Chess Room Newsletter #902 | Mechanics' Institute

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Chess Room Newsletter #902

Gens Una Sumus!


Newsletter #902

Jan 24, 2020

By Abel Talamantez

Table of Contents

2020 Max Wilkerson Memorial TNM Round 3! 

Clear Leaders in Championship and A/B Sections After 2 Rounds. 5 players Remain Perfect in Stacked u/1600 Section

The third round of the Max Wilkerson Memorial Tuesday Night Marathon has clear leaders in the first two sections. However, it may only be for the moment, as many strong contenders have four more rounds to make moves for a share of the prize. In the u/1600 section, five players are 3-0 after the night's action. Even with 47 players in that section, it looks like we may have a clear prize winner when it is all over.

In the Championship section, it was a battle of some of the best kids in the bay as UC Berkeley freshman Josiah Stearman (Go Bears!) had white against 12-year old phenom Rui Yang Yan, the 2019 World Cadet u/12 girls bronze medalist. After a game where Stearman put a lot of pressure but Rui seemed to stabilize, a blunder on move 42..Rxf3 led to her losing the game and Stearman alone in clear first at 3/3. On board 2, FM Kyron Griffith and IM Elliott Winslow played to a draw after Kyron was able to hold what was a lost rook and pawn endgame. As with endgames, one single move can mean the difference between a win and a draw, and such was the case here after Winslow played 53. Rg1+. This draw puts both players at 2.5/3 for the tournament. 

NM Rui Yang Yan in her traditional pink hoodie 

The other story we have been following in the Championship section is another 12-year old, Nicholas Weng. He had a terrific start to his TNM career with two big wins, but he finally got upended by veteran Mechanics' player David Askin in a very sharp game that included clever finishing technique. Askin also sits at 2.5/3 while Weng is at 2/3. 

These games can be viewed at the end of this newsletter and can also be viewed online by following the Chess24 link here:

In the A/B section, Bruce Ricard stands alone on top with 3/3 after his victory over Gagik Babayan. The position looked fairly harmless until Babayan blundered a pawn on move 20, then compounded the error the very next move by blundering the exchange. Four very tough players are close behind at 2.5/3 including Rudolph Breedt, Adam Mercado, Nicholas LaTourette, and Bob Drane. 

View from the left side of the chess run during the TNM

In the u/1600 section, Ilia Gimelfarb used nice tactics to get a relatively quick win against Ivan Rothman and stary perfect with 3/3. Also winning and remaining perfect were Jahaan Ansari, Eitan Neugut, Charles James and Julian Sachs-Weintraub. 

We also had a very special guest for our commentary helping out Paul, IM Kostya Kavutskiy! The pair made a great commentary duo, and I think it would bode well for the chess community to see these two again in the future bringing the games to life over the internet.

IM Kostya Kavutskiy and FM Paul Whitehead provided amazing commentary for the third round

It is never too late to join the marathon! To register, please email us: [email protected]

To watch the replay of round 3 coverage with commentary, please follow this link here

For a full list of standings and results from the round, click here

2019 FIDE Botvinik Award and 2019 Neil Falconer Award Presentation at Feb 4 Tuesday Night Marathon!

We will have a truly special evening of chess on Tuesday February 4th, 2020, as we will be honoring two important achievements, one for longevity and commitment to service in training and coaching, the other for the future of American chess in the beginning stages of great things to come. 

We will present the 2019 FIDE Botvinik Award trophy to IM John Donaldson, legendary Chess Director of the Mechanics' Institute and Captain of the U.S. Olympiad team. After that, we will present the 2019 Neil Falconer award to this years recepient IM Christopher Yoo! The Falconer award is given to the highest USCF rated player under 18 years old, which Christopher earned this year (at 13 years old) with a rating of 2531. He will be given a check for $2531 on that Tuesday. We plan to start the award presentations at 6pm, right before the start of round 5 of the TNM.

IM John Donaldson

Christopher Yoo has also agreed to join the broadcast as guest commentator that evening along with FM Paul Whitehead and FM Jim Eade, who will also be in attendance. It will be a terrific evening, and surely an entertaining broadcast. 

