bxc1 30.Kb1 Bh6 31.Kc2 a4 32.Be4 Bd1+ 33.Kd3 Nf4+ 34.Kc4 Ne2 35.Bxc6 Bd2 36.Kd3 Bxc3 37.Nc2 Ba5 38.Bxa4 Nf4+ 39.Ke4 Nxg2 40.Kf5 Kg8 41.Ke6 Bc7 42.d5 Nf4+ 43.Kd7 Nxd5 44.Bb3 Kf7 45.Bxd5+ Kg6 46.Kxc7 Bxc2 47.Bb3 Bd3 48.Kd6 Black lost on time 1-0

(29) Khamkar,Susheel (1466) - Wang,Sophie (1574) [A22]
MI Summer TNM: 1600-1999 San Francisco (6.32), 02.07.2019
[de Firmian,Nick]

1.c4 e5 ("e4") 2.Nc3 Nf6 3.g3 d5 ("d4") 4.b3 c5 5.Bg2 d4 6.Nd5 Nc6 7.d3 h6 8.e3 dxe3 9.fxe3 Be6 10.Nxf6+ Qxf6 11.Bb2 Rd8 12.Nf3 Bf5 13.Qc2 Bxd3 14.Qc3 Nb4 15.Kf2 Nc2 Around here the score becomes impossible to decipher. drawn in 41. 1/2-1/2

(30) Baer,Michael (1397) - Chan,John (1530) [B12]
MI Summer TNM: U1600 San Francisco (6.10), 02.07.2019
[de Firmian,Nick]

1.e4 e6 2.d4 c6 3.Nd2 d5 4.e5 a6 5.a4 Nd7 6.Bd3 c5 7.c3 b6 8.Ne2 Be7 9.0-0 Nf8 10.Nf3 Ng6 11.Ng3 Bf8 12.Re1 Bd7 13.Qe2 c4 14.Bc2 b5 15.b3 Nh6 16.bxc4 bxc4 17.Bd2 Be7 18.Reb1 Nf5 19.Nxf5 exf5 20.Rb7 0-0 21.Rab1 Be6 22.R7b6 a5 23.Qd1 Re8 24.Qc1 Qc8 25.Bg5 Bf8 26.Nh4 Nxh4 27.Bxh4 h6 28.Bg3 Be7 29.Bf4 Qd8 30.f3 g5 31.Be3 Bb4 32.Rxe6 fxe6 33.cxb4 axb4 34.Rxb4 Qe7 35.Rb1 Rec8 36.Ra1 Rcb8 37.Bd2 Rc8 38.Bc3 Rcb8 39.a5 Qc7 40.Qa3 Kf7 41.Bb4 Qb7 42.Rb1 Qa6 43.Kf2 Rb7 44.Bc3 Rxb1 45.Bxb1 Ra7 46.Bc2 Qb7 47.Qc5 Ra8 48.Ke2 h5 49.Qb4 Qc8 50.Qc5 Qb7 51.Bb4 g4 52.Ba4 Rc8 53.Qb6 Qa8 

54.Qd6 [White has played great against the French, and here 54.Bd7 would be the end.] 54...Qa7 55.Qb6 Qa8 56.f4 c3 57.Bc5 Rb8 58.Qc7+ Kg8 59.Bc6 Rb2+ 60.Kd1 Qa6 61.Qd8+ Kh7 62.Qe7+ Kh8 63.Qf8+ Kh7 64.Qf7+ Kh8 65.Qxh5+ Kg7 66.Qg5+ Kh7 67.Qe7+ Kh8 68.Qf6+ Kh7 1/2-1/2

 

(31) Barreyro,Romeo - Rousso,Gregory [D03]
MI Summer TNM: U1600 San Francisco (6.33), 02.07.2019
[de Firmian,Nick]

1.d4 Nf6 2.Nf3 d5 3.Bg5 e6 4.e3 c5 5.c3 Nc6 6.Bb5 Bd7 7.Bxc6 Bxc6 8.Ne5 Be7 9.Nxc6 bxc6 10.Bxf6 Bxf6 11.dxc5 0-0 12.0-0 Qa5 13.b4 Qb5 14.a4 Qc4 15.Ra3 a5 16.Nd2 Qd3 17.Qc1 Qg6 18.b5 Be7 19.Nb3 cxb5 20.axb5 Qd3 21.Nd4 Bxc5 22.Rb3 a4 23.Rb1 Rfb8 24.Nf3 Rxb5 25.Rxb5 Qxb5 26.Qc2 a3 27.Rb1 Qa4 28.Nd4 Qxc2 29.Nxc2 h6 30.g4 Be7 31.Ra1 Ra4 32.h3 a2 33.Nb4 Bxb4 34.cxb4 Rxb4 35.Rxa2 Rb7 36.Kg2 Kh7 37.h4 Kg6 38.Kg3 e5 39.Ra6+ f6 40.Rd6 Rb5 41.f4 exf4+ 42.Kxf4 Rb4+ 43.Kf3 Rb5 44.Rd7 h5 45.gxh5+ Kxh5 46.Rxg7 Kxh4 47.Rg6 Rb3 48.Kf4 Rb4+ 49.Kf3 Rb6 50.Kf4 Rb4+ 51.Kf3 Rb6 52.Kf4 Kh5 53.Rg8 Rd6 drawn in a few 1/2-1/2

