Chess Room Newsletter #874 | Mechanics' Institute

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Chess Room Newsletter #874

Gens Una Sumus!

Newsletter #874

June 21, 2019

By Abel Talamantez

Table of Content


Ivanov continues stellar tournament with hard fought draw against Griffith, Ivanov and Lee share first after 4 rounds.


Aleksandr Ivanov continued an amazing start to the Summer TNM by saving what looked like a lost position and holding a draw against pre tournament favorite FM Kyron Griffith. FM Andy Lee won a technical game against WFM Natalya Tsodikova to grab a share of the lead with Ivanov at 3.5/4. Chasing the leaders at 3/4 are a group of very strong players, so with 4 rounds to go, anything is possible.


FM Kyron Griffith (white) and Aleksandr Ivanov on board 1 provided some fireworks while FM Andy Lee (white) used technical play to score a victory over WFM Natalya Tsodikova on board 2

In the 1600-1999 section, there is a 3-way tie for first at 3.5/4 between Ella Papanek, Teodoro Porlares, and Alexander Perlov. Papanek has a perfect showing in the TNM after taking a first round bye and seems the player to beat in a tough section.

Ella Papanek (blue hat) defeated Guy Argo to propel her into a share for first after 4 rounds

In the under 1600 section, the door has flung wide open as Albert Starr, who was the sole leader after 3 rounds, lost his game against Michael Fernicola. This has created a scenario where now 5 players are tied for first at 3.5/4. It was quite a busy night as we had 58 boards in action! As the halfway point has passed, the games will heat up and players fight for position in the standings. For the full standings, please click here:


2019 Addison Memorial Promises Huge Turnout

We thought we would kick off the summer by paying homage to our 7th Mechanics’ Institute Chess Club Director by offering the largest guaranteed prize pool ever offered inside the clubs walls. With $5000 guaranteed, we have over 60 players pre-registered, with big local names such as FM Kyron Griffith, IM Ladia Jirasek, IM Vincent McCambridge and IM Elliott Winslow. We also have many of the nations top scholastic players playing this event, so there will be youthful challenges in the open section with names like NM Eric Li, NM Rui Yang Yan, Milind Maiti and Joshua Lu.

We will also be broadcasting the top games live, with commentary from FM Paul Whitehead and GM Nick de Firmian. Click on this link to follow the games:

Follow our commentary through our Twitch channel here:

We will have a full coverage of the Addison Memorial in the next newsletter so stay tuned!



Mechanics’ Institute Interim Executive Director and Trustee GM Patrick Wolff Interviewed by ChessBase

Alexey Root from Chessbase recently interviewed GM Patrick Wolff, the interview can be found by following this link:

Patrick was very instrumental in supporting many of the innovations in the Mechanics’ Institute Chess Club and the impact on his advice and mentorship cannot be described in words. We all wish him success in his future projects, as the Institute has hired a permanent Executive Director in Kimberly Scrafano. He remains a member of the Chess Committee at the Mechanics’ Institute.


East Alabama Chess Club Director Visits Mechanics’ Institute


We frequently have visitors come from all over the world to visit our historic club, but we take a special joy when members of other chess clubs from around the country stop by. This week we had a visit from Ken Goodman of the East Alabama Chess Club.

MI Chess Director Abel Talamantez with East Alabama Chess Club Director Ken Goodman​

Part of my work on the U.S. Chess Clubs Committee is to find ways for to assist clubs around the country to promote chess and encourage the development of new clubs by helping provide resources and support. There are great members on this committee, and we will be working hard in the next month to provide proposals at the next delegates meeting at the U.S. Open in Orlando to further the growth of clubs in the U.S. and in support of the mission of U. S. Chess of empowering people, enriching lives and enhancing communities through chess. 

We welcome all visitors from other clubs to visit us, and I look forward to visiting other clubs around the country when the opportunity presents itself.


Clarity on Rule Regarding Recording of Moves

Last week I discussed the USCF rule that requires the making of the move first on the board and then the recording of the move. It was brought to my attention that the quoted rule I put on the newsletter was not the correct one, and indeed I pasted the wrong paragraph. Here is the correct paragraph:

15. The Recording of Games 15A. Manner of keeping score. 

In the course of play each player is required to record the game (both the player’s and the opponent’s moves), move after move, as clearly and legibly as possible, on the scoresheet prescribed for the competition. Algebraic notation is standard, but descriptive or computer notation is permitted. The player must first make the move, and then record it on the scoresheet. The scoresheet shall be visible to the arbiter (tournament directors) and the opponent throughout the game. See also Chapter 3, Chess Notation; 13C3, Filling in moves with flag down; 13I, Refusal to obey rules; 35F6, Scorekeeping options; and 43, Scoresheets. TD TIP: While the rule’s wording indicates making the move first and keeping the scoresheet (paper or electronic) visible at all times, it brings US Chess in alignment with FIDE procedures and sooths many of the fears surrounding electronic scoresheets—see Rule 43— it is a huge change for many players. TDs are advised to first (and possibly second and third) issue warnings to players that do not comply with this revised rule before enforcing any time penalties (1C2a. prescribes adding two minutes to the opponent’s unused time)

We thank our readers for bringing discrepancies to our attention; we always want to make sure the correct information is given. 


Mechanics PRO Chess League Team Draws with Defending Champion St. Louis 22-22 in Round 3

The San Francisco Mechanics fought admireably in securing a 22-22 match score against St. Louis.
A great write up of the match can be found here:

While the match ended in a draw, St. Louis won the tiebreaks to advance on in the Summer League. Congrats to the Mechanics on a bravely fought match and season!!


Tony's Teasers

Last week's problem:

  1. . Ne1!!! Kf4

  2. Rc5 dxe3

  3. Qc4#

This week's problem:


Mate in 2, white to move. Gilber Dobbs 1939


Friendly Rivalries, Part 11

By FM Paul Whitehead

NM Dennis Fritzinger is a long-time Berkeley resident, and his chess history goes back to all the legendary players and travelers through that fabulous town, from the 1960’s to now. Former MI Chess Director John Donaldson writes about Dennis in a previous newsletter here:
Dennis often played the Philidor Defense, using a homegrown idea with Be7-d8-c7 we all called the Fritzidor. Frankly, I didn’t think much of it. But who am I to talk, as one who never contributed to opening theory at all?

Dennis has always been a friendly and interesting person to talk to at tournaments, and in my mind always associated with the Brotherhood of Bay Area Chess Masters (which may only exist in my mind!). His peaceful demeanor hides a fierce competitive nature, and he has a peculiar coiling motion he makes with his arms and hands while moving, like a rattlesnake about to strike!
Dennis and I played 3 times, one draw and 2 wins for me… 
Finally: Dennis writes poetry, and sometimes chess is a theme. The following poem moves me very much, and has been published around the Internet, and in this newsletter once before, with the author’s permission. Forgive me, but here it is again:

By Dennis Fritzinger

We were chess players
once, and young;
our songs are sung,
our bells are rung.
Our names, that once
tripped off the tongue,
are now less than
a heap of dung.
while victory strews
her wreaths among
the present gen
-eration, strung
with ribbons and
with honors hung,
she has forgotten
how each rung
we climbed brought shouts
from every lung.
we are bereft.
we are down flung.
no more the crags
to which we clung
offer us footing;
where we swung
on clouds has closed,
and how it stung
when to us the
first news was brung.
all hail the youth
with backpack slung!
we too were chess players
once, and young.


(1) Whitehead,Paul A - Fritzinger,Dennis [C41]
LERA / Sunnyvale, CA, 1976

Dennis assays the Philidor, and White's treatment with 7.Qe2 lacks bite. Six years later I nailed him with 7.Re1. A solid performance from Black, who was never in trouble. 

1.e4 e5 2.Nf3 d6 3.d4 Nf6 4.Nc3 Nbd7 5.Bc4 Be7

6.0-0 0-0 7.Qe2 c6 8.dxe5 dxe5 9.a4 Qc7 10.Nh4 Re8

11.Nf5 Bf8 12.Qf3 Nb6 13.Bb3 Bxf5 14.Qxf5 Qd7 15.Qf3 Qg4

16.Qxg4 Nxg4 17.h3 Nf6 18.a5 Nbd7 19.Re1 Bb4 20.Ra4 Bxc3

21.bxc3 b5 22.axb6 axb6 23.Rxa8 Rxa8 24.f3 Nc5 25.Be3 Nfd7

26.Rd1 Kf8 27.Rd6 Rc8 28.Rd1 Ra8 29.Rd6 Rc8 30.Rd1 Ra8



(2) Fritzinger,Dennis (2191) - Whitehead,Paul A (2332) [A00]

Paul Masson / Saratoga, CA, 1979

Dennis goes his own way in the opening, but goes too far with 10.h4?! (10.e4, perhaps). 10...Qc8! forces the knight to move, and after White plays the loosening 15.f4? he's in serious trouble. Black makes a misstep with the overly fancy 17...Ng8?! but White soon goes off the rails again, and Black finishes with a crushing attack. 

1.g3 g6 2.Bg2 Bg7 3.Nc3 c5 4.d3 Nc6 5.Bd2 d6

6.a3 Bd7 7.Rb1 Rb8 8.b4 cxb4 9.axb4 b5 10.h4

10...Qc8 11.Ne4 f5 12.Ng5 h6 13.N5h3 e5 14.e3 Nf6

15.f4 Ne7 16.Nf3 Nh5 17.Kf2

17...Ng8 18.fxe5 dxe5 19.d4 exd4 20.exd4 Ngf6 21.Ne5 0-0 22.Nf4 Ng4+ 23.Nxg4 fxg4

24.Bd5+ Be6 25.Bxe6+ Qxe6 26.Re1 Bxd4+ 27.Kg2 Qc6+ 28.Kh2 Bf2 29.Nxh5

29...Bxg3+! 30.Kxg3 Rf3+ 31.Kxg4 gxh5+ 32.Kxh5 Qd5+ 33.Bg5 Qf7+ 34.Kg4 h5#



(3) Whitehead,Paul A (2332) - Fritzinger,Dennis (2191) [C41]
CalChess Masters Berkeley (6), 10.03.1983

White presses Black the entire game, finally bringing home the full point after exactly 100 moves! A typical technical squeeze, in a style that I seem to be overly fond of... 1.e4 e5 2.Nf3 d6 3.d4 Nf6 4.Nc3 Nbd7 5.Bc4 Be7 6.0-0 0-0 7.Re1 c6 8.a4 a5 9.h3 Qc7 10.Be3 Re8

11.Ng5 Rf8 12.Nf3 Re8 13.Ba2 h6 14.Nh4 Nf8 15.d5 cxd5 16.Bxd5 Be6 17.Nf5 Ng6 18.Nb5 Qb8 19.Bxe6 fxe6 20.Nxe7+ Rxe7

21.Qxd6 Qc8 22.Nc3 Ra6 23.Qd3 Rc6 24.Rad1 Rc4 25.Qd8+ Re8 26.Qxc8 Rexc8 27.f3 Ne7 28.Rd6 Kf7 29.Rb6 Rb4 30.Rd1 Rcc4

31.Rd2 Rxb6 32.Bxb6 Rb4 33.Bxa5 Rxb2 34.Nb5 Nc6 35.Bc3 Ra2 36.a5 Ke7 37.Nd6 Nxa5 38.Bxe5 Ne8 39.Nxe8 Nc4 40.Re2 Nxe5

41.Nxg7 Nd3 42.Re3 Nc1 43.e5 Rxc2 44.Ra3 Rc7 45.Ra5 b6 46.Ra8 Rb7 47.Ne8 Kd7 48.Nd6 Rc7 49.Rb8 Kc6 50.Ne8 Rb7

51.Rc8+ Kd7 52.Rxc1 Kxe8 53.Kf2 Kf7 54.g4 Ra7 55.Rb1 Ra2+ 56.Kg3 Ra5 57.f4 b5 58.Kh4 Kg6 59.Rb2 h5 60.Rb3 hxg4

61.hxg4 Kh6 62.Rd3 b4 63.Rd6 Rb5 64.Rxe6+ Kg7 65.Re7+ Kf8 66.Rd7 b3 67.Rd1 b2 68.Rb1 Kf7 69.f5 Rb3 70.Kg5 Rb4

71.Kh5 Rb5 72.Kh4 Rb3 73.g5 Rf3 74.Rxb2 Rxf5 75.Rb7+ Kg6 76.Rb6+ Kg7 77.Re6 Rf1 78.Rf6 Rg1 79.e6 Rh1+ 80.Kg4 Rg1+

81.Kf4 Re1 82.Kf5 Rf1+ 83.Ke5 Re1+ 84.Kd6 Rd1+ 85.Kc7 Rc1+ 86.Kd8 Rd1+ 87.Ke8 Ra1 88.Rf7+ Kg8 89.Rc7 Rd1 90.g6 Rd2

91.e7 Kg7 92.Rd7 Ra2 93.Rd6 Ra8+ 94.Kd7 Ra7+ 95.Ke6 Ra8 96.Rd8 Ra6+ 97.Kd5 Ra5+ 98.Kc4 Re5 99.e8Q Rxe8 100.Rxe8


Scholastic Corner

By Judit Sztaray

The first scholastic tournament in many years was hosted within the walls of our 165-year-old Mechanics’ Institute Chess Club this past Saturday.