IM Christopher Yoo

Neil Falconer was a former Mechanics' Institute Trustee, Board President, and was influential in preserving the chess room as a part of the Mechanics' Institute. He was profoundly influential in promoting and supporting chess at the Mechanics' Institute, and he started this award in 1999, benefitting many top players of the future, including Sam Shankland, Daniel Naroditsky and many others. To read a great article about Neil Falconer in Chess Life Online, please click on this link

To read an article on Donaldson's Botvinik award in US Chess Online, please follow this link

Join us that evening to celebrate their achievements, either live at the club or online through our broadcast here

Brilliancy Prize Reminder

We received many responses to the artile about brilliancy prizes, something that was a very common thing when I played competitive chess many years ago. We have thus decided to offer 2 monthly brilliancy prizes, and these can be games from any event in that month provided that it be a rated event and that there is a complete notation of the game. These prizes will come in the form of choice of book from our in office chess library and we will publish the games in our newsletter with annotations by GM Nick de Firmian. 

If you would like to submit a game for consideration, please turn in the scoresheet to us and mark "brilliancy" on top of the coresheet, that way we know it is submitted for consideration. Games from any rated tournament at Mechanics' in January will count for the January prize. We will also be making reminder announcements at upcoming events.

We hope this adds a fun element to playing games, and encourages bold and exciting action. Good luck!

Wednesday Night Blitz Report

Dexter Pacheco and Andy Trattner tied for 1st and 2nd places in the January 22nd edition of the Wednesday Night Blitz with 5 - 1 scores. Tied for 3rd Place with 4 - 2 apiece were Felix German and Jeff Sinick. Director Jelinek was unable to add to his recent string of victories, finishing with 3 points. Ten players battled it out in this always fun and unrated event. We are taking a break until March 4th - join us then!

Chess Titles - What to do with them?
Tournament Director's Corner
by Dr. Judit Sztaray

Many players are proud of their achieved chess titles, whether it’s norm based or not. As they should be!

As an organizer, it’s an interesting topic and decision to make: what titles to display in the tournament standings, and what titles we should omit?
There are some obvious ones of course: GM, WGM, IM, WIM – these are hard earned, norm-based, international titles that absolutely should always be displayed! I think we are all on the same page on this one.

Then there are two groups: the international, FIDE titles and the national, USCF titles. Both categories are not norm-based, but rating based titles, meaning if a player achieves a certain rating, the title automatically awarded him/her.

FIDE: Fide Master (FM) – min FIDE 2300, Candidate Master (CM) – min FIDE 2200, Women Fide Master (WFM), Women Candidate Master (WCM).

USCF: Senior Master (SM) – min USCF 2400, Life Master (OLM) – min USCF 2200, National Master/Master (NM) – min USCF 2200, Candidate Master (CM) – min USCF 2000.

The confusing title, as you can all probably see, is the CM title. If a player is listed as CM, it can mean two different things, as it’s used both in the FIDE and in the USCF categories, with very different criteria.

The big question is: should an organizer display these titles? and if the tournament begin USCF only, or both USCF and FIDE rated should change the answer to the first question at all?
I’ve posted this question to my fellow organizers across the country: and the main consensus is mostly that only those titles should be displayed that a player receives a certificate. Which is, to the best of my knowledge, for USCF is LM, SM, NM and for FIDE is GM, WGM, IM, WGM, FM.
We could also go with the only norm based titles of course, which is the official stand for the FIDE rated tournaments across the US and around the world.
From a parent/coach/player’s perspective however, every single title is an important achievement. So why leave it off? Does it hurt others if we display the titles?

What do you think? What shall we do here at Mechanics’? Any opinions or suggestions, email us to [email protected]!

More information:


FM Paul Whitehead's Column

Paul will resume his column next week after a well deserved break!


Tony's Teasers

Last week's problem:

Solution: 1. Qxh4!!  Kxd6  2. Kb7  Kd7  3. Qb4  Kd8  4. Qd6#

This weeks problem:

White to move and mate in 3, B. Harley 1932

Scholastic Chess

Report on the First Scholastic Swiss of the Year - Jan 18, 2020

15 players came down on the MLK weekend's Saturday to play in the first Scholastic Swiss tournament. Congratulations to Section winners: Kian and Kevin to tie to win the 700+ section with 3.5 point. In the u700 section William Fitzgerald shined with also 3.5 point, taking home the first place trophy! The day was made extra with a special birthday celebraton of our amazing volunteer: Ken Fong!  Thank you Ken, for all you do for Mechanics' and our Scholastic chess programs!!!