(32) Reyes,Victor Hugo (1282) - Simpkins,Jerry (1505) [A40]
MI Summer TNM: U1600 San Francisco (6.34), 02.07.2019

1.d4 e5 2.dxe5 Nc6 3.f4 Bc5 4.Nf3 Nge7 5.e3 Nf5 6.Qe2 Nb4 7.Na3 0-0 8.c3 Nc6 9.Nc2 Re8 10.Ncd4 Ncxd4 11.exd4 Bb6 12.Qe4 d6 13.Be2 d5 14.Qd3 c5 15.0-0 c4 16.Qc2 Bc7 17.a4 Ne7 18.Ng5 Bf5 19.Qd1 h6 20.Nf3 Be4 21.Nd2 Bh7 22.b3 Ba5 23.bxc4 Bxc3 24.Ra3 Bxd4+ 25.Kh1 Bc5 26.Rg3 Nf5 27.Qb3 Nxg3+ 28.Qxg3 d4 29.f5 Qg5 30.Qf3 Qe3 31.Qg4 Qxe5 32.f6 g6 33.Bd3 h5 34.Qf3 Qe3 35.Qd5 Bb4 36.Rf3 Qe6 37.Qg5 Bxd2 38.Bxd2 Rad8 39.Qh6 Qxf6 40.Rxf6 Re5 41.Rf1 Rde8 42.Qf4 R8e7 43.Qxd4 f5 44.Bh6 Kf7 45.c5 Kf6 46.Qd6+ R5e6 47.Qd8 Re5 48.Qh8+ Ke6 49.Bg5 Kd5 50.Qd8+ Kxc5 51.Bxe7+ 1-0

(33) Fernicola,Michael (1554) - Sachs-Weintraub,Julian (1416) [D02]
MI Summer TNM: U1600 San Francisco (6.35), 02.07.2019

1.d4 d5 2.c4 c6 3.Nc3 Bf5 4.Bf4 Nf6 5.e3 e6 6.Nf3 Bb4 7.Qb3 Qa5 8.a3 Na6 9.Rc1 Bxc3+ 10.bxc3 b6 11.Be2 0-0 12.0-0 c5 13.cxd5 exd5 14.c4 cxd4 15.Nxd4 Nc5 16.Qc3 Qxc3 17.Rxc3 Bc8 18.Bf3 Nce4 19.Rc2 dxc4 20.Rfc1 Ba6 21.a4 c3 22.Nb5 Bxb5 23.axb5 Rac8 24.Be5 Rc5 25.Bxf6 Nxf6 26.Bc6 Nd5 27.e4 Nf4 28.Re1 Rd8 29.g3 Ng6 30.Re3 Ne5 31.Rexc3 Rxc3 32.Rxc3 Nxc6 33.Rxc6 g6 34.Rc7 Rd4 35.Rxa7 Rb4 36.Kg2 Rxb5 37.Kf3 Kg7 38.Kg4 h5+ 39.Kf4 g5+ 40.Ke3 Kf6 41.Rd7 Rb3+ 42.Kd4 Rb2 43.Rd6+ Kg7 44.f4 b5 45.Rb6 gxf4 46.gxf4 Rb4+ 47.Ke5 Rb2 48.h3 b4 49.Kd4 b3 50.Kc4 Re2 51.e5 b2 52.Kc3 Re4 53.Rxb2 Rxf4 54.Rg2+ Kh6 55.Rg3 Re4 56.Rf3 Kg6 57.Rf6+ Kg7 58.Rf5 Re3+ 59.Kd4 Rxh3 60.Rg5+ Kf8 61.Rf5 Ke7 62.Rf6 h4 63.Rh6 Rh1 64.Ke4 h3 65.Kf3 h2 66.Kg2 Re1 67.Kxh2 Rxe5 68.Kg3 f6 69.Kf4 Ra5 70.Rh7+ Ke6 71.Rb7 Ra4+ 72.Kf3 f5 73.Rb5 Kf6 74.Rb6+ Kg5 75.Rb8 Ra3+ 76.Kf2 f4 77.Rg8+ Kf5 78.Rf8+ Ke4 79.Re8+ Kd5 80.Rf8 Ke4 81.Re8+ Kd3 82.Rf8 Ra2+ 83.Kf3 Ra1 84.Rxf4 Rf1+ 85.Kg4 Rg1+ 86.Kf5 1/2-1/2

(34) Ross,Max (1574) - Tobiason,Wolfgang (1380) [D04]
MI Summer TNM: U1600 San Francisco (6.36), 02.07.2019
[de Firmian,Nick]

1.d4 d5 2.e3 Nf6 3.Nf3 Bf5 4.Bd3 Bxd3 5.Qxd3 Nc6 6.0-0 e6 7.Nbd2 Bd6 8.c4 0-0 9.c5 Be7 10.a3 b6 11.b4 bxc5 12.dxc5 a6 13.Bb2 Nd7 14.e4 Bf6 15.Bxf6 Nxf6 16.exd5 Nxd5 17.Nc4 Qf6 18.Rfe1 Qc3 19.Qe4 Qf6 20.Nfe5 Nxe5 21.Nxe5 Qf4 22.Qc2 f6 23.Nd7 Rfe8 24.h3 c6 25.Re4 Qc7 26.Nb6 Nxb6 27.cxb6 Qxb6 28.Rae1 e5 29.Rh4 g6 30.Qc4+ Kg7 

White could triple on the c-file, when it would be hard for Black to do anything after defending. (Stockfish makes it 0.00) But instead White sets a trap: 31.Ree4?! A second rook lift 31...Qb5?? 