We had 36 players in three different sections ranging from unrated to 1500 USCF. The tournament had four rounds of G/30;d5 games, and lasted a bit more than 4 hours total.
The top section had 5 players and the tournament ended in a 3-way tie in the first place between Mateo Hansen, Jon Cendejas and Austin Li, each scoring 3.0. In the middle section, where players rated 500 to 800 uscf played, Robyn Nakhimovsky emerged as a clear winner with a perfect score of 4.0. Runner ups were Dominic Matar with 3.0 and Zee Chin with 2.5 points. The under500 section also had a perfect score: Andrew Ballantyne was the clear winner, with a 6-way tie for second place to follow. Congratulations to all the winners and players, and many thanks for all the parents' support towards bringing more and more Scholastic Chess to MI.

It was one of the most gratifying experience for me this year: seeing enthusiastic kids playing on 100 year old tables, enjoying the clubs atmosphere, and getting accustomed to the club’s way of doing tournaments.
These events are ideal for unrated players who are just getting started into the tournament world. They are also a good opportunity for exciting matchups between experienced tournament players, like we had in Round 2 on board 1 between Mateo and Nathan. It was really great seeing all the kids observing the endgame and showing great sportsmanship, and I enjoyed not having to clear them out from the room and letting them enjoy what experienced players usually do at tournaments.


We will continue to host scholastic tournaments each month at Mechanics, and as the school year starts, we’ll be hosting tournaments at both West Portal, and in Cupertino as well. Our promise is simple: we offer fair and fun tournaments for kids, report the results for rating to US Chess quickly, and our inboxes are always open for questions and feedback!

We hope that we can grow the Mechanics’ scholastic community inside the city and in the wider Bay Area community.
Next one is on Saturday, July 13th at 10AM.
More information – Click HERE  and Register – Click HERE

Don’t forget to spread the news about the WIM Ruth Haring Girls Scholarship:
More information on our w

Any questions? Please, contact me at [email protected]



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

This Week: Alexander Alekhine

Alexander Alekhine  was born in Moscow in1892 and died in Portugal after World War ll in  1946.  He was born into a wealthy Russian family but lived through the tumultuous times of the Russian revolution and two world wars. His first great international performance was 3rd place behind Lasker and Capablanca at the great St. Petersburg tournament of 1914. In 1921 Alekhine left the Soviet Union and immigrated to France. He won most of the tournaments he played during the 1920's, but in the epic 1924 New York International he again finished 3rd behind Lasker and Capablanca. He played Capablanca for the World Championship in Buenos Aires and it was considered an upset at the time when he defeated the invincible Cuban and became the 4rth World Chess Champion. That match finished 18.5-15.5 with 6 wins for Alekhine and 3 for Capa. It is considered one of the greatest matches ever played in the history of chess.

Alekhine is known for his fierce and imaginative attacking style. He introduced sharper, tactical play back into the arena. Capablanca had been winning by great positional and endgame skill. Alekhine learned those points from Capa and Lasker, but also went with his own style of fiery imagination. His incredible victory at San Remo 1930 with 13 wins and 2 draws is one of the most dominant performances of all time.

Alekhine  lost his title in a close match to the Dutchman Max Euwe in 1935 but easily regained it in a 1937 rematch when he had sobered up. He held the title until his death in 1946. While he was preparing for a World Title match against Botvinnik, Alekhine was found dead in his room in Esteril Portugal. The official cause was given as chocking on a piece of meat, but according to GM Spraggett (who moved to Portugal from Canada) Alekhine was assassinated because of his participation in Nazi tournaments and his cooperation with them during the war.


(1) Alekhine,Alexander - Kussman,Leon New York, 1924

1.d4 d5 2.Nf3 Nf6 3.c4 e6 4.Nc3 c5 5.cxd5 exd5 6.Bg5!

This is more aggressive in this position than the slower 6.g3. 6...Be6 7.Bxf6 Qxf6 8.e4! Typical Alekhine. Making an aggressive choice to present immediate problems to the opponent. 8...dxe4 9.Bb5+

9...Bd7?! Black needs to play aggressively himself to avoid major disadvantage. 9...Nc6! would be best. 10.Nxe4 Qb6 11.Bxd7+ Nxd7 12.0-0 cxd4 13.Nxd4 Rd8? Black needed to do something special to deal with the disadvantage in development. Though unpleasant he should try 13...0-0-0. 14.Nf5

14...Ne5 15.Qe2 g6

This allows the game continuation, but in any case black was in serious trouble. 16.Qb5+! Nd7

16...Qxb5 allows 17. Nf6 mate! 17.Rfe1! Renewing the mate threat. 17...Bb4

18.Nf6+ Kf8 19.Nxd7+ Rxd7 20.Qe5!

White threatens mate three ways! Kussman resigned. 1-0 (2) Alekhine,Alexander - Marshall,Frank Baden-Baden, 1925

1.d4 Nf6 2.c4 d5?! A specialty of Marshall's, but it lets White get more control of the center. 3.cxd5 Nxd5 4.e4 Nf6 5.Bd3 e5!?

A nice try to mix it up. Marshall breaks up the white center. 6.dxe5 Ng4 7.Nf3 Nc6 8.Bg5 Be7 9.Bxe7 Qxe7 10.Nc3

10...Ncxe5 11.Nxe5 Qxe5?! Safer is 11...Nxe5. 12.h3 Nf6 13.Qd2 Bd7 14.Qe3

Alekhine has more control of the center and so an opening advantage. 14...Bc6 15.0-0-0! 0-0 16.f4 Qe6 17.e5 Rfe8 18.Rhe1 Rad8 19.f5 Qe7 20.Qg5 Nd5?

This allows the combinations to flow. Black had to retreat with 20...Qf8. 21.f6 Qf8 22.Bc4! Nxc3 23.Rxd8 Rxd8 24.fxg7

24...Nxa2+! 25.Kb1! Not allowing 25. Bxa2 Qc5+ getting out of trouble. 25...Qe8 26.e6 Be4+ 27.Ka1

Refusing to capture! Now 27...fxe6 28. Bxe6+ is curtains. 27...f5 28.e7+ Rd5 29.Qf6!

29...Qf7 30.e8Q+

Marshall resigned. 30...Qxe8 31. Bxd5+ Bxd5 32. Rxe8 is mate. 1-0 (3) Alekhine,Alexander - Book,Eero [D28] Margate, 1938

1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.0-0 Nc6 7.Qe2 a6 8.Nc3 b5 9.Bb3

We have a typical Queen's Gambit Accepted. White tries to make use of his slight lead in development. Black would do best to develop with 9...Be7 now. 9...b4 10.d5! Na5 11.Ba4+ Bd7 12.dxe6 fxe6

13.Rd1! bxc3 14.Rxd7! Nxd7 15.Ne5

Alekhine has sacrificed a whole rook. The pin on the d7 knight is a bad problem for Black. 15...Ra7 16.bxc3 Calmly recapturing the pawn. In the modern world with computer checks it turns out more accurate to play 16. e4 as in the game continuation Black should play 16. ..Bd6!, not fearing 17. Qh5 + g6! 18. Nxg6 hxg6. Book makes a last error. 16...Ke7? 17.e4! Nf6 18.Bg5 Qc7 19.Bf4!

19...Qb6 20.Rd1 g6 21.Bg5 Bg7 22.Nd7!

The knight jumps in with deadly effect. 22...Qd8 23. e5 is the end. 22...Rxd7 23.Rxd7+ Kf8 24.Bxf6 Bxf6 25.e5

Book resigned. 25...Qb1+ 26. Rd1 or 25...Bg7 26. Qf3+ is enough. 1-0


2019 Summer TNM Games Round 4

Annotations by GM Nick de Firmian and IM Elliott Winslow



(1) Griffith,FM Kyron (2455) - Ivanov,Aleksandr (2187) [C01]
MI Summer TNM: 2000+ San Francisco (4.1), 18.06.2019
[de Firmian,Nick]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.exd5 exd5 5.Bd3 Ne7 6.Nf3 0-0 7.0-0 c6 8.Ne2 Bf5 9.Ng3 Bxd3 10.Qxd3 Bd6 11.Ng5 Ng6 

12.f4!? [12.Nf5!? h6 13.Ne6! fxe6 14.Nxd6 Qxd6 15.Qxg6 Rf6 16.Qg3 Qxg3 17.hxg3 Nd7 18.Re1] 12...Re8 13.f5 Nf8 14.f6 gxf6? Overlooking a fantastic double piece sacrifice! [14...g6! The weakness of f6 (to ...Nbd7) diverts White from any checkmate on g7] 15.Nf5!! fxg5 16.Nh6+ Kg7 17.Rxf7+!+- [17.Nxf7 Qc7 18.Bxg5 is pretty good as well, but Griffith goes for more] 17...Kxh6 [17...Kh8 18.Qf5! Black's extra piece is temporary; mate threats will gain it back and a lot more. 18...Be7 (18...Bxh2+ 19.Kxh2 Qd6+ 20.Kg1 Qxh6 21.Bxg5 Qg6 22.Rxf8+ Kg7 23.Qxg6+ Kxg6 24.Rxe8) 19.Rxe7! No break! 19...Qxe7 (19...Rxe7 20.Qf6+ Rg7 21.Qxd8) 20.Bxg5 nabs the queen with ongoing problems with Black's king. 20...Nbd7 21.Bxe7 Rxe7 22.Rf1] 18.Qh3+?! [18.g4!! Bg3!? (18...Bxh2+ 19.Kxh2 Qd6+ 20.Kg2 Re2+ 21.Qxe2 Qe6 22.Qf3; 18...Re1+ 19.Kg2 Re2+ 20.Qxe2) 19.hxg3! (19.Qxg3 Kg6 20.Qf3 Re1+ 21.Kg2 Re2+ 22.Kh3 Nbd7) 19...Nbd7 20.Bd2 (20.Qf1 Kg6 21.Qf5+ Kh6 22.Kf2 Re1!? (Stockfish tries to squirm!) 23.Bf4!! (Stockfish refuses to bite!) 23...Rxa1 24.Be5!! Nxe5 25.Qxe5) ; 18.Bd2! mobilizing the a1 rook in a timely manner, is almost as crushing] 18...Kg6 19.Qf5+ Kh6 20.h4 

Time for a mega desperado defense! 20...Re1+ 21.Kf2 Rxc1!

22.h5?? When every other line is sacrifice upon sacrifice, it's easy to lose track! [22.Rxc1[] gxh4 23.Re1[] (23.g4 Qg5-/+) 23...Qd7!? (23...Bg3+ 24.Kf3 Bxe1 25.Kg4!) 24.Qf6+ Kh5 25.Re5+! Bxe5 26.Qxe5+ Kg6 27.Rxf8+-] 22...Rxc2+!