Second Scholastic Swiss tournament of 2020
Tomorrow, SUNDAY, January 26  - New start time: 11AM

& Special Team competition parallel to the normal Scholsatic Swiss - pick and choose which one you want!

3 sections: 700+, 400-699, and under400
First round: 11AM and then rolling schedule
Prizes: Trophies to Top 5 trophies, medals to all others!
Ideal for new tournment players - notation and use of clock is not neccessary!
Register - More information

Save the Dates

  • 2020 US Amateur Team West Nationals - Kids Championship
    Saturday, February 15, 2020 @ Hyatt Regency Burlingame
    Information - Registration



GM Nick de Firmian's Column

Nick is currently on vacation and the column will resume upon his return!


2020 Wilkerson Memorial TNM Games Round 3

Annotations by IM Elliott Winslow


(1) Stearman,Josiah Paul (2445) - Yan,Ruiyang (2221) [B23]
Wilkerson TNM: 2000+ San Francisco (3.1), 21.01.2020

1.e4 c5 2.Nc3 d6 3.Bb5+ Pretty rare with the knight on c3 instead of 2.Nf3. .. 3...Bd7 4.Bxd7+ [4.a4!?] 4...Qxd7 5.d4 [5.f4 backs into some sort of Grand Prix attack.] 5...cxd4 6.Qxd4 Nc6 7.Qd3 e6 [7...g6 was played a couple times, keeping the d-pawn more solidly defended.] 8.Nf3 Nf6 9.Bf4 Be7 10.0-0-0 Rd8 11.Qe2 0-0 [11...Qc8!? 12.Nb5 Qb8 when 13.e5 is maybe less disruptive: 13...dxe5 14.Nxe5 Nd5 15.Bg3 (15.Rxd5? Rxd5 16.Ng6 Bg5!!-+) 15...Qc8=] 12.e5 Ne8 13.h4 At least White went and traded off his light-squared bishop, or Black would be in serious trouble. 13...f6?! An over-reaction. [13...Qc8 or; 13...a6] 14.Rhe1!? fxe5 15.Bxe5 Nxe5 16.Nxe5 Qc8 17.Nf3 Black's "little hanging pawns" will be an ongoing target. 17...Nc7 18.Rd3 [18.Ng5!? to induce further pawn weaknesses via 19.Qd3...] 18...Bf6?! The new Stockfish 11 can't make up its mind which pawn move Black should do, but it's something. 19.g4? [19.Ne4! Nd5 20.g3] 19...Qd7?! [19...e5!?; 19...b5!?] 20.Ne4 Nd5 21.Qd2 Rc8 22.h5 Odd! 22...Qa4 [22...Be7 to send the knight into f4] 23.Ra3 Qb5? 24.Rb3 [24.Nxf6+ Rxf6 25.Nd4] 24...Qa6 25.Kb1+-


Black's queen is unemployed on a6. 25...Be5?! 26.Nxe5! dxe5 27.h6! g6 Danger on g7 is going to be there all game. 28.Qg5 [28.Ng5!?] 28...Qc4 29.c3?! [29.Qd2] 29...Qc7 30.Rb5 b6 31.a3 a6 32.Rb3 Rf7 33.Ka2 This has not been progress. 33...Rcf8? [33...b5!=] 34.c4! Ne7 [34...Qxc4 35.Qxe5 Re7 36.Rd1] 35.Ree3 Nc6 36.c5 bxc5?!