-- and Black misses it! [31...Re7!; 31...Ra7!; 31...Qb7; 31...Qc7 all defend the second rank, when White's rook just look silly!; 31...f5?! is an attempt to mobilize the extra pawn, but White can do what he did in the game (here we let the cat out of the bag): 32.Rxh7+!! Kxh7 33.Qf7+ Kh6 34.Rh4+ Kg5 and now only the patient 35.Rh7! wins. 35...Kf4 (35...Qb5 36.g3 (now the king must be contained) 36...Qe2 37.h4+ Kg4 38.Qxg6+ Kh3 39.Qxf5+ Qg4 40.Qd3 Qd4 41.Qf1+ Kg4 42.Kh2! and White's king participates in the hunt 42...Kf5 (42...Rf8 43.Qe2+ Kf5 44.Qf3+ Kg6 45.Qh5+ Kf6 46.Rh6+ Ke7 47.Qg5+ Kd7 48.Qg7+) 43.Qe2 It's a classic situation: Black is up a rook, which sits on a8, while his king is up front and exposed, inevitably fatally.) 36.Qb3! (36.Qxg6! Ke4 37.Qg3 is that awkward predicament!36...-- threatens the amusing 37.Qg3+ Ke4 38.Qf3+ Kd4 39.Qe3+ Kc4 40.Qxb6 -- which there seems no way to avoid.] 32.Rxh7+! Kxh7 33.Qf7+ Kh6 and now crispest is: 34.Qxf6! Qe2 35.Rxe2 1-0

 

(35) Hansen,Mateo (1566) - Chambers,Don (1291) [B02]
MI Summer TNM: U1600 San Francisco (6.37), 02.07.2019
[de Firmian,Nick]

1.e4 d5 2.exd5 Nf6 3.Nc3 [3.d4] 3...Nxd5 4.Nxd5 Qxd5 5.Nf3 Bg4 [5...e5 6.d4!? Nc6 7.Be3 (7.c4 Qe4+-/+) 7...exd4 8.Nxd4 Nxd4 9.Qxd4 Qxd4 10.Bxd4 is ever so slightly uncomfortable for Black, as that bishop annoys two pawns and their defenders.] 6.Be2 e5 [6...Nc6] 7.0-0 [7.c4!?] 7...h6? A dangerous waste of time 

8.h3?! [8.Nxe5! is a free pawn] 8...Bf5? [8...Be6 9.c4 Qd6 10.d4] 9.Nxe5? [9.c4! first, turns out to be a useful move. 9...Qe6 (or any other queen move) 10.Nxe5+-] 9...Qxe5 10.Re1 [The difference is seen after 10.Bf3 Qb5!] 10...Be7 [10...Kd8!?] 11.d4? [White can still play the double attack 11.Bf3 Qb5 12.c4 Qa6 13.d4 when Black's troubles persist, but he should be able at least to return the piece and find king safety.] 11...Qf6-+ 12.Bf4 Nc6 13.Ba6? bxa6 14.Bxc7 0-0 15.Be5 Qg6 16.Qf3 Bxc2 17.Re3 Rae8 18.Qd5 Bf5 19.Rg3 Bg5 20.h4 Be6?? [20...Rxe5! is the nicest clarification: 21.dxe5 Rd8 22.Qc4 (22.Qc5 Nd4 23.hxg5 Ne2+ 24.Kf1 Nxg3+ (24...Qh5!; 24...Nf4!) ) 22...Rd4] 21.Qxc6 White gets both pieces back (!) with equality 21...Rc8?! [21...f6 22.Bd6 (22.hxg5 fxe5 23.gxh6 Qxh6 24.d5= Qd2 25.dxe6 Qxf2+ 26.Kh2) 22.Qb7 [22.Qxa6+/=] 22...Rc1+?? Black loses it! [22...f6! 23.Bd6 (23.hxg5 fxe5 24.gxh6 Qxh6 25.d5 Bf7-+) 23...Rf7 24.Qxa6 Rc2-/+] 23.Rxc1 Bxc1? 24.Rxg6 fxg6 25.Qxg7# 1-0

 

(36) Reed,Nicholas Xavier (1320) - Starr,Albert (1545) [C42]
MI Summer TNM: U1600 San Francisco (6.38), 02.07.2019
[de Firmian,Nick]