23.Qxc2?! [23.Kg1! Qd7!! (23...Qe8 24.Qf6+ Kxh5 25.Qf3+ g4 26.Qf5+= is perpetual (only)24.Rxd7 (24.Qf6+ Kxh5 25.Rxd7 Nbxd7 26.Qxd6 Re8) 24...Nbxd7 25.Qxc2 Re8 might not be a total win for Black, but his minors are ready to swarm...] 23...Qe8!-+ covering g6 24.Qf5 Nbd7 25.Rf6+ 

25...Nxf6? [25...Kg7! 26.Qxg5+ a) 26.Rxd6 Qe7! 27.Rxd7 Nxd7 28.Re1 Qf8; b) 26.h6+ Kg8 (or 26...Kh8) ; 26...Ng6! (26...Kh8 27.Rxd6 Ne6! 28.Qh6 Nxd4!) 27.Rxd6 Qf8+ 28.Kg1 Qxd6 White has run out of steam] 26.Qxf6+ Ng6 27.hxg6 Bg3+! Perhaps Ivanov was just happy to see a line to a better ending, so didn't look elsewhere. As it turns out, it's problematic to win. 28.Kxg3 Qe3+ 29.Kh2 Qf4+ 30.Qxf4 gxf4 31.gxh7 Rh8 [There are also technical difficulties after 31...Kxh7 32.Rf1 Rf8 33.Kh3 Kg6 (33...Kh6) 32.Re1 Rxh7 33.Kg1 Kg5 34.Kf2 Kg4 35.Re8 Rg7 [35...Rh1!-+] 36.Re5 Rh7 37.b4 a6 38.Re8 Rg7 [38...Rh1!-+] 39.a4 Rf7? 40.Rg8+ Kf5 41.Kf3= Re7 42.Rf8+ Kg5 43.Rxf4 Kg6 44.Rg4+ Kf6 45.Rf4+ Kg6 46.Kf2 Rh7 47.Rg4+ Kf6 48.Rg8 Rh4 49.Ke3 Re4+ 50.Kd3 Re7 51.Rg3 Kf5 52.Rf3+ Kg4 53.Kc3 Rh7 54.Rf8 Re7 55.Kd3 Kg5 56.Rd8 Kf4 57.Rf8+ Kg4 58.b5 axb5 59.axb5 cxb5 60.Rd8 Kg3? Many moves draw easily. This doesn't so. [60...Rg7; 60...Kf4; 60...Re1; 60...Re6] 61.Rxd5 Kxg2? [61...Kf4!+/=; 61...b4 62.Rb5 Kf4 63.Rxb4 Rg7+/=] 62.Rxb5+- It's a lot easier for a rook to get back into play than a king. 62...Kf3 63.Rf5+?! [63.d5! Rd7 (63...Kf4 64.d6 Rd7 65.Rd5) 64.Kd4] 63...Kg4 64.Rf1 b5? [64...Kg5 Standard (and only) defense: ...Kg6 and ...Rf7, to get the king back in front of the pawn. 65.d5 Kg6 66.Kd4 Rf7= 67.Rb1 Kf6 (67...Kg7) 68.Rb6+ (68.Kc5 Now the rather unnatural 68...Rd7! is the only defense -- but it works 69.Re1 Re7! (also only) 70.Rf1+ Ke5 71.d6 Rh7! Only this (or 71...Rg7!) ) 68...Ke7! 69.Rxb7+ Kd6!] 65.d5+- b4 66.Kc4 Rb7 67.Rb1 Kf5 68.Rxb4 Rc7+ 69.Kd4 Kf6 70.Rb6+? [70.d6!+-] 70...Kf7 71.Ke5 Ke8 72.Kd6 Rd7+ 73.Kc6 Ke7 74.Rb1 Rd6+ 75.Kc5 Rh6 76.Rc1 Kd7 77.Kb5 Rh2 78.Kc5 Rd2 79.Rh1 Rc2+ 80.Kd4 Rd2+ 81.Ke4 Re2+ 82.Kd3 Re5 83.Kd4 Re2 84.Rh7+ Kd6 85.Rh6+ Kd7 86.Kd3 Re5 87.Kc4 Re1 88.Rh3 Rc1+ 89.Kb5 Rb1+ 90.Kc5 Rc1+ 91.Kd4 Rd1+ 92.Rd3 Rxd3+ 93.Kxd3 Kd6 94.Ke4 Kd7 95.Ke5 Ke7 96.d6+ Kd7 97.Kd5 Kd8 98.Kc5 Kd7 99.Kd5 Kd8 100.Kc6 Kc8 101.d7+ Kd8 102.Kd6 1/2-1/2

(2) Lee,Andy (2344) - Tsodikova,Natalya (2197) [C30]
MI Summer TNM: 2000+ San Francisco (4.2), 18.06.2019
[de Firmian,Nick]

1.e4 e5 2.f4 Qh4+ 3.g3 Qe7 4.fxe5

4...d6! 5.Nf3 [5.exd6! Qxe4+ 6.Qe2 Qxe2+ 7.Nxe2 Bxd6 8.Bg2] 5...dxe5 6.Bg2 Nf6 7.d3 Nc6 8.a3 Bg4?! [8...Qc5 9.Qe2 Qb6] 9.h3 Bxf3 10.Bxf3 Qe6 11.Be3 Nd4 12.Nd2 Bc5 13.Nc4? [13.Bf2!=] 13...b5!

14.c3?! bxc4 [14...Nxf3+ 15.Qxf3 bxc4 16.Bxc5 cxd3 17.Qxd3 Qc6 is very strong.] 15.cxd4 exd4 [15...Bxd4!] 16.Qa4+ c6 17.Bf2? [17.Bf4=] 17...cxd3 18.Rc1

18...Nd7 [18...0-0!! 19.Rxc5 (19.0-0 Bb6 20.Rxc6 Qe7) 19...Nxe4-+] 19.0-0 d2

20.Rxc5 Nxc5 21.Qxd4

21...0-0?? [21...Nd7 22.Qxg7 0-0-0-/+] 22.Qxc5+/- Rfd8 23.Qc3 Rab8 24.b4 a5 25.Kg2 axb4 26.axb4 Ra8?! [26...d1Q 27.Rxd1 Rxd1 28.Bxd1 Qxe4+ 29.Bf3 Qxb4 30.Qxc6] 27.Rd1+- Ra2 28.e5 Qf5 29.Qxc6 Qxe5 30.b5 h6 31.b6 Ra1?! 32.Qc7 1-0

(3) Yan,Rui Yang (2190) - Shaw,Tenzing (2287) [A40]
MI Summer TNM: 2000+ San Francisco (4.3), 18.06.2019
[de Firmian,Nick]

1.d4 g6 2.c4 Bg7 3.g3 c5 4.d5 d6 5.Nc3 Bxc3+ 6.bxc3 f5

7.Bg2 Nf6 8.Nf3 Qa5 9.Qd3 Nbd7 10.0-0 Qa4 11.Bf4 Nb6 12.Nd2 Bd7 13.Rfe1 0-0-0 14.Bg5 h6 15.Bxf6 exf6 16.f4 h5 17.e3 h4 18.Kf2 g5 19.a3

19...Kb8 20.Rh1 Bc8 21.Bf3 Rdg8 22.Bg2 Rh6 23.Rhg1 Qd7 24.Nf3 Qg7 25.Bf1 Rg6 26.Nd2 Bd7 27.Be2 Rh6 28.Nf1 Qh7 29.Bf3 Rhg6 30.Bg2 R8g7 31.Bf3 Nc8 32.Ra2 Ne7 33.Ke1 Ba4 34.Rag2 g4 This locks up the position, making it harder to break through. 35.Bd1 Bxd1 36.Kxd1 Rh6 37.Ke1 Qg8 38.Kd1 Qe8 39.Qc2 Qd7 40.Qb3 Ka8 41.Ke1 Rg8 42.Rb2 Rb8 43.a4 Nc8 44.Kf2 Qe8 45.Ke1 Qe4 46.a5 Rh7 47.Re2 b5 48.cxb5 c4 49.Qa4 hxg3 50.hxg3 Qb1+ 51.Kf2 Qxb5 52.Qxb5 Rxb5 53.e4 fxe4 54.Rxe4 Re7? [54...Rxa5 still with chances to win] 1/2-1/2

(4) Kim,Isaiah (2139) - Diaz,Conrado (2345) [D17]
MI Summer TNM: 2000+ San Francisco (4.4), 18.06.2019
[de Firmian,Nick]

1.d4 Nf6 2.c4 c6 3.Nc3 d5 4.Nf3 dxc4 5.a4 Bf5 6.Ne5 e6 7.f3 Bb4 8.e4 Bg6 9.Bxc4 0-0 10.0-0 Nbd7 11.Nd3 Be7 12.Be3 a5 13.Qe2 Re8 14.Rfd1 Rc8 15.Rac1 Qc7?! 16.e5! Nd5 17.Nxd5 cxd5 18.Bxd5 Qb6 19.Bc4 Rxc4 20.Rxc4 Qa6 21.Nf4 Nb6 22.Rdc1 [22.Rcc1 keeps the extra Exchange, winning] 22...Nxc4 23.Nxg6 hxg6 24.Qxc4 Qxc4 25.Rxc4 Bb4 26.Kf2 b5 27.axb5 Rb8 28.b6 Rxb6 29.d5 Rb5 30.d6 Rd5 31.Rd4 Rxd4 32.Bxd4 Kf8 33.Ke2 a4 34.Kd3 a3 35.bxa3 Bxa3 36.Ke4 Ke8 37.Be3 Kd7 38.Bg5 f5+ 39.exf6 gxf6 40.Bxf6 Bxd6 41.Be5 Bb4 42.Kf4 Bd2+ 43.Kg4 Ke7 44.f4 Kf7 45.Kg5 Bb4 46.Kg4 Be7 47.h4 Kg8 48.h5 Kh7 49.Bd4 Kh6 50.hxg6 Kxg6 51.Kf3 Bd6 52.g4 Bc7 53.Ke4 Bd6 54.Be5 Bc5 55.Kd3 Kf7 56.Kc4 Be3 57.Kb5 Bd2 58.Kc6 Be3 59.Kd7 Bd2 60.Kc6 Be3 61.Kb5 Bd2 62.Kc4 Be3 63.Kd3 Bc5 64.Bd4 Bd6 65.Be3 Bc7 66.Kc4 Ba5 67.Kb5 Be1 68.Kc6 Bg3 69.Kd6 Bh4 70.g5 Bg3 71.Ke5 Bh2 72.Bf2 Kg6 73.Be3 Kf7 74.Ke4 Bg3 75.Kf3 Be1 76.Ke4 Bg3 77.f5 exf5+ 78.Kxf5 Kg8 79.Bd4 Bh4 80.g6 Be7 81.Ke4 Tough defense by Conrado to hold the half point. 1/2-1/2

(5) Trattner,Andrew (2052) - Chambers,Ezra (2308) [D13]
MI Summer TNM: 2000+ San Francisco (4.5), 18.06.2019
[de Firmian,Nick]

1.Nf3 d5 2.d4 Nf6 3.c4 c6 4.cxd5 cxd5 5.Nc3 Nc6 6.Bg5 Ne4 7.Bf4 e6 8.e3 Bb4 9.Rc1 g5! 10.Bg3 h5! 11.h3 Nxg3 12.fxg3 Bd6 13.Kf2 Kf8 14.e4 Bc7 15.Bb5 Kg7 16.Qd2 f6 17.Bxc6 bxc6 18.e5 fxe5 19.dxe5 Bb6+ 20.Ke1 Rf8 21.Na4 Bd7 22.Nc5 Rb8 23.Kd1 Bxc5 24.Rxc5 Kg6 25.Rc3 Qe7 26.Re1 Rbc8 27.Ra3 Rc7 28.Ra6 Bc8? 29.Qc2+! Kg7 30.Rxc6 Rxc6 31.Qxc6 g4 32.Nd4 Bd7 33.Qa6 Rc8 34.Rf1?? [34.Qe2 to defend keeps White's advantage; or 34.Qd3] 34...Qc5 Now he's lost. 35.Qd3 Qc1+ 36.Ke2 Qxb2+ 37.Qd2 Bb5+ 38.Nxb5 Rc2 39.Qxc2 Qxc2+ 40.Ke3 Qc5+ 41.Nd4 Qc3+ 42.Kf4 Qxd4+ 43.Kg5 Qxe5+ 44.Kh4 Kg6 45.hxg4 hxg4 46.Kxg4 Qh5+ 47.Kf4 Qf5+ 0-1

(6) Winslow,Elliott C (2294) - Walder,Michael S (2007) [E92]
MI Summer TNM: 2000+ San Francisco (4.6), 18.06.2019