[36...b5 37.Nd6 Rxf2 38.Rxe5] 37.Nxc5? [37.Rec3+- and take with the rook 37...Rf4 38.Rxc5! Rxe4 39.Rxc6! Qxc6 40.Qe7 and mate.] 37...Qd6!= 38.Ne4 Qd5 39.Nc3 Qc4 40.Ne4 Qd5 41.f3 Nd4 [41...a5 right away: 42.Kb1 Qd1+ 43.Ka2 Qd5] 42.Red3


42...Rxf3?? [42...a5! keeps the draw: 43.Kb1[] a4 44.Rbc3 and now 44...Rxf3 45.Rxf3 Qxe4+ (45...Rxf3 46.Rc8+ Kf7 47.Rc7+ Kg8) 46.Ka1 (46.Rfd3 Ne2 47.Ka2 Nxc3+ 48.Rxc3 Qd5+) 46...Rxf3=] 43.Qe7!+- R8f7


44.Rxf3! Qxb3+ [44...Rxe7 45.Nf6+ Kf8 46.Nxd5+ Nxf3 47.Nxe7] 45.Rxb3 Rxe7 46.Rb8+ Kf7 47.Rh8 It turns out the h-pawn itself is a threat. 47...Nc6 48.g5 1-0


(2) Winslow,Elliott Charles (2223) - Griffith,Kyron Waykuan (2434) [B80]
Wilkerson TNM: 2000+ San Francisco (3.2), 21.01.2020

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3 e6 7.f3 h5!? Here? I knew this is the big thing in the 6.h3 e5 7.Nde2 line, and 6.Be3 e5 7. Nb3 Be6 8.f3 h5 is a major line (when 9.Nd5 is the big thing in the big thing -- obviously not happening here!) 8.Qd2 Be7 9.0-0-0 b5 10.a3 Bb7 11.Kb1 Nbd7 Black's ounce of prevention is certainly looking worth it - White has trouble getting anything going. On the other hand, Black is now a bit loathe to castle. 12.Bd3 Rc8 13.h3 d5 [13...h4!?] 14.exd5 Nxd5 15.Nxd5 Bxd5 16.g4?! [16.Ne2! repositions to c3 or f4, with a rich game still in store.] 16...Ne5 [16...Nc5!?] 17.Be2 [17.Be4 is the computer move, but it's hard to believe.] 17...Qc7! 18.Rhf1? [18.Rhe1] 18...Nc4 [18...hxg4 19.hxg4 Nc4] 19.Bxc4 [19.Qc1] 19...Qxc4 20.Nb3 a5 [Perhaps we both had underestimated 20...hxg4 21.hxg4 Rh3] 21.Nc1 Qa4?! various other moves are stronger. 22.Bd4 Bf6? [22...b4 23.axb4! (I had in mind 23.b3 but 23...Qc6 24.a4 Bxf3-+) 23...Bxb4 (23...axb4 24.Bxg7! (24.b3) 24...Rh7 25.b3 Qc6 26.Bb2 hxg4 27.hxg4+/=) 24.Qf2 followed by that defensive formation, b3/Bb2.] 23.Bxf6 gxf6 24.Ne2! hxg4?! [24...b4 25.Nf4 bxa3 26.b3 Qb5 27.Nxd5 could be similar] 25.Nc3! Qc4 26.Nxd5 [26.hxg4!] 26...Qxd5 27.Qxd5 exd5 28.hxg4 [28.fxg4! says Stockfish 28...Rxh3 29.Rxd5 b4 30.Rxa5 Rh2 31.Rc1 bxa3 32.Rxa3] 28...Rh2 29.Rxd5 b4 30.Re1+ Kf8 31.Rc1 bxa3 32.Rxa5 [32.bxa3] 32...axb2 33.Kxb2 Kg7 34.Rf5 Rf2 35.Kb3 Rb8+ 36.Kc4 Rd2 37.Kc3 Rd7 38.Rc5 Ra7 39.Kd4 Ra3 40.c3 Rb6 41.Rf5 Rd6+ 42.Rd5?! [42.Kc5!] 42...Rc6?! [42...Rxd5+ 43.Kxd5 f5 44.gxf5 Ra5+ 45.Kd6 Rxf5 46.c4] 43.f4?! Great, the computer likes every rook move (f5, c5, h5, b5) better. 43...Ra2! 44.c4 Rg2?! [44...Rd2+ 45.Ke4 Re6+ 46.Kf3 (46.Kf5 Ra2) 46...Rh2 The only progress I'm making is on my clock towards 0:00:00. (I had 8 minutes to his 14).] 45.g5 Kg6 46.gxf6 Kxf6 47.c5 Re2 48.f5!? It took a while for Stockfish to decide I was still doing quite well. [48.Rh5!?] 48...Rc8?! [48...Kg5!?+/-] 49.c6!+- Rd2+?! 50.Kc5 Rxd5+? 51.Kxd5 Kxf5 52.c7 Kg4