1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.Bc4?! [5.d4; 5.Nc3; 5.Qe2; 5.d3; 5.c4] 5...d5 6.Bb3 Be6 [6...Be7; 6...Nc6] 7.0-0 Bc5?! 8.d4 Bb6 9.Nbd2 Ng5 10.Nxg5 Qxg5 11.Nf3 Qf6 12.Re1 0-0 13.c3 Nd7 14.Bc2 h6 15.Qd3 Rfe8 16.b3 Nf8 17.c4 c5 18.Be3 dxc4 19.bxc4 cxd4 20.Nxd4 Red8 21.Red1 Rac8 22.Bb3 Ng6 23.Qe4 Bxc4 24.Qxb7 Bxb3 25.Nxb3 Rc7 26.Qa6 Rcd7 27.Rxd7 Rxd7 28.Bxb6 Qxb6 29.Qxb6 axb6 30.Kf1 Kf8 31.Rb1 Ke8 32.Ke1 Kd8 33.Nd2 [33.Rd1] 33...Rd6 34.Nc4 Re6+ 35.Kd2 Nf4 36.g3 Nd5 37.Kd3 Kc7 38.Kd4 Nf6 39.Ne5 Rd6+ 40.Kc4 Ne4 41.Re1 f5 42.f3 Nf6 43.a4 Rd2 44.h3 Rd5 45.g4 fxg4 46.Nxg4 Rc5+ 47.Kb4?? Nd5+ 48.Kb3 Rc3+ 49.Kb2 Rxf3 50.Re5 Nb4 51.Rb5 Nd3+ 52.Kc2 Rxh3 53.Rb3 Ne1+ 54.Kb2 Rxb3+ 55.Kxb3 Kd6 56.Kb4 h5 57.Nh2 g5 58.Kb5 Kc7 59.Nf1 Nf3 60.Kc4 h4 61.Kd3 h3 62.Ng3?! [62.Ke3 is worth a try -- maybe he'll play 62...g4? (62...h2 63.Ng3 Nh4 64.Ke4 Kd6; 62...Nh4 63.Nh2 Nf5+ 64.Kf3 Nh6 65.Kg3 g4) 63.Kf4 h2 64.Ng3 wins all the kingside pawns -- although then White's king is way over on the h-file, leaving Black to try to queen on the queenside. But can he?] 62...Kc6 63.Ke3 g4 64.Kd3? [64.Kf4 Nh2 65.Ne4 Kd5 66.Nf2 Kd4 67.Nh1 and again, Black loses all his pawns on the kingside and may have blown the win. (67.Kg3 Ke3) 64...Kc5 65.Kc3 h2 66.Kb3 Nd4+ 67.Kc3? Ne2+ 68.Nxe2 h1Q 69.Kb3 Qb1+ 70.Kc3 Qb4+ 71.Kc2 Qxa4+ 72.Kd2 Qa2+ 73.Kd3 Qxe2+ 74.Kxe2 b5 75.Kf2 b4 0-1

(37) Cendejas,Jon (1068) - Cole,Tony (1400) [C01]
MI Summer TNM: U1600 San Francisco (6.39), 02.07.2019
[de Firmian,Nick]

1.e4 e6 2.d4 d5 3.exd5 exd5 4.Nf3 Nf6 5.Nc3 Bg4 6.Be2 Bb4 7.Bd2 Nc6 8.a3 Ba5 9.b4 Bb6 10.Be3 0-0 11.0-0 h6 12.Re1 Ne7 13.a4 c6 14.Ne5 Bxe2 15.Nxe2 Bc7 16.Nf3 Ng6 17.c3 Qd6 18.Qd2 Rae8 19.h3 Re6 20.Ng3 Rfe8 21.Re2 Ne4 22.Nf5 Nxd2 23.Nxd6 Nxf3+ 24.gxf3 Bxd6 25.Rae1 Nh4 26.Kf1 Nxf3 27.Rd1 Rg6 28.Rc2 f5 29.Ke2 Ng1+ 30.Kd3 Nxh3 31.Rcc1 f4 32.Rh1 fxe3 33.Rxh3 exf2 34.Rhh1 Bf4 35.Rcd1 Re3+ 36.Kc2 Re2+ 37.Kb3 Rge6 38.Rhf1 Bg3 0-1

(38) Olson,David (1400) - Cowgill,Jackie (1005) [A13]
MI Summer TNM: U1600 San Francisco (6.40), 02.07.2019
[de Firmian,Nick]

1.Nf3 Nf6 2.c4 e6 3.g3 c6 4.Bg2 Qc7 5.d4 d6 6.0-0 Be7 7.Nc3 0-0 8.Bf4 Nh5 9.Bd2 e5 10.d5 Nd7 11.e4 a6 12.Ng5 [12.Nxe5 Nxe5 13.Qxh5 Nxc4] 12...h6? 