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 0-0 6.Be2 e5 7.d5 a5 8.Nd2 [8.Bg5; 8.0-0; 8.Be3; 8.h3; 8.h4] 8...Na6 9.g4 [9.h4] 9...Nc5 10.Rg1?!N [10.h3 a4 11.Kf1!?] 10...c6 11.Qc2 Qb6? [11...a4!-/+] 12.Nb3 cxd5 13.Nxc5 Qxc5 14.exd5 Bd7 15.Be3 Qc7 16.a4 Ne8 17.Qd2 f5 18.gxf5 Bxf5 19.Nb5 Qd7 20.b4 axb4 21.Qxb4 e4 22.Rd1 Be5 23.c5 Qg7 24.c6 bxc6 25.dxc6 Nc7 26.Rc1 Rfb8 27.h4 Kh8 28.h5 Na6 29.Qc4 Nc5 30.Nxd6 Bxd6 31.h6 I hadn't meant to do this, and indeed White misses the hxg6 option, but it does set up highly annoying mating motifs. [31.Bxc5 Bxc5 (31...Be5 32.hxg6 Bxg6 33.Be3) 32.Qxc5 Rxa4 (32...e3 33.fxe3 (33.Qxe3?? Re8) ) 33.c7 Rc8 34.hxg6 Bxg6 35.Rg3 (35.Bg4) 31...Qf6 32.Bxc5 Bxc5 [32...Be5!? 33.Be3!?] 33.Qxc5 Rxa4 34.Rg3 Rf8 35.c7 Raa8 36.Rb3 Be6 37.Rb6 Rae8 38.Bc4 [38.Rxe6! doesn't just win, it's mate in 7: 38...Rxe6 (38...Qxe6 39.Qc3+ (39.c8Q) 39...Qe5 40.c8Q) 39.c8Q Ree8 40.Qc3] 38...e3 39.Qxe3 (Black lost on time) 1-0

(7) Wong,Russell (2200) - Melville,Cailen (1935) [C02]
MI Summer TNM: 2000+ San Francisco (4.7), 18.06.2019
[de Firmian,Nick]

1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Qb6 5.f4?! Nc6 6.Nf3 Nh6 7.Bd3 cxd4 8.cxd4 Nf5?! [8...Bd7=/+] 9.Bxf5 exf5 10.Nc3 Be6 11.0-0 h6 12.Rf2 Be7 13.Be3 Qd8 14.Rc1 Rc8 15.a3 g5?! 16.h3 g4? 17.hxg4 fxg4

18.f5! Bxf5 19.Nh2 Bg5 20.Bxg5 Qxg5 21.Rxf5 Qxf5 22.Nxg4 Ne7? [22...Kd8] 23.Nf6+ Kf8 24.Rc2 a6 25.Rf2 Qe6 26.Qh5 Rc4 27.Nd7+ Ke8 28.Nc5 Qg6 29.Qh3 Rxc5 30.dxc5 Qe6 31.Qxe6 fxe6 32.Rf6 Kd7 33.Ne2 Nc6 34.Rf7+ Kc8 35.Nf4 Nxe5 36.Re7 Nc4 37.Rxe6 d4 38.Nd3 Kd7 39.Re4 Kc6 40.Rxd4 Na5 41.b4 Nb3 42.Ne5+ Kb5 43.Rd6 Ka4 44.Rb6 Rh7 45.Nc4 Nd4 DGT fail: White went on to win. 1-0

(8) Askin,David (2003) - Tsegmed,Mugi (2125) [D19]
MI Summer TNM: 2000+ San Francisco (4.8), 18.06.2019
[de Firmian,Nick]

1.d4 d5 2.Nf3 Nf6 3.c4 c6 4.Nc3 dxc4 5.a4 Bf5 6.e3 e6 7.Bxc4 Bb4 8.0-0 0-0 9.Qe2 Bg6 10.Ne5 Bh5 [10...Nbd7] 11.g4 Bg6 12.Nxg6 [12.h4!] 12...hxg6 13.Bd2?! [13.Rd1; 13.Na2] 13...Nbd7 [13...c5] 14.f4 [14.g5!+/-] 14...c5 15.g5 cxd4 16.gxf6? [16.exd4 Nh5=] 16...dxc3 17.bxc3 Bc5 [17...Ba5!?] 18.fxg7 Kxg7 19.Bd3 Nf6?! [19...Rh8; 19...Qc7] 20.c4 Rh8 21.Rad1? [21.Rf3=] 21...Rh3 22.Bc1 Qb6 23.Rf3 Rah8 24.Rxh3 Rxh3 25.Kg2 Rh5 26.e4 Qb3? [26...e5! 27.fxe5 Nd7-/+] 27.Bb2 Qxa4 [27...Be7!] 28.Bxf6+ Kxf6 29.Qb2+ e5

30.fxe5+? [30.Be2! Bd4 31.Rxd4! exd4 32.Qxd4+ Ke7 33.Bxh5 gxh5=] 30...Ke6-/+ 31.Rf1?! Qb4 [31...Rg5+; 31...Qd7] 32.Qe2 Qc3 33.Qg4+ Ke7 34.Qf3 Qd2+ [34...Rh7; 34...Kd8] 35.Be2 Qg5+ 36.Kh1 Rh7 37.e6? [37.Qf6+-/+] 37...Kxe6 [37...Rxh2+!! 38.Kxh2 Bd6+ 39.Kh3 Qh6+] 38.Qd3 Ke7 39.Qb3 b6 40.Qa4 Qe5 [40...Rxh2+!] 0-1

(9) Senthilkumar,Pranav (2030) - Doyle,Bryon (2186) [C55]
MI Summer TNM: 2000+ San Francisco (4.10), 18.06.2019
[de Firmian,Nick]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d3 Be7 5.a4 0-0 6.0-0 d6 7.Re1 Kh8 8.h3 Ng8 9.Nc3 f5 10.Nd5 f4 11.b4 Bf6 12.Bb2 Nce7 13.Nxf6 gxf6 14.d4 Qe8 15.dxe5 fxe5

16.Nxe5! dxe5 17.Bxe5+ Nf6 18.Qd4 Qg6 19.Bxf4 Qg7 20.Qe3 Re8 21.Rad1 Nc6 22.Qc3 Be6 23.b5 Bxc4 24.bxc6 Nh5 25.Qxg7+ Kxg7 26.cxb7 Rab8 27.Rd7+ Kg6 28.Rxc7 Nxf4 29.Rxc4 Rxb7 30.e5 Kf5 31.Ree4 Rb1+ 32.Kh2 Nd5 33.g4+ Kg5 34.f4+ Nxf4 35.Rxf4 Rxe5 36.Rf2 Kh4 37.Rc7 h5 38.Rh7 Ra1 39.Rxa7 Re3 40.gxh5 Great escape by Bryon! 1/2-1/2

(10) Lin,Michael (2149) - Gaffagan,Steve (2035) [E01]
MI Summer TNM: 2000+ San Francisco (4.11), 18.06.2019
[de Firmian,Nick]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.g3 c6 5.Bg2 Bb4+ 6.Nc3 Ne4 7.0-0 Bxc3 8.bxc3 0-0 9.Ba3 Re8 10.Qc2 Nd7 11.Ne5 Ndf6 12.c5 h6 13.h4 b6 14.Nd3 [14.Nxc6 Qc7 15.Ne5 bxc5 16.Qd3=; 14.c4!?] 14...Ba6 15.Rab1 Qc7 16.cxb6 axb6 17.Bc1 Bb5 18.Bf4 Qe7 19.Ne5 Ra3 20.c4 Ba4? [20...Bxc4! 21.Rxb6 Rxa2=] 21.Qb2 g5?! 22.hxg5 hxg5 23.c5 [23.Bd2!?] 23...Rc3 24.Bxg5 Rc2 25.Qa3 Nxg5 26.Qxa4 Rxe2 27.cxb6 Nfe4 28.b7 Rd2 29.Qxc6 Rf8 30.b8Q Kg7 31.Qb4 Qf6 32.Qxf8+ 1-0

(11) Yanofsky,Kevin (1964) - Viswanath Natraj,Ganesh (2128) [E39]
MI Summer TNM: 2000+ San Francisco (4.12), 18.06.2019

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 0-0 5.Nf3 c5 6.dxc5 Na6 7.g3 Nxc5 8.Bg2 b6 9.0-0 Bxc3 10.Qxc3 Bb7 11.b4 Nce4 12.Qc2 Rc8 13.Ng5 d5 14.Nxe4 Nxe4 15.Bxe4 dxe4 16.Be3 f5 17.Rad1 Bd5 18.c5 Qf6 19.Qd2 Qg6 20.cxb6 axb6 21.Rc1 Ra8 22.Rc2 Qg4 23.Bf4 Ra3 24.Qd4 h5 25.Rc7 Rxa2 26.Rfc1 Rf7 27.Rxf7 Kxf7 28.Be5 Ra7 29.Qxb6 Re7 30.Qd8 Qxe2 31.Qh8 Kg6 32.Bf4 e3 33.Bxe3 Qf3 34.Kf1 Be4 35.Qd8 Kf7 36.Bg5 Ra7 37.Qd2 Bd3+ 38.Kg1 Be4 39.Kf1 Bd3+ 40.Kg1 Be4 41.Kf1 Bd3+ 1/2-1/2

(12) Smith,Robert (1800) - Boldi,Ethan (2044) [C00]
MI Summer TNM: 2000+ San Francisco (4.13), 18.06.2019

1.e4 e6 2.Qe2 Nc6 3.Nc3 Nge7 4.f4 d5 5.Nf3 dxe4 6.Qxe4 a6 7.a3 b5 8.Be2 Bb7 9.0-0 Nf5 10.b4 Rb8 11.Qd3 Qf6 12.Ne5 Nxe5 13.fxe5 Qxe5 14.Qh3 Bd6 15.Bd3 Qd4+ 16.Rf2 Nh4 17.Qe3 Qg4 18.Be4 Qh5 19.Bxb7 Rxb7 20.g3 Ng6 21.Qe4 Rb6 22.d4 0-0 23.Be3 Rbb8 24.Raf1 Ne7 25.Qd3 Nf5 26.Bf4 Rbd8 27.Ne2 Qg6 28.c3 Ne7 29.Qxg6 Nxg6 30.Bxd6 cxd6 31.Nf4 Ne7 32.Rf3 e5 33.Ne2 f6 34.Re3 Nd5 35.Rd3 e4 36.Rd2 Rc8 37.Rc1 g5 38.Rdc2 f5 39.c4 Ne3 40.Rc3 Nxc4 41.d5 f4 42.Nd4 f3 43.Nc6 Kh8 44.Kf2 e3+ 45.Ke1 Rce8 46.Rd3 Nb2 47.Rb3 e2 0-1

(13) Rudyak,Felix (1888) - Davila,Carlos (2085) [E19]
MI Summer TNM: 2000+ San Francisco (4.14), 18.06.2019

1.Nf3 Nf6 2.g3 b6 3.Bg2 Bb7 4.0-0 e6 5.d4 Be7 6.c4 d6 7.Nc3 Ne4 8.Qc2 Nxc3 9.Qxc3 Nd7 10.b3 0-0 11.Bb2 Be4 12.Nd2 Bxg2 13.Kxg2 Re8 14.e4 c5 15.d5 Bf6 16.Qc2 Bxb2 17.Qxb2 e5 18.a4 a6 19.Nb1 Nf6 20.Nc3 Rb8 21.Qe2 h5 22.h3 g6 23.f4 exf4 24.gxf4 h4 25.Rae1 Nxe4 26.Nxe4 f5 27.Nf6+ Qxf6 28.Qxe8+ Rxe8 29.Rxe8+ Kh7 30.Rfe1 Qd4 31.R1e7+ Kh6 32.Kf3 Qd3+ 33.Kf2 Qg3+ 34.Ke2 Qxf4 35.Re6 Qh2+ 36.Kd1 Qxh3 37.Kc2 Qg2+ 38.Kb1 h3 0-1

(14) Lehman,Clarence (1900) - Persidsky,Andre (1876) [B50]
MI Summer TNM: 2000+ San Francisco (4.15), 18.06.2019

1.e4 c5 2.b4 d6 3.Nf3 a6 4.Bb2 Nc6 5.Bc4 e6 6.0-0 b5 7.Be2 Nxb4 8.d4 cxd4 9.Nxd4 e5 10.a3 exd4 11.axb4 Bb7 12.Qxd4 Nf6 13.Nd2 Be7 14.c4 bxc4 15.Bxc4 0-0 16.Ra3 d5 17.exd5 Bxd5 18.Rd3 Bxc4 19.Qxc4 Qb6 20.Rg3 Rac8 21.Qh4 Rc2 22.Bd4 Qxb4 23.Rxg7+ Kxg7 24.Bxf6+ Bxf6 25.Qxb4 Rfc8 1-0

(15) Mandjian,Vahak (1808) - Riese,Kayven (1900) [A80]
MI Summer TNM: 2000+ San Francisco (4.16), 18.06.2019

1.d4 e6 2.Nf3 f5 3.Nc3 d5 4.Bg5 Nf6 5.e3 c6 6.Ne5 Bd6 7.f3 Nbd7 8.Nxd7 Bxd7 9.e4 Bb4 10.e5 Bxc3+ 11.bxc3 h6 12.Bc1 Nh5 13.g3 0-0 14.f4 g6 15.Be2 Ng7 16.Ba3 Rf7 17.h4 h5 18.Rb1 Qc8 19.c4 b6 20.cxd5 cxd5 21.Qd2 Ba4 22.Rb2 Rc7 23.Bd3 a5 24.Rh2 Rc6 25.Re2 Ra7 26.Re3 Ne8 27.Kd1 Rac7 28.Rf3 Kf7 29.Re3 Rc3 30.Ba6 Qxa6 31.Rxc3 Qf1+ 32.Qe1 Qxe1+ 33.Kxe1 Rxc3 0-1

(16) Chinchwadkar,Om (1897) - Ricard,Bruce (1875) [B13]
MI Summer TNM: 2000+ San Francisco (4.17), 18.06.2019
[Lichess via Bruce/Winslow,Elliott]

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 Nc6 6.Nf3 Bg4 B13 Caro-Kann Defense: Panov Attack, Modern Defense, Mieses Line 7.Be3 e6 8.Be2 dxc4 9.Bxc4 Be7 10.d5 exd5 11.Nxd5 Nxd5 12.Qxd5 Qxd5 13.Bxd5 Bb4+?! (0.00 ? 0.60) Inaccuracy. Best move was Nb4. [13...Nb4 14.Bb3 0-0 15.0-0 a5 16.Ne5 Be6 17.Bxe6 fxe6 18.Nd7 Rf7 19.Nb6 Raf8 20.Nd7] 14.Ke2 0-0 15.Rhd1 Rfe8 16.Kf1 Rad8 17.Bxc6 bxc6 18.Bxa7?! (1.36 ? 0.76) Inaccuracy. Best move was Rxd8. [18.Rxd8 Rxd8 19.Ne5 Rd1+ 20.Rxd1 Bxd1 21.Bxa7 Ba4 22.Ke2 Bb5+ 23.Nd3 Bd6 24.b3 Ba3] 18...Rxd1+ 19.Rxd1 h5 20.Be3 Be7 21.Rc1 Ra8 22.a3 Rb8 23.Bd4?! (1.25 ? 0.71) Inaccuracy. Best move was b4. [23.b4 Ra8 24.Rc3 Bf6 25.Bd4 Bxf3 26.Bxf6 Bg4 27.f3 Be6 28.Bh4 Bd5 29.Ke2 f6] 23...Bxf3?! (0.71 ? 1.39) Inaccuracy. Best move was c5. [23...c5 24.Bc3] 24.gxf3 c5 25.Bxc5?! (1.38 ? 0.65) Inaccuracy. Best move was Bc3. [25.Bc3 f6] 25...Bxc5 26.Rxc5 Rxb2 27.Rxh5 Rb3 28.Ra5 Rxf3 29.Ra8+ Kh7 30.Kg2 Rb3 31.f3 Rb2+ 32.Kg3 Ra2 33.a4 g6 34.a5 Kg7 35.a6 Kh7?! (0.54 ? 1.27) Inaccuracy. Best move was Kf6. [35...Kf6 36.Ra7 Ke6 37.h4 f6 38.Kg4 Rg2+ 39.Kf4 Ra2 40.Ke4 Ra4+ 41.Kd3 Kf5 42.Ke3] 36.Kf4 Rxh2?! (1.18 ? 2.03) Inaccuracy. Best move was Kg7. [36...Kg7] 37.Rf8 Ra2 38.Rxf7+ It won't help to talk about "?"s for Black: this position is lost. "DTM" (depth to mate) = 39. 38...Kg8 39.Rf6 Kg7 40.Rb6 Ra4+ 41.Ke5 Kh6 42.Kd5 Kh5 43.Kc6 Ra3 44.f4 Ra4 45.Kb7 Rxf4 46.a7 Rf7+ 47.Ka6 [47.Kb8?? g5= 48.a8Q Rf8+ 49.Ka7 Rxa8+ 50.Kxa8 gives Black more than enough time to draw (with all three moves in this position).] 47...Rxa7+ 48.Kxa7 g5 49.Rb3??= White needs to do two things: (1) get his king to f3 or f2 stopping the pawn (if necessary along with the rook) (2) have the rook also controlling a square on the pawn's path with the king. White's king won't be making it to f3 in time. [49.Kb7 g4 50.Kc6 Kg5 (50...g3 51.Kd5 g2 52.Rb1 Kg4 53.Ke4 Kg3 54.Ke3 Kh2 55.Kf2 just.51.Kd5 Kf4 52.Kd4 Kf3 53.Kd3 (53.Rf6+; 53.Rb3+ works here53...Kf4 Would you be surprised to learn that *eight* moves here win, and they are all mate in 17!? 54.-- (54.Ra6; 54.Re6; 54.Rf6+; 54.Rg6; 54.Rb4+; 54.Rb7; 54.Rb8; 54.Ke2) ; Meanwhile, 49.Rb8; and 49.Rb7 are also winning.] 49...Kg4 [or 49...g4 draws as well] 50.Kb6 Kf4[] The only move now; the king interferes with White's king's path 51.Kc5 g4[] 52.Rb4+ Kf3[] 53.Kd5 g3[] 54.Rb3+ Kf2 [Here 54...Kf4; and even 54...Kg2 draw] 55.Ke4 g2 56.Rb2+ Kf1 [56...Kg3=; 56...Kg1 57.Kf3 Kh1=] 57.Kf3 g1N+[] 58.Ke3 Nh3 59.Rh2 1/2-1/2

(17) Porlares,Teodoro (1728) - Perlov,Alexander (1724) [B34]
MI Summer TNM: 1600-1999 San Francisco (4.20), 18.06.2019

1.e4 c5 2.Nf3 g6 3.d4 cxd4 4.Nxd4 Nc6 5.Bc4 Bg7 6.Nxc6 bxc6 7.0-0 d6 8.c3 Nf6 9.Qe2 Nxe4 10.Bxf7+ Kxf7 11.Qxe4 d5 12.Qf3+ Bf6 13.Bh6 Bf5 14.Nd2 Bd7 15.Nb3 Re8 16.Nc5 Rb8 17.b4 Kg8 18.Rad1 Qc8 19.h3 Bg7 20.Qe3 e5 21.Bxg7 Kxg7 22.f4 exf4 23.Qd4+ Kg8 24.Qxf4 Bf5 25.g4 Be4 26.Qf7+ Kh8 27.Qf6+ Kg8 28.Qd6 Qd8 29.Nd7 Kg7 30.Qxb8 Qxd7 31.Qf4 h5 32.Qf6+ Kg8 33.g5 Bf5 34.Rde1 Rxe1 35.Rxe1 Be4 36.Rf1 Bf5 37.Qe5 Bxh3 38.Qb8+ Kh7 39.Qg3 Bf5 40.Qe5 1/2-1/2

(18) Papanek,Ella (1997) - Argo,Guy (1884) [A84]
MI Summer TNM: 1600-1999 San Francisco (4.21), 18.06.2019

1.d4 f5 2.c4 e6 3.Nc3 Bb4 4.Bf4 Bxc3+ 5.bxc3 Nf6 6.e3 d6 7.Bd3 Nc6 8.Nf3 Qe7 9.Bg5 e5 10.d5 Nd8 11.Bc2 0-0 12.Qb1 h6 13.Bxf6 Qxf6 14.c5 e4 15.Nd4 dxc5 16.Ne2 b6 17.Qb3 Nf7 18.Nf4 Nd6 19.0-0 g5 20.Ne2 Ba6 21.Rfe1 Bc4 22.Qa4 Bxe2 23.Rxe2 Qxc3 24.Rae1 b5 25.Qa6 c4 26.Qc6 Qg7 27.f3 Qe7 28.Rd2 Rab8 29.fxe4 Rb6 30.Qc5 fxe4 31.Rb1 Re8 32.Rf2 Nb7 33.Qd4 Qe5 34.Qd1 Nd6 35.Qh5 Qg7 36.Rbf1 Rbb8 37.Rf6 Kh7 38.Rf7 Nxf7 39.Rxf7 Re7 1-0

(19) Drury,Mark (1878) - Tamondong,Cesar (1715) [A03]
MI Summer TNM: 1600-1999 San Francisco (4.22), 18.06.2019

1.f4 Nf6 2.Nf3 g6 3.e3 Bg7 4.d4 d5 5.Bd3 b6 6.0-0 0-0 7.Nbd2 Nbd7 8.Qe1 c5 9.c3 Bb7 10.e4 cxd4 11.Nxd4 Nc5 12.Bc2 Nfxe4 13.N2f3 Ba6 14.Ne2 Rc8 15.Be3 Nd3 16.Bxd3 Bxd3 17.Qd1 Ba6 18.Re1 Qd7 19.Ned4 Rfe8 20.Ne5 Qd6 21.Ndf3 f6 22.Ng4 Qd7 23.Nf2 Red8 24.Nxe4 dxe4 25.Qxd7 Rxd7 26.Nd4 Kf7 27.Rad1 f5 28.Rd2 Rcd8 29.Red1 e5 30.fxe5 Bxe5 31.Nc6 Ke6 32.Nxd8+ Rxd8 33.Rxd8 Bd3 34.R8xd3 exd3 35.Rxd3 Bf6 36.Kf2 g5 37.Bd4 Be7 38.Rh3 1-0

(20) Makhanov,Gaziz (1830) - Malykin,Erika (1704) [B34]
MI Summer TNM: 1600-1999 San Francisco (4.23), 18.06.2019

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nxc6 bxc6 6.Qd4 Nf6 7.e5 Qa5+ 8.Bd2 Qd5 9.Qc3 Ne4 10.Qe3 Nxd2 11.Nxd2 Bg7 12.Nf3 Qa5+ 13.c3 Rb8 14.b4 Qb6 15.Qd2 Ba6 16.Be2 Bxe2 17.Qxe2 Qb5 18.Qxb5 Rxb5 19.0-0 Bxe5 20.c4 Bxa1 21.cxb5 Bc3 22.bxc6 dxc6 23.Rc1 Bxb4 24.Rxc6 0-0 25.Rc2 Rd8 26.g3 f6 27.Kg2 Kf7 28.Ng1 h5 29.Ne2 g5 30.h3 Rd2 31.Rxd2 Bxd2 32.Nd4 a5 33.a4 Bc3 34.Nb5 Bb2 35.Kf3 f5 36.h4 gxh4 37.gxh4 Bf6 38.Kg3 f4+ 39.Kxf4 Bxh4 40.f3 Kf6 41.Na3 e5+ 42.Ke4 Be1 43.f4 exf4 44.Kxf4 Bd2+ 45.Kg3 Be1+ 1/2-1/2

(21) Mercado,Adam (1708) - Mohammed,Mansoor (1743) [C56]
MI Summer TNM: 1600-1999 San Francisco (4.24), 18.06.2019
[de Firmian,Nick]

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Nf6 5.e5 d5 6.Bb5 Nd7 7.0-0 Be7 8.e6 fxe6 9.Bxc6 bxc6 10.Nxd4 Nb8 11.Qh5+ g6 12.Qd1 0-0 13.Re1 Bc5 14.Bh6 Qf6 15.Nf3

15...Bxf2+ 16.Kh1 Bxe1 17.Qxe1 Re8 18.Nbd2 e5 19.Bg5 Qg7 20.Qh4 Nd7 21.Rf1 Ba6 22.Bh6 Qf7 23.Rf2 e4 24.Nb3?? [24.Ng5] 24...exf3 [24...e3!] 0-1