13.Nxf7?! [13.Qxh5!+- "just" a pawn] 13...Rxf7? [13...Nhf6! 14.Nxh6+ gxh6 15.Bxh6+/= Rf7 is in no way convincing for White] 14.Qxh5 Nf6 15.Qg6 [15.Qe2] 15...Kf8?! [15...Bg4!? 16.f3 Bh5 17.Qf5 manages to slip away] 16.Bxh6!? Enterprising but just unnecessary -- oh, all right, bad. [Best of many is 16.Nd1 -- f5 begs to be knighted.] 16...gxh6 17.Qxh6+ Rg7 [17...Kg8!] 18.f4 Bg4? [18...Kg8 19.f5 (19.fxe5 Ng4) 19...Qb6+ 20.Kh1 Qxb2] 19.f5? [19.fxe5 dxe5 20.Qh8+! (20.Rxf6+ Bxf6 21.Qxf6+ Kg8 22.Rf1 Qb6+ 23.Rf2 is also winning, but there's still a lot of mopping up to do20...Rg8 21.Rxf6+ Bxf6 22.Qxf6+ Ke8 (22...Qf7 23.Qxe5 Re8 24.Qd4) 23.dxc6 bxc6 24.h3! Bd7 (24...Bh5 25.Qe6+ Kf8 26.Qh6+) 25.Rf1] 19...Qb6+ 20.Kh1 Qxb2?! [20...Kf7! untangles after 21.Rae1 Rh7 22.Qg6+ Kf8] 21.Qe3 c5?! [21...cxd5 22.cxd5 (22.exd5 Qb4) 22...Rc8; 21...Qb4 22.Rab1 Qxc4 23.Rxb7 Rh7] 22.Rab1 Qa3 23.Rxb7 Qa5 24.Rfb1 Re8?! [24...Qd8=; 24...Rh7=] 25.Ra7! Bh5 26.Rbb7 [26.Rb5! Qa3 (26...Qd8 27.Rxa6 four pawns is getting to be a bit too much27.Rb6 Black now must squirm to avoid just losing to Raxa6 27...Ng4 28.Qe1 Bg5 29.Raxa6 Nf2+ 30.Kg1 Nd3 31.Rxa3 Nxe1 32.Nb5 Nc2 33.Ra4 hard to say!] 26...Ng4 27.Qc1 Rh7? [27...Nf2+! 28.Kg1 Bg5 followed by a rook trade, then saving the knight. White's rooks have been halved.] 28.h3!+- Nf6 29.Kh2 Bg4 30.Qb2 [30.Qg5!? Qxc3? (30...Rh5 31.Qc1) 31.Rxe7 Rhxe7 (31...Qxg3+!? 32.Kxg3 Nh5+ 33.Qxh5 (33.Kxg4) ) 32.Qxf6+ Kg8 33.Rxe7 Rxe7 34.Qxe7 is mate in a handful!; I am unable to quite describe the computer's reasoning for preferring 30.a4!] 30...Bxh3? [30...Be2! 31.Qxe2 (31.Nxe2?! Ng4+ 32.Kh1! Qe1+ 33.Ng1 Nf2+ (33...Qxg3 34.Nf3 Rxh3+ 35.Kg1 Nh2 36.Nxh2 Qxh2+ 37.Kf1 is scary -- but not at all clear!34.Kh2=) ] 31.Bxh3+- Ng4+ 32.Kg2 Ne3+ 33.Kf3 Rxh3 34.f6! [34.Kxe3? Rxg3+ 35.Kf2 Qxc3 36.Qxc3 Rxc3 37.f6 Bxf6 38.Rf7+ Kg8 39.Rxf6=; 34.Rxe7! Rxe7 35.Qb8+ Kf7 36.Ra8! Rxg3+ 37.Ke2!! Rg2+ 38.Kd3!] 34...Rh7 [34...Nxc4 35.Qc1!] 35.fxe7+ Rhxe7 36.Rxe7 [36.Qh2!!] 36...Rxe7 37.Qb8+ Kf7 38.Ra8! Computer sees mate... 38...Kg6 [38...Qc7 lasts longer...] 39.Qxd6+ Kf7 40.Qh6! Nf5 41.Qh7+ [41.Rf8#!] 41...Ng7 42.Qg8+?! Now it gets hard to see. [42.Rg8! Qxc3+ 43.Kg4 three more moves] 42...Kg6 

43.d6? Not only not losing the knight with check, but also blocking check after Rxa6! [43.Kg4! The point is 43...Qxc3 unprotects a6 (43...Rf7 44.Kh3! (44.Qd8) ) 44.Rxa6+; 43.Kg2! same idea. Avoid the check.] 43...Qxc3+ 44.Kg4 Rf7 Actually all those queen moves are even better -- if that's possible. For example [44...Qe1 45.Kf3 (45.dxe7 Qxe4+ 46.Kh3 Qh1+ 47.Kg4 Qh5#; 45.Rf8 Qxe4+ 46.Rf4 exf4 47.dxe7 f3+ 48.Kh3 Qxe7) 45...Qd1+ 46.Kg2 Qe2+ 47.Kh3 Qf1+ 48.Kh2 Rb7] 45.d7 Qf3+ 46.Kh3 Qh1+ 47.Kg4 Qh5# 

0-1

 

(39) Radaelli,Lucas - Hilliard,Michael (1400) [D51]
MI Summer TNM: U1600 San Francisco (6.41), 02.07.2019
[de Firmian,Nick]

1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.Bg5 Nbd7 5.e3 e6 6.cxd5 cxd5 7.Bd3 a6 8.a4 Bd6 9.Nf3 0-0 10.0-0 Qc7 11.Rc1 Qb8 12.Qc2 Re8 13.h3 e5 14.dxe5 Bxe5 15.Nxe5 Qxe5 16.Bf4 Qe7 17.Rfd1 Ne5 

18.Nxd5! Nxd5 19.Bxh7+ Kf8 [19...Kh8 20.Rxd5 Be6 21.Rc5 (21.Rxe5 Rac8 22.Qxc8 Rxc8 23.Rxc8+ Kxh7+-) 20.Rxd5 Nc6 21.Bd6 1-0

 

(40) Fu,Eric (1339) - Geiersbach,Christopher [D32]
MI Summer TNM: U1600 San Francisco (6.43), 02.07.2019

1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.Nf3 c5 5.cxd5 exd5 6.e3 Nc6 7.dxc5 Bxc5 8.Be2 0-0 9.Na4 Qa5+ 10.Bd2 Bb4 11.0-0 Bxd2 12.Nxd2 d4 13.exd4 Nxd4 14.Nc3 Bf5 15.Nb3 Nxe2+ 16.Qxe2 Qc7 17.Qf3 g6 18.Rac1 Ng4 19.Qg3 Qxg3 20.fxg3 Rad8 21.Rfe1 Rfe8 22.h3 Ne5 23.Rcd1 Nd3 24.Rxe8+ Rxe8 25.Rd2 h5 26.Nd4 Re1+ 27.Kh2 Rf1 28.Nxf5 Nf2 29.Rxf2 Rxf2 30.Ne7+ Kg7 31.b3 Rc2 32.Ned5 a6 33.b4 f6 34.g4 Kf7 35.Kg3 hxg4 36.hxg4 Ke6 37.Kf3 Rd2 38.Ke3 Rxd5 39.Nxd5 Kxd5 40.Kd3 g5 41.g3 Ke5 42.Ke3 1/2-1/2

(41) Dunlap,Steven (1027) - Dubensky,Walt (1154) [D21]
MI Summer TNM: U1600 San Francisco (6.44), 02.07.2019
[de Firmian,Nick]

1.d4 d5 2.c4 Nc6 3.Nf3 dxc4 4.Bf4 g6? 5.e3 b5? 6.a4! Ba6? 7.b3 [7.Nc3!] 7...Bg7? [7...e5!] 8.axb5 Bxb5 9.bxc4 e5 Desperation in a very lost position 10.cxb5 exf4 11.bxc6 Ne7 12.Qc2 fxe3 13.fxe3 0-0 14.Bc4 Qd6 15.0-0 Nxc6 16.Ra6 [16.Nc3] 16...Rab8? 

17.Ne5? [17.Rxc6! probably would have been "too much" for Black] 17...Bxe5? [17...Nxd4! gives Black a fighting chance.] 18.Qf2?? Recapture! With a huge plus. 18...Bxh2+ Now Black is rolling. 19.Kh1 Kg7?? [19...Rb6-/+] 20.d5 [20.Nc3!+/-] 20...Bg3 21.Qf3 Rb6 22.Rxb6 axb6 23.dxc6 f5? [23...Be5] 24.Nc3 [24.Rd1!+-] 24...g5 25.Rd1 Qh6+ 26.Kg1 Qh2+ 27.Kf1 g4 28.Rd7+ Kh8 29.Qd1? [29.Qd5+-] 29...Qh1+ 30.Ke2 Qxg2+ 31.Kd3 Qxc6 32.Kc2?? [32.Bb5=] 32...Qxc4-+ 33.Rd8 Rxd8 34.Qxd8+ Kg7 35.Qg5+ Kf8 36.Qxf5+ Kg7 [36...Ke8!] 37.Qg5+ Kf7 38.Qf5+ Kg7 39.Qg5+ Kf7 40.Qf5+ Kg8 41.Qg5+ Kf8 42.Qd8+ Kf7 43.Qd7+ Kg6 44.Qe8+ Qf7 45.Qe4+ Kg5 46.Kc1 Qf1+ 47.Nd1 Bd6 48.Qd5+ Kh4 49.e4 Bf4+ 50.Kc2 Qe2+ 51.Kb3 g3 52.Qd8+ Bg5 53.Qxc7 Qd3+ [53...Qxd1+] 54.Nc3 g2 55.Qxh7+ Kg3 56.Qc7+ Bf4 57.Qg7+ Kf2 0-1

 

(42) Ahrens,Richard (1040) - Yu,Prescott (1212) [E43]
MI Summer TNM: U1600 San Francisco (6.45), 02.07.2019

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Bd2 0-0 5.Nf3 c5 6.e3 b6 7.Bd3 Bb7 8.0-0 cxd4 9.exd4 d5 10.cxd5 exd5 11.a3 Bd6 12.Re1 Qd7 13.Ne5 Qc8 14.Bg5 Ne4 15.Nxe4 dxe4 16.Bxe4 Bxe4 17.Rxe4 Qf5 18.Qg4 Qxg4 19.Nxg4 f5 20.Re6 Bxa3 21.Rxa3 fxg4 22.Rae3 Na6 23.Be7 Rfc8 24.Rc3 Kf7 25.Rxc8 Rxc8 26.Re1 Re8 27.f4 Rxe7 28.Rf1 Re4 29.g3 Rxd4 30.b3 Nc5 31.Rc1 Rd7 32.b4 Nd3 33.Rd1 Ke6 34.b5 Nc5 35.Re1+ Kf6 36.Kf1 Rd2 37.Re2 Rxe2 38.Kxe2 a5 39.bxa6 Nxa6 40.Kd3 Nc5+ 41.Kd4 Kf5 42.Ke3 b5 43.Kd4 Ne6+ 44.Ke3 g5 45.Kd3 gxf4 46.gxf4 Kxf4 47.Kc3 Kf3 0-1

(43) Otterbach,Renate (1212) - Robertson,Wade (1042) [C15]
MI Summer TNM: U1600 San Francisco (6.46), 02.07.2019

1.e4 e6 2.Nc3 d5 3.d4 Bb4 4.Bd2 dxe4 5.Nxe4 Qxd4 6.Bd3 Bxd2+ 7.Qxd2 Qxb2 8.Rd1 Nc6 9.Ne2 Nge7 10.N2c3 a6 11.0-0 0-0 12.Nf6+ gxf6 13.Qh6 Ng6 14.Ne4 Qe5 15.Ng3 Qg5 16.Qh5 Qxh5 17.Nxh5 f5 18.f4 Nb4 19.a3 Nd5 20.Rf3 b5 21.c4 bxc4 22.Bxc4 Nb6 23.Bb3 Bb7 24.Nf6+ Kg7 25.Nh5+ Kh8 26.Rh3 h6 27.Nf6 Nxf4 28.Rg3 Ne2+ 0-1