(22) Ochoa,Jason (1738) - Cortinas,Marty (1663) [A30]
MI Summer TNM: 1600-1999 San Francisco (4.25), 18.06.2019

1.Nf3 Nf6 2.c4 e6 3.g3 b6 4.Bg2 Bb7 5.0-0 Be7 6.b3 0-0 7.Bb2 c5 8.Nc3 d5 9.cxd5 Nxd5 10.Nxd5 Bxd5 11.d4 cxd4 12.Nxd4 Bxg2 13.Kxg2 Qd5+ 14.Kg1 Nd7 15.Nf3 Nf6 16.Qxd5 Nxd5 17.e4 Nb4 18.Rfd1 Rfd8 19.a3 Nc2 20.Rxd8+ Rxd8 21.Rc1 Nxa3 22.Rc7 Bd6 23.Rxa7 Nb5 24.Rb7 Bc5 25.b4 Nd6 26.Ra7 Bxb4 27.e5 Nf5 28.Ng5 Rf8 29.Ne4 Rc8 30.Kg2 h6 31.g4 Rc4 32.Nf6+ gxf6 33.gxf5 exf5 34.exf6 Bc3 35.Bc1 h5 36.Ra8+ Kh7 37.Be3 b5 38.Rb8 b4 39.Kf3 Kg6 40.Rb6 Bxf6 41.Bd2 Kg7 42.Bxb4 Rc2 43.Bf8+ Kxf8 44.Rxf6 Rc3+ 45.Kg2 Rc5 46.Rh6 f4 47.Rf6 Kg7 48.Rxf4 Kg6 49.h4 Rc3 50.f3 Rc5 51.Kg3 f6 52.Ra4 Rb5 53.Kf4 Rc5 54.Ra8 Rc4+ 55.Kg3 Rb4 56.Rg8+ Kf7 57.Rh8 Kg6 58.Re8 Kf7 59.Re4 Rb5 60.Kf4 Kg6 61.Rd4 Ra5 62.Ke4 Rb5 63.f4 Ra5 64.Rd3 Ra4+ 65.Kf3 Ra5 1/2-1/2

(23) Jones,Charlie (1739) - Bradley,Christopher Nolan (1634) [A43]
MI Summer TNM: 1600-1999 San Francisco (4.27), 18.06.2019

1.d4 Nf6 2.Bf4 c5 3.d5 d6 4.Nc3 g6 5.e4 Bg7 6.Nf3 0-0 7.Be2 Nh5 8.Be3 Nf6 9.Qd2 Ng4 10.Bf4 f5 11.h3 Ne5 12.Rd1 Nxf3+ 13.gxf3 Nd7 14.Bh6 Qe8 15.Bxg7 Kxg7 16.h4 f4 17.Bb5 Ne5 18.Bxe8 Nxf3+ 19.Ke2 Nxd2 20.Bb5 a6 21.Bd3 c4 22.Kxd2 cxd3 23.Kxd3 e5 24.dxe6 Bxe6 25.Nd5 Bxd5 26.exd5 Rac8 27.Rhe1 Rce8 28.Kd4 f3 29.Re6 Rxe6 30.dxe6 Kf6 31.Re1 Ke7 32.Re4 Rf5 33.c4 h5 34.b4 b6 35.a3 a5 36.bxa5 bxa5 37.a4 g5 38.hxg5 Rxg5 39.Rf4 Rg4 40.Rxg4 hxg4 41.Ke4 g3 42.Kxf3 gxf2 43.Kxf2 Kxe6 44.Ke2 Kd7 45.Kd3 Ke7 46.Ke3 Kd7 47.Kd4 Kc7 48.c5 dxc5+ 49.Kxc5 Kb7 50.Kb5 Ka7 51.Kxa5 Kb7 52.Kb5 Ka7 53.a5 Kb7 54.a6+ 1/2-1/2

(24) Newey,Richard (1630) - Yamamoto,Craig (1500) [C66]
MI Summer TNM: 1600-1999 San Francisco (4.28), 18.06.2019

1.e4 Nf6 2.Nc3 e5 3.Nf3 Nc6 4.Bb5 d6 5.d4 exd4 6.Nxd4 Bd7 7.0-0 Be7 8.Be3 a6 9.Nxc6 bxc6 10.Bc4 0-0 11.f3 Be6 12.Qe2 Bxc4 13.Qxc4 c5 14.Rfd1 Qc8 15.e5 dxe5 16.Bxc5 Bxc5+ 17.Qxc5 Re8 18.Nd5 Nxd5 19.Rxd5 f6 20.Rad1 Qb7 21.Rd7 Qb5 22.Qxc7 1-0

(25) Casares,Nick (1603) - Huberts,Alexander (1615) [B06]
MI Summer TNM: 1600-1999 San Francisco (4.29), 18.06.2019

1.e4 g6 2.d4 Bg7 3.f4 c5 4.Nf3 cxd4 5.Bc4 Nc6 6.0-0 d6 7.Nbd2 Nf6 8.Ng5 d5 9.exd5 Nxd5 10.Qf3 e6 11.f5 Ne5 12.Bb5+ Bd7 13.Bxd7+ Qxd7 14.fxe6 Nxf3+ 15.Rxf3 fxe6 16.Nc4 b5 17.Nd2 Rc8 18.Nb3 Rxc2 19.Bd2 h6 20.Ne4 Rf8 21.Nbc5 Qc6 22.Nxe6 Qxe6 23.Re1 Be5 24.Ra3 Rxd2 25.Nxd2 Bxh2+ 0-1

(26) Wang,Sophie (1574) - McKellar,Daniel (1844) [B39]
MI Summer TNM: 1600-1999 San Francisco (4.31), 18.06.2019

1.e4 c5 2.Nf3 g6 3.d4 cxd4 4.Nxd4 Bg7 5.c4 Nc6 6.Be3 Nf6 7.Nc3 Ng4 8.Nxc6 Nxe3 9.Nxd8 Nxd1 10.Rxd1 Kxd8 11.Be2 b6 12.Bg4 h5 13.Be2 Bb7 14.Bd3 Rc8 15.0-0 Bxc3 16.bxc3 Ba6 17.c5 Bxd3 18.Rxd3 Rxc5 19.Rfd1 d6 20.f4 f6 21.g3 Kd7 22.Kf2 Rhc8 23.Rc1 b5 24.Ke2 b4 25.Kd2 Rxc3 26.Rdxc3 Rxc3 27.Rxc3 bxc3+ 28.Kxc3 Kc6 29.Kd4 e6 30.e5 fxe5+ 31.fxe5 d5 32.a4 Kb6 33.h3 Ka5 34.Kc5 Kxa4 35.Kd6 d4 36.Kxe6 d3 37.Kf6 d2 38.e6 d1Q 39.e7 Qd7 40.Kf7 Kb5 41.Kf8 Qf5+ 42.Kg7 Qe6 43.Kf8 Qf6+ 44.Ke8 a5 45.Kd7 Qc6+ 46.Kd8 Kb6 47.e8N a4 48.g4 hxg4 49.hxg4 Qe6 50.g5 Qd5+ 51.Kc8 Qxg5 0-1

(27) Kaplan,Glenn (1568) - Rakonitz,David (1617) [A11]
MI Summer TNM: 1600-1999 San Francisco (4.32), 18.06.2019
[de Firmian,Nick]

1.c4 Nf6 2.Nc3 e6 3.g3 d5 4.cxd5 exd5 5.Bg2 Be7 6.Nf3 Bf5 7.0-0 c6 8.d3 0-0 9.Bf4 Bd6 10.Bg5 h6 11.Bxf6 Qxf6 12.Re1 Re8 13.Qa4 Na6 14.e4 Nc5 15.Qc2 dxe4 16.dxe4 Bh7 17.Nd2 Rad8 18.f4 Qd4+ 19.Kh1 Nd3 20.Rf1 Nf2+ 21.Rxf2 Qxf2 22.Rf1 Qd4 23.f5 Bb4 24.Nf3 Qd3 25.Qb3 Bxc3 26.bxc3 Qb5 27.Qc2 Qc4 28.Re1 Rd3 29.Rc1 Re3 30.Nd2 Qe2 31.Kg1 Rd8 32.Nf1 Qxc2 33.Rxc2 Red3 34.g4 f6 35.Kf2 Kf8 36.Ke2 Bg8 37.Nd2 c5 38.e5 fxe5 39.Bxb7 Rh3 40.Nf1 Bc4+ 41.Ke1 Bxf1 42.Kxf1 Rhd3 43.Ke2 Rh3 44.Kf1 Rdd3 45.c4 Ke7 46.Kg2 Rh4 47.Bf3 e4 48.Re2 Kf7 49.Rxe4 Rd2+ 50.Re2 Rxe2+ 51.Bxe2 Kf6 In the time scramble Black missed wins 1/2-1/2

(28) Sablon,Hadrien - Cohee,Jim (1606) [C41]
MI Summer TNM: 1600-1999 San Francisco (4.34), 18.06.2019
[de Firmian,Nick]

1.e4 e5 2.Nf3 d6 3.d4 exd4 4.Nxd4 Nf6 5.Bg5 Be7 6.Bd3 Nxe4 7.Bxe4 Bxg5 8.Qf3 c6 9.0-0 0-0 10.Qd3 g6 11.f4 d5 12.fxg5 dxe4 13.Qxe4 Qxg5 14.Nc3 Na6 15.Qe1 Nc7 16.Ne4 Qh6 17.Nf6+ Kh8 18.Qe5 Ne6 19.Nd7+ Kg8 20.Nxf8 Qxf8 21.Rad1 Nxd4 22.Rxd4 Be6 23.Qc7 Qc5 24.c3 Qb5 25.Rb4 Qc5+ 26.Kh1 b5 27.a4 Re8 28.axb5 Bd5 29.bxc6

29...Qf2 30.Qxf7+ Bxf7 31.Rg1 0-1

(29) Carron,Joel (1516) - Agdamag,Samuel Zamora (1526) [B01]
MI Summer TNM: 1600-1999 San Francisco (4.35), 18.06.2019

1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.d4 c6 5.Nf3 Bg4 6.Be2 Nf6 7.0-0 e6 8.a3 Bd6 9.h3 Bh5 10.Bd2 Qc7 11.Ne5 Bxe2 12.Qxe2 Bxe5 13.Qxe5 Qxe5 14.dxe5 Nd5 15.Ne4 0-0 16.c4 Nb6 17.b3 N8d7 18.f4 Rfd8 19.Ba5 Rf8 20.Rad1 f5 21.Ng5 Rfe8 22.Rd6 Nf8 23.Rfd1 h6 24.Nf3 Nc8 25.Rd8 Kf7 26.Bb4 Nb6 27.Rxa8 Rxa8 28.Ne1 a5 29.Bc5 Nbd7 30.Bxf8 Nxf8 31.Rd6 Ke7 32.Nd3 Rd8 33.Nc5 Rb8 34.Nd3 Nd7 35.Kf2 Rd8 36.Kf3 g5 37.c5 Rg8 38.g4 fxg4+ 39.hxg4 gxf4 40.Kxf4 Rf8+ 41.Ke4 Rf1 42.b4 axb4 43.axb4 Rg1 44.Nf4 Re1+ 45.Kd4 Nf8 46.Nd3 Rg1 47.Nf2 Rg2 48.Ke3 Ng6 49.Kf3 Rg1 50.Nh3 Nxe5+ 51.Kf4 Ng6+ 52.Kf3 Rh1 53.Nf2 Rf1 54.Kg2 Rb1 55.Rd4 Rb2 56.Kg3 Rb3+ 57.Kh2 Nh4 58.Rf4 Nf3+ 59.Kg2 Nh4+ 60.Kh2 Ng6 61.Re4 Kf6 62.Rd4 Rb2 63.Kg3 Ke7 64.Ne4 Rb3+ 65.Kf2 e5 66.Rd6 Rxb4 67.Rxg6 Rxe4 68.Kf3 Rf4+ 69.Kg3 Rf6 70.Rg7+ Ke6 71.Rxb7 Kd5 72.Rd7+ Kxc5 73.Re7 Kd4 74.Rd7+ Ke3 75.Rd1 c5 76.Rd5 c4 77.Rxe5+ Kd2 78.Ra5 c3 0-1

(30) Mays,Jerry (1700) - Boldi,Nicholas (1631) [C06]
MI Summer TNM: 1600-1999 San Francisco (4.36), 18.06.2019
[de Firmian,Nick]

1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 Nc6 7.Ne2 Be7 8.Bc2 Qc7 9.a3 0-0 10.0-0 cxd4 11.cxd4 f6 12.f4 Qd8 13.Nf3 fxe5 14.dxe5 Qb6+ 15.Kh1 Nc5 16.b4 Ne4 17.Ned4 Bd7 18.Be3 Qc7 19.Rc1 Nc3 20.Qd3 Ne4 21.Nd2 Nxd4 22.Bxd4 Bc6 23.Qh3 Qd7 24.Nxe4 dxe4 25.Rfd1 Bd5 26.Be3 Qb5 27.Qg4 Rac8 28.Bxe4! Rxc1 29.Rxc1 Bxe4 30.Qxe6+ Rf7 31.Rc8+ Bf8 32.Rxf8+! [32.Bc5?? Qf1+] 32...Kxf8 33.Bc5+ Qxc5 34.bxc5 Re7 35.Qc8+ Kf7 36.Qg4 a6 37.Qh5+ Bg6 38.Qg5 h6 39.Qg4 Be4 40.Qh5+ Bg6 41.Qg4 Be4 42.f5 Rxe5 43.Qg6+ Kf8 44.f6?? Bxg6 Tragedy! A terrific game by Jerry otherwise. 0-1

(31) Starr,Albert (1545) - Fernicola,Michael (1554) [A00]
MI Summer TNM: U1600 San Francisco (4.37), 18.06.2019

1.b4 d5 2.e3 Nf6 3.Bb2 Bg4 4.Be2 Bxe2 5.Nxe2 e6 6.b5 Bd6 7.0-0 0-0 8.d3 c5 9.c4 dxc4 10.dxc4 Qe7 11.Nbc3 Rd8 12.Qc2 Nbd7 13.Ne4 Nxe4 14.Qxe4 Nf6 15.Bxf6 gxf6 16.f4 Kh8 17.a4 Rg8 18.a5 Rg7 19.a6 Rag8 20.Ng3 b6 21.Qb7 Qxb7 22.axb7 Bb8 23.Rf2 Rd8 24.Ne4 f5 25.Rd2 Rxd2 26.Nxd2 f6 27.Kf1 Rxb7 28.g3 Rd7 29.Ke2 Kg7 30.e4 fxe4 31.Nxe4 Rd4 32.Nd2 Kg6 33.Re1 e5 34.Kd1 exf4 35.g4 Kg5 36.h3 Rd3 37.Kc2 Rxh3 38.Ne4+ Kg6 39.Nc3 Rg3 40.Re8 Be5 41.Nd5 Rxg4 42.Re7 f3 43.Ne3 f2 44.Nxg4 f1Q 45.Nxe5+ fxe5 46.Kc3 Qf3+ 47.Kb2 e4 48.Rxa7 Qe2+ 49.Kb1 Qxc4 0-1

(32) Olson,David (1400) - Simpkins,Jerry (1505) [A10]
MI Summer TNM: U1600 San Francisco (4.38), 18.06.2019

1.Nf3 f5 2.c4 d6 3.d4 Nc6 4.g3 e6 5.Bg2 Bd7 6.0-0 e5 7.d5 Nce7 8.Ng5 Ng6 9.Nc3 Be7 10.Ne6 Bxe6 11.dxe6 c6 12.Nb5 cxb5 13.Bxb7 Rb8 14.Bc6+ Kf8 15.Bxb5 Nf6 16.f3 f4 17.gxf4 exf4 18.Qd4 d5 19.Qxa7 Qc8 20.b3 Bc5+ 21.Qxc5+ Qxc5+ 22.Kh1 Rxb5 23.a4 Rxb3 24.a5 dxc4 25.a6 Ke7 0-1

(33) Sachs-Weintraub,Julian (1416) - Rousso,Gregory [C02]
MI Summer TNM: U1600 San Francisco (4.39), 18.06.2019

1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Bb5 Bd7 6.Nf3 Nge7 7.Bg5 Nxe5 8.Bxd7+ Nxd7 9.0-0 Qb6 10.b3 Nf5 11.dxc5 Bxc5 12.b4 Bd6 13.Re1 0-0 14.Nbd2 Rac8 15.Rc1 a5 16.a3 axb4 17.axb4 h6 18.Be3 Nxe3 19.Rxe3 Nf6 20.Ne5 Qc7 21.Ndf3 Bxb4 22.Qb3 Bc5 23.Ree1 Ne4 24.Re2 Bd6 25.Ng4 Bf4 26.Ne3 Rfd8 27.Rec2 Bxe3 28.fxe3 Qc5 29.c4 d4 30.exd4 Rxd4 31.Nxd4 Qxd4+ 32.Kh1 Nf2+ 33.Rxf2 Qxf2 34.Qxb7 Rd8 35.c5 Qxc5 36.Rf1 Qf8 37.h3 Re8 38.Qb1 e5 39.Qc1 e4 40.Qe3 Qe7 41.Rf4 g5 42.Rg4 f5 43.Qb3+ Qf7 44.Qxf7+ Kxf7 45.Rg3 e3 46.Kg1 e2 0-1

(34) Barreyro,Romeo - Cole,Tony (1400) [D02]
MI Summer TNM: U1600 San Francisco (4.40), 18.06.2019
[de Firmian,Nick]

1.d4 e6 2.Bf4 Nc6 3.Nf3 Nf6 4.e3 d5 5.c3 Qd7 6.Bd3 Bd6 7.Bg3 0-0 8.Qc2 e5 9.dxe5 Nxe5 10.Nxe5 Bxe5 11.Bxe5 Qg4 12.0-0 Qh4 13.Bxf6 gxf6 14.Nd2 Kh8 15.Nf3 Qh5 16.Nd4 Rg8 17.g3 Bh3 18.Rfe1 Rg5 19.f4 Rg7 20.Bf5 c5 21.Bxh3 Qxh3 22.Nf5 Rg4 23.Rad1 h5 24.Rxd5 h4 25.Qg2 Qxg2+ 26.Kxg2 Kh7 27.Rxc5 White won on move 51. 1-0

(35) Ross,Max (1574) - Baer,Michael (1397) [A48]
MI Summer TNM: U1600 San Francisco (4.41), 18.06.2019
[de Firmian,Nick]

1.d4 Nf6 2.e3 g6 3.Bd3 Bg7 4.Nf3 d6 5.Nbd2 0-0 6.0-0 Nbd7 7.b3 e5 8.Bb2 Re8 9.e4 Nh5 10.g3 [10.Re1; 10.dxe5 Nxe5 11.Nxe5 Bxe5 12.Bxe5 dxe5 13.Qf3 Qg5 14.Nc4=] 10...Nb6 11.d5 Nd7 12.b4 a6 13.a4 Rf8 [13...a5!] 14.c4 [14.a5!] 14...Nhf6 [14...a5!] 15.Qc2 [15.Nb3!] 15...c5 [15...a5!] 16.dxc6 bxc6 17.Rac1 [17.c5!+/-] 17...c5 18.Ba3 Bb7 19.Nb3 Qc7 [19...cxb4 20.Bxb4 Qb6] 20.bxc5 Nxc5 21.Nxc5 dxc5 22.Rfe1 Nd7 23.Rb1 Bc6 24.Qd1 Qa5 25.Bc2 Rab8 26.Rxb8 [26.Qd2] 26...Rxb8 27.Qd6 [27.Qd2] 27...Rb6 [27...Bxa4! 28.Bxa4 Qxa4 29.Bc1 Rb6-/+] 28.Qc7 Bf8 29.Ra1?? [29.Bb2!=] 29...Qc3 30.Rb1

30...Rxb1+ [30...Qxc2 31.Rxb6 Qd1+ 32.Kg2 Bxe4] 31.Bxb1 Qxf3 32.Qxc6 Qxa3 33.Qxd7 Qc1+ 34.Kg2 Qxb1 35.Qc6 a5 36.Qd5 Qb4 37.Qxe5 Qxc4 38.Qd5 Qxa4 39.e5 Qd4 40.Qxd4 cxd4 41.Kf3 a4 0-1

(36) Hansen,Mateo (1566) - Tobiason,Wolfgang (1380) [B01]
MI Summer TNM: U1600 San Francisco (4.42), 18.06.2019
[de Firmian,Nick]

1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.Nf3 Bg4 5.h3 Bh5 6.Be2 Nd7 7.d4 c6 8.Bd2 Qb6 9.Na4 Qc7 10.0-0 e6 11.c4 Ngf6 12.Ne5 Nxe5 13.Bxh5 Nxc4 14.Be2 Nxd2 15.Qxd2 0-0-0 16.Rfd1 e5 17.Qc3 exd4 18.Rxd4 Rxd4 19.Qxd4 Kb8 20.b4 Bd6 21.Rc1 Qd7 22.Kh1 Be7 23.Qxd7 Nxd7 24.b5 cxb5 25.Bxb5 Ne5 26.Re1 f6 27.f4 Ng6 28.Re6 Bb4 29.Re4 Bd6 30.g3 a6 31.Re8+ Rxe8 32.Bxe8 Ne7 33.Kg2 Kc7 34.Kf3 Nf5 35.g4 Nh4+ 36.Kg3 g5 37.Nc3 Bxf4+ 38.Kf2 Kd8 39.Bf7 Ke7 40.Bg8 h6 41.Bd5 Be5 42.Ne4 b6 43.Bb7 a5 44.Nd2 Ng6 45.Nc4 Scoresheet unreadable; 0-1 around 80 1-0

(37) James,Charles (1404) - Chambers,Don (1291) [D08]
MI Summer TNM: U1600 San Francisco (4.44), 18.06.2019

1.d4 d5 2.c4 e5 3.dxe5 d4 4.Nf3 Nc6 5.a3 a5 6.e3 Bc5 7.Bd3 Nh6 8.h3 Nf5 9.e4 Nh4 10.Nxh4 Qxh4 11.g3 Qe7 12.f4 0-0 13.Nd2 Nxe5 14.fxe5 Qxe5 15.Qf3 Re8 16.Nb3 Bd6 17.Bf4 Qe6 18.Nxd4 Qf6 19.Bxd6 Qxd4 20.Bxc7 Qxb2 21.Qd1 f5 22.0-0 fxe4 23.Bxe4 Bxh3 24.Rf2 Qc3 25.Bd5+ Kh8 26.Bb6 Qxg3+ 27.Bg2 Rf8 28.Raa2 Bg4 29.Qe1 Rae8 30.Rxf8+ Rxf8 31.Qxg3 h5 32.Rd2 Rc8 33.c5 g6 34.Rd7 Bxd7 35.Qxg6 Bg4 36.Qh6+ Kg8 37.Bd5+ 1-0

(38) Reed,Nicholas Xavier (1320) - Allen,Tom (1400) [C54]
MI Summer TNM: U1600 San Francisco (4.45), 18.06.2019

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Bc5 5.c3 Nf6 6.cxd4 Bb4+ 7.Bd2 Bxd2+ 8.Nbxd2 0-0 9.0-0 d6 10.Rc1 Bg4 11.Qc2 d5 12.exd5 Nxd5 13.a3 Nce7 14.Qb3 Rb8 15.Rfe1 c6 16.Ne5 Be6 17.Qf3 Nf5 18.Nb3 f6 19.Nd3 Qd6 20.Nbc5 Nxd4 21.Qe4 b5 22.Qxd4 bxc4 23.Rxe6 Qc7 24.Qxc4 Qf7 25.Rc3 1-0

(39) Reyes,Victor Hugo (1282) - Fu,Eric (1339) [D00]
MI Summer TNM: U1600 San Francisco (4.46), 18.06.2019
[de Firmian,Nick]

1.d4 d5 2.e3 Nf6 3.f4 Bf5 4.Bd3 Bg6 5.Nf3 e6 6.c3 a6 7.0-0 c5 8.Ne5 Nbd7 9.Nxg6 hxg6 10.Bd2 Qc7 11.Be1 Bd6 12.Nd2 0-0-0 13.Rc1 c4 14.Be2 g5 15.Bg3 g6 16.b3 Nb6 17.Qe1 Nh5 18.Bxh5 Rxh5 19.Qe2 gxf4 20.exf4 f5 21.Qxe6+ Qd7 22.Qxg6 Rh7 23.Rce1 Rg7 24.Qe6 Kc7 25.Qxd7+ Rdxd7 26.Re6 Rg4 27.Rf6 Re7 28.Re1