(44) White,Andrew Robbins (899) - Allen,Tom (1400) [A46]
MI Summer TNM: U1600 San Francisco (6.47), 02.07.2019
[de Firmian,Nick]

1.d4 Nf6 2.Bf4 d6 3.e3 Nbd7 4.Nf3 b6 5.Nbd2 Nh5 6.Bg5 h6 7.Bh4 g5 8.g4 gxh4 9.gxh5 e6 10.Bg2 Rg8 11.Rg1 Bb7 12.Qe2 Qe7 13.0-0-0 0-0-0 

14.Nxh4 (Not the most important pawn. Still...) 14...Bxg2 15.Rxg2 Rxg2 16.Nxg2 Qg5 17.Qa6+ Kb8 18.Nf4 Nf6 [18...d5] 19.Qe2 [19.Nb3; 19.a4!? e5? 20.Nd3 White's overriding intention is to get a knight to c6. For example: 20...exd4 21.Nb4 Qc5 22.Nb3!! Qxb4 23.Nxd4 Qc5 24.b4! Qc3 25.b5] 19...Qa5 20.a3 e5? 

21.dxe5 [21.Nb3! Qa4 22.dxe5 This pawn will matter!; 21.Nc4! Qb5 22.Nxe5] 21...dxe5? [21...Qxe5] 22.Nc4! Rxd1+ 23.Qxd1 Qc5 24.Qd8+ Kb7 25.Qxf6 [25.Nxe5! Qxe5 26.Qxf8 Qg5 27.b4 soon a passed pawn on the kingside.] 25...Qxc4 [25...exf4 26.Qxf4] 26.Qxe5 Qf1+ 27.Kd2 Qxf2+ 28.Ne2 Bd6 29.Qe4+ c6 30.Qh7 Qf6 [30...Qf3!? 31.Qxh6 Qd5+ 32.Nd4!? c5 33.c4!? Qe5 34.Nc2 Qxh2+ 35.Kd3 Be5] 31.h3 1/2-1/2

 

(45) Parekh,Raj - Thibault,William (1062) [B10]
MI Summer TNM: U1600 San Francisco (6.48), 02.07.2019

1.e4 c6 2.b4 d5 3.d3 dxe4 4.d4 e6 5.Be3 Bxb4+ 6.c3 Bd6 7.Qc2 Nf6 8.Nh3 Qc7 9.g3 0-0 10.Bf4 Nbd7 11.Bg2 c5 12.Bxd6 Qxd6 13.0-0 cxd4 14.Rd1 d3 15.Qd2 Nc5 16.c4 b6 17.Nc3 Ba6 18.Nb5 Bxb5 19.cxb5 Rac8 20.Rac1 Rfd8 21.Nf4 e5 22.Nxd3 exd3 23.Qb4 e4 24.Rc4 Nd5 25.Qa3 Qe5 26.Qxa7 Ra8 27.Rxe4 Qxe4 28.Bxe4 Rxa7 29.f3 Rxa2 30.h4 Ne3 31.Re1 d2 32.Rb1 d1Q+ 33.Rxd1 Rxd1# 0-1

(46) Abdi,Mehron (1136) - Serra,Owen (739) [C50]
MI Summer TNM: U1600 San Francisco (6.49), 02.07.2019

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.0-0 Nf6 5.d3 0-0 6.Nc3 h6 7.Nd5 d6 8.a3 Bg4 9.h3 Bh5 10.b4 Bd4 11.c3 Nxd5 12.cxd4 Nf4 13.dxe5 dxe5 14.Qb3 Bxf3 15.Bxf4 Bxg2 16.Kxg2 exf4 17.Bd5 Qg5+ 18.Kh2 Nd4 19.Qd1 f3 20.Rg1 Qf4+ 21.Kh1 Ne2 22.Rg4 Qf6 23.e5 Qf5 24.Be4 Qh5 25.Qf1 Qxe5 26.Bxf3 Nf4 27.Re1 Qf5 28.Re4 Ng6 29.Qg2 Rad8 30.d4 Rd6 31.h4 Rfd8 32.a4 b6 33.Bd1 Rc6 34.Re1 Rc4 35.d5 Rf4 36.Bf3 Kf8 37.Kg1 Nxh4 38.Qg3 Nxf3+ 39.Kf1 Nxe1 40.Rxg7 Ke7 41.Qe3+ Re4 42.Qxh6 Rxd5 43.Qh8 Nf3 44.Rg8 Rd1+ 45.Kg2 Rg4+ 46.Kh3 Rxg8# 0-1

(47) Wang,Robert (1101) - Bryan,Robert (421) [B12]
MI Summer TNM: U1600 San Francisco (6.50), 02.07.2019
[de Firmian,Nick]

1.e4 c6 2.d4 d5 3.e5 Bf5 4.Nf3 h6 5.Be2 a6 6.0-0 b6 7.Be3 c5 8.dxc5 bxc5 9.Bxc5 Qc8 10.Qxd5 Scoresheet definitely says: "10.Qd1xd5" 10...Nd7 Scoresheet says "10...Nb8-d6" -- my first try ...Nc6 wasn't it 11.Ba3 Ngf6 12.exf6 gxf6 13.Qxf5 e6 14.Qd3 Bg7 15.Rd1 Kd8 (now it's legal) 16.Nc3 Re8 17.Rd2 Re7 18.Bxe7+ Kxe7 19.Qd6+ Kd8 20.Rad1 Bf8 21.Qxd7+ 1-0

(48) Capdeville,Barry (1239) - Badgett,James (1119) [C77]
MI Summer TNM: U1600 San Francisco (6.52), 02.07.2019

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.Qe2 b5 6.Bb3 d5 7.d3 d4 8.c3 Bc5 9.c4 0-0 10.cxb5 axb5 11.a3 b4 12.a4 Re8 13.Ng5 Kf8 14.Nf3 Na5 15.Bd1 Bg4 16.b3 Qd6 17.Nbd2 Nh5 18.Nf1 Nf4 19.Bxf4 exf4 20.Qc2 h6 21.N1d2 Bb6 22.0-0 c5 23.e5 Qd5 24.Nc4 Bc7 25.Re1 Re6 26.Qd2 g5 27.Rc1 Nxb3 28.Qc2 Nxc1 29.Qxc1 b3 30.Nxg5 hxg5 31.Bxg4 Rh6 32.Bf3 Rxa4 33.Bxd5 g4 34.Nb2 Ra2 35.Qxc5+ Kg7 36.Qxc7 Kg6 37.Qxf7+ Kg5 38.Re2 Ra1+ 0-1

(49) Chui,Kevin - Sullivan,George (979) [C10]
MI Summer TNM: U1600 San Francisco (6.53), 02.07.2019

1.e4 Nc6 2.d4 e6 3.Nf3 d5 4.Nbd2 dxe4 5.Nxe4 h6 6.Bb5 Be7 7.c3 a6 8.Ba4 b5 9.Bb3 Nf6 10.Qd3 Bb7 11.0-0 0-0 12.Bc2 Nxe4 13.Qxe4 g6 14.Bxh6 Na5 15.Qd3 Re8 16.Ne5 f5 17.Qg3 Bf6 18.Qxg6+ 1-0

(50) Daniels,Leverette - Ballantyne,Andrew [C50]
MI Summer TNM: U1600 San Francisco (6.54), 02.07.2019
[de Firmian,Nick]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.Nc3 Nf6 5.d3 Nd4 6.Nxd4 Bxd4 7.Bg5 0-0 8.0-0 d6 9.Rb1 Bg4 10.Qd2 [10.Bxf6] 10...Qd7 11.h3?! 

[11.Bxf6! gxf6 12.Nd5 Kg7 13.c3 Bb6 14.Nxb6 axb6 15.f4] 11...Bxh3! 12.gxh3? [12.Bxf6! gxf6 (12...Qg4?? 13.Qg5!) 13.Nd5 Kg7 14.Nxf6! Kxf6 15.Qh6+ Ke7 16.gxh3] 12...Qxh3-+ 13.Bxf6 [13.Be3 Ng4! 14.Rfe1 Nh2!] 13...Qg3+ [13...gxf6! /\ ...Kh8 & ...Rg8+, mating] 14.Kh1 Qf3+? 15.Kg1 [15.Kh2!] 15...Qxf6? [15...Qg3+ 16.Kh1 Qh3+ 17.Kg1 gxf6] 16.Nd5 [16.Ne2!+/-] 16...Qg6+ 17.Kh1 [17.Kh2 Qh5+ 18.Kg3 Qg6+ 19.Kh4? Qg2!] 17...Qg4? 

[17...Qh5+ is still perpetual] 18.c3? [18.Nf6+! gxf6 19.Rg1+-] 18...Bc5? [The draw is still there! 18...Qh3+] 19.Qd1? [19.Nf6+!!; 19.f3! Qh3+ 20.Qh2; 19.f4; 19.Ne7+ Kh8 20.Nf5] 19...Qh3+ 20.Kg1 Rfe8 (Neither score says which rook) [but 20...Rae8!? would have a hidden threat) 21.Nxc7?? Re7 22.Nb5 Re6!! 23.Bxe6 fxe6 intending ...Rf6!] 21.Nxc7 White is running out of time to force Black to take a perpetual. [21.Ne3 is one way 21...Bxe3 22.fxe3 Qg3+] 21...Bxf2+?? Woops! Black panics. [21...Qg3+ 22.Kh1 Qh3+=] 22.Rxf2 Qg3+ 23.Rg2 [23.Kf1 Qh3+ 24.Ke2 walks away] 23...Qe3+ 24.Rf2 [24.Kh1 Qh3+ 25.Rh2] 24...Rac8 25.Nxe8 [25.Bxf7+!] 25...Rxe8 26.Bxf7+ Kf8 27.Bxe8+ Kxe8 28.Qf3 Qg5+ 29.Qg2 Qh6 1-0

 

(51) Quartermane,Dennis - Anderson,David [C15]
MI Summer TNM: U1600 San Francisco (6.55), 02.07.2019

1.d4 d5 2.Nc3 e6 3.e4 Bb4 4.f3 dxe4 5.a3 Ba5 6.b4 Bb6 7.Nge2 a6 8.fxe4 Nc6 9.d5 Ne5 10.Nf4 Qe7 11.dxe6 Nf6 12.Ncd5 Nxd5 13.Nxd5 Qh4+ 14.g3 Qxe4+ 15.Be3 Bxe3 16.Nxc7+ Ke7 17.exf7 Nf3+ 18.Ke2 Bg4 0-1


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