28...Nc8?? [28...Rxg3! 29.Rxe7+ Bxe7 30.Rf7 Re3 31.Kf2 Re6 32.g4= (32.Rxf5=) 29.Rxf5?? [29.Rxe7+ Nxe7 30.bxc4+-] 29...Rxe1+?? [29...Rxg3! 30.Rxe7+ Nxe7 31.hxg3 Nxf5 32.Kf2 Bb4! 33.Nb1! cxb3 34.axb3 Bf8=/+] 30.Bxe1 Bxf4 31.bxc4 Bxd2 32.Bxd2 Ne7 33.Rf7 Kd6 34.Rf6+ Kd7 35.g3 dxc4 36.Bf4 Nc8 37.d5 Ke7 38.Rh6 Rg7 39.Rh8 Nd6 40.Be5 Rf7 41.Kg2 Ne8 42.Rh6 Kd7 43.Rb6 Kc8 44.Rh6 Re7 45.Re6 Rxe6 46.dxe6 Kd8 47.h4 Ke7 48.Kf3 Kxe6 49.Kf4 Nf6 50.Bxf6 Kxf6 51.g4 b5 52.g5+ Kg6 53.Ke4 a5 54.a3 1-0

(40) Bryan,Robert (421) - Fu,Andrew (1161) [C00]
MI Summer TNM: U1600 San Francisco (4.47), 18.06.2019

1.e4 Nc6 2.Nf3 e6 3.Bb5 Nge7 4.0-0 a6 5.Ba4 d5 6.Nc3 Bd7 7.d3 Na5 8.Bb3 h6 9.Re1 Ng6 10.exd5 Nxb3 11.cxb3 Be7 12.Re2 c6 13.a4 cxd5 14.h4 Kf8 15.Nd4 Bxh4 16.g3 Bxg3 17.fxg3 h5 18.a5 h4 19.Re3 hxg3 20.Rxg3 Qh4 21.Kf2 Qxd4+ 22.Be3 Rh2+ 23.Rg2 Qh4+ 24.Kf3 Qh3+ 25.Ke2 Qxg2+ 26.Bf2 Qxf2# 0-1

(41) Gulbis,Andrew - White,Andrew Robbins (899) [D07]
MI Summer TNM: U1600 San Francisco (4.48), 18.06.2019

1.d4 d5 2.c4 e6 3.Nf3 Nc6 4.b3 Bd6 5.Be3 Nge7 6.Nbd2 f5 7.c5 f4 8.cxd6 fxe3 9.dxe7 exd2+ 10.Qxd2 Qxe7 11.e3 Qb4 12.Qxb4 Nxb4 13.Rc1 c6 14.a3 Na2 15.Rc2 Nb4 16.axb4 b5 17.Ne5 Bb7 18.Bd3 a5 19.Ra2 a4 20.0-0 0-0 21.e4 axb3 22.Rxa8 Rxa8 23.exd5 b2 24.dxc6 Bxc6 25.Nxc6 Kh8 26.Na5 Rc8 27.Nb3 Rc3 28.Nc5 Rc1 29.Nb3 Rc3 30.Rb1 Rxb3 31.Bxb5 Rxb4 32.Bd3 g6 33.f4 Rxd4 34.Bc2 Rb4 1/2-1/2

(42) Ahrens,Richard (1040) - Capdeville,Barry (1239) [D37]
MI Summer TNM: U1600 San Francisco (4.50), 18.06.2019
[de Firmian,Nick]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Be7 5.e3 0-0 6.Be2 Re8 7.0-0 Nbd7 8.Bd2 Nf8 9.Qc2 b6 10.a4 Bb7 11.b3 Bb4 12.Ne5 Bxc3 13.Bxc3 Ne4 14.Bb2 c6 15.Bh5 g6 16.Bf3 Nd6 17.c5 Nf5 18.e4 Ng7 19.Ng4 Nd7 20.e5 Nf5 21.Qd2 Qe7 22.Nh6+ Nxh6 23.Qxh6 Qf8 24.Qxf8+ Rxf8 25.b4 a6 26.h4 h6 27.Bc1 Kg7 28.Be2 b5 29.a5 f6 30.f4 fxe5 31.fxe5 Rxf1+ 32.Kxf1 Rf8+ 33.Kg1 Rh8 34.Be3 Nf8 35.Rf1 Bc8 36.g4 Bd7 37.Kg2 Be8 38.Kg3 Nh7 39.Rf3 Rf8 40.g5 h5 41.Rf4 Rxf4 42.Kxf4 Nf8 1/2-1/2

(43) Parekh,Raj - Abdi,Mehron (1136) [C47]
MI Summer TNM: U1600 San Francisco (4.53), 18.06.2019
[de Firmian,Nick]

1.e4 Nf6 2.Nc3 e5 3.Nf3 Nc6 4.Ng5 h6 5.Nf3 d5 6.exd5 Nxd5 7.Nxd5 Qxd5 8.c3 e4 9.Nd4 Nxd4 10.cxd4 Qxd4 11.f3 Bc5 12.Qe2 f5 13.h4 Bb4 14.a3 Bxa3 15.Rxa3 g5 16.hxg5 hxg5 17.Rxh8+ Qxh8 18.fxe4 f4 19.Qb5+ Bd7 20.Qxg5 Qf8 21.Bc4 Qh8 22.Rh3 Bxh3 23.gxh3 Here Black castled. Illegally. And went on to win! On move 60 or so. 0-1

(44) Radaelli,Lucas - Badgett,James (1119) [D13]
MI Summer TNM: U1600 San Francisco (4.54), 18.06.2019

1.d4 d5 2.c4 c6 3.Nc3 e6 4.Nf3 Nf6 5.Bg5 Be7 6.e3 Nbd7 7.cxd5 cxd5 8.Bd3 a6 9.0-0 h6 10.Bf4 Nh5 11.Be5 Nxe5 12.Nxe5 Nf6 13.Qb3 Qc7 14.Rac1 Qd6 15.Rc2 0-0 16.Rfc1 Qb4 17.Qxb4 Bxb4 18.Ne2 Bd6 19.Nf3 Re8 20.h3 Bd7 21.Ne5 Bb5 22.Bxb5 axb5 23.b3 Bxe5 24.dxe5 Nd7 25.f4 Nf8 26.Nd4 b4 27.Nb5 Red8 28.Nd6 Rab8 29.Rc7 b6 30.Rc8 f6 31.Rxb8 Rxb8 32.exf6 gxf6 33.Rc8 Rxc8 34.Nxc8 Ng6 35.Nxb6 Nh4 36.Kf2 Kg7 37.g4 Kf7 38.f5 Ke7 39.Kg3 Nxf5+ 40.gxf5 Kd6 41.Kf4 e5+ 42.Kg4 Kc5 43.Nd7+ Kd6 44.Nxf6 d4 45.exd4 exd4 46.Ne4+ Ke5 47.Kh5 d3 48.Kxh6 d2 49.Nxd2 Kxf5 50.h4 Ke5 51.h5 Kd4 52.Kh7 Kc3 53.h6 Kxd2 54.Kg7 Kc2 55.h7 Kb2 56.h8Q Ka3 57.Qb8 1-0

(45) Wang,Robert (1101) - Geiersbach,Christopher [B08]
MI Summer TNM: U1600 San Francisco (4.55), 18.06.2019

1.e4 d6 2.Nc3 Nf6 3.Nf3 g6 4.Bc4 Bg7 5.d4 0-0 6.0-0 c6 7.Re1 b5 8.Bb3 Nbd7 9.Bf4 Bb7 10.e5 dxe5 11.dxe5 Nh5 12.Bg3 Nxg3 13.hxg3 e6 14.Qd6 Re8 15.Rad1 Re7 16.Ne4 Qf8 17.Qd4 f6 18.Bxe6+ Rxe6 19.Qxd7 Re7 20.Qh3 fxe5 21.Neg5 Bf6 22.Rd7 Bc8 23.Ne6 Bxd7 0-1

(46) Mayer,Carson - Cowgill,Jackie (1005) [C47]
MI Summer TNM: U1600 San Francisco (4.56), 18.06.2019

1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Nxe5 Nxe5 5.d4 Ng6 6.e5 Ng8 7.Bc4 Bb4 8.0-0 N8e7 9.Ne4 d5 10.a3 Ba5 11.b4 Bb6 12.a4 dxc4 13.c3 a6 14.a5 Ba7 15.Bg5 0-0 16.Qe2 Qd5 17.Nd2 Be6 18.Rfe1 Rfe8 19.Rac1 b6 20.b5 Qxb5 21.Rb1 Qd5 22.axb6 cxb6 23.Nf3 h6 24.Bh4 Nf5 25.g3 Nfxh4 26.Nxh4 Nxh4 27.gxh4 Bd7 28.f3 b5 29.Rf1 Bf5 30.Qg2 Bxb1 0-1

(47) Anderson,David - Sullivan,George (979) [C55]
MI Summer TNM: U1600 San Francisco (4.57), 18.06.2019

1.e4 e5 2.Nf3 Nc6 3.Bc4 d6 4.d3 h6 5.c3 Nf6 6.Be3 a6 7.Nbd2 b5 8.Bb3 d5 9.d4 exd4 10.cxd4 dxe4 11.Ne5 Nxe5 12.dxe5 Ng4 13.Nxe4 Qxd1+ 14.Rxd1 Nxe5 15.0-0 Be7 16.Bd5 c6 17.f4 cxd5 18.Rxd5 Nc6 19.Rc1 Nb4 20.Re5 Be6 21.f5 Nd3 22.fxe6 Nxe5 23.Bd4 f6 24.h4 0-0 25.Rc7 Rfe8 26.Ng3 Kf8 27.Nf5 Rac8 28.Ra7 Rc6 29.Nxe7 Rxe7 0-1

(48) Serra,Owen (739) - Daniels,Leverette [C50]
MI Summer TNM: U1600 San Francisco (4.58), 18.06.2019

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.d3 Nf6 5.Bg5 d6 6.h3 Be6 7.Bxe6 fxe6 8.0-0 0-0 9.Nc3 h6 10.Bh4 Nd4 11.Re1 Nxf3+ 12.Qxf3 Qe7 13.Na4 Rae8 14.Nxc5 dxc5 15.Rad1 g5 16.Bg3 Nd7 17.Qh5 Qg7 18.Re3 Nf6 19.Qe2 Nd7 20.h4 gxh4 21.Bxh4 Kh7 22.Rg3 Qf7 23.Rf1 Rg8 24.Qe3 Rxg3 25.Qxg3 Qg6 26.Re1 Qxg3 27.Bxg3 Kg6 28.Re3 Rf8 29.Bh4 Rf4 30.Rg3+ Kh5 31.Bd8 Rg4 32.Rf3 c6 33.Rf7 Nb6 34.Bxb6 axb6 35.Rxb7 b5 36.Rb6 c4 37.Rxc6 cxd3 38.cxd3 Rg6 39.Rc5 b4 40.Rxe5+ Rg5 41.Rxe6 Ra5 42.Rb6 Ra4 43.e5 Rxa2 44.Rxb4 Ra1+ 45.Kh2 Re1 46.d4 Re4 47.g3 Kg4 48.Rb6 Rxd4 49.Rxh6 Kf3 50.e6 Rd8 51.Rf6+ Ke4 52.e7 Re8 53.Rf7 Ke5 54.b4 Ke6 55.Rh7 Kd7 56.Kg2 Kc6 57.f4 Kd6 58.b5 Ke6 59.b6 Kf5 60.Rf7+ Kg4 61.b7 Rb8 62.Rf8 Rxb7 63.Rg8+ Kf5 64.e8Q Rb2+ 65.Kh3 Rh2+ 66.Kxh2 Kf6 67.Qe5+ Kf7 68.Re8 Kg6 69.Rd8 Kf7 70.Qa5 Ke6 71.Rb8 Kd7 72.Rb6 Ke7 73.Qa7+ Kf8 74.Rb8# 1-0

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