53.Rg1+?? With about a minute left I short out. [53.Rc4+ Kg5 (53...Kf3 54.Ke5! Ke3 55.Kf6 Kd3 56.Rc1[]) 54.Kd6 f5 55.Kd7 Rxc7+ 56.Kxc7 (56.Rxc7 f4 57.Kd6 f3 58.Ke5 Kg4 59.Ke4 f2 60.Rf7 Kg3 61.Ke3) 56...f4 57.Kd6 f3 58.Ke5 f2 59.Rf4] 53...Kh4 54.Kd6 f5 55.Rf1 Kg4 56.Kd7 Ra8 57.Rc1 f4 58.c8Q Rxc8 59.Rxc8 f3 60.Rf8 Kg3 61.Ke6 f2 62.Ke5 Kg2 1/2-1/2


(3) Askin,David Benjamin (2027) - Weng,Nicholas (1864) [D91]
Wilkerson TNM: 2000+ San Francisco (3.3), 21.01.2020

1.c4 Nf6 2.d4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Bg5 Ne4 [5...dxc4 6.e4 c5 7.d5 b5 8.d6!? (8.e5 b4 9.exf6 exf6 10.Qe2+ Kf8 11.Be3 bxc3 12.Bxc5+ Kg8 13.bxc3 Nd7 14.Be7 Qe8 (14...Qb6!?) ) ] 6.cxd5 Nxg5 7.Nxg5 e6 8.Qd2 exd5 9.Qe3+ Kf8 10.Qf4 Bf6 11.h4 Kg7 [11...h6! 12.Nxd5?! Bxg5 13.Qe5 Rh7 14.hxg5 Nc6 15.Qe4 Bf5 16.Qf3 Nxd4 (16...Qxg5) ] 12.0-0-0 [12.e3 c6 13.Bd3 h6 14.Nf3 Be6 15.0-0-0 Nd7 16.g4 Qb8 17.Rhg1 Be7 18.Qxb8 Raxb8 19.Ne2 Bd6 20.Nf4 Rbe8 21.Rg2 a6 22.Bc2 Nf6 23.Rdg1 Bc8 24.Nd3 Ne4 25.Nfe5 Bc7 26.b4 a5 27.a3 Nd6 28.Nc5 Nc4 29.Nxc4 dxc4 30.Kb2 b6 31.Ne4 axb4 32.axb4 Be6 33.Ra1 Ra8 34.Rgg1 Rxa1 35.Rxa1 Bxg4 36.Ra7 Rc8 37.Nd2 b5 38.Be4 Bd8 39.Nf3 Bf6 40.Ne5 Bxe5 41.dxe5 Rd8 Wojtaszek,R (2744)-Radjabov,T (2734) Beijing 2014 1/2-1/2 (66); 12.e4! dxe4 13.0-0-0 h6 14.Ngxe4 Be6 15.d5 Bf5 16.Nxf6 (16.Ng3 Bc8 17.Bc4 Nd7 18.d6 Ne5 19.dxc7 Qxc7 20.Qxf6+ Kxf6 21.Nd5+ Kg7 22.Nxc7 Bg4 23.Nxa8 Bxd1 24.Kxd1 Nxc4 25.Nc7 Rd8+ 26.Kc1 a6 27.b3 Nb6 28.Kb1 Rd2 29.Rf1 Kf8 30.Ne4 Re2 31.Nc5 Re7 32.Rc1 1-0 (32) Montero Martinez,C (2173)-Tapia Fuentes,J (2210) Santiago de Chile 2015) 16...Qxf6 17.g4 Bd7 18.Qg3 Re8 19.g5 Qe5 20.gxh6+ Kxh6 21.f4 Qe3+ 22.Qxe3 Rxe3 23.h5 Na6 24.hxg6+ Kxg6 25.Bd3+ Kf6 26.d6 Bc6 (26...Nb4 27.Ne4+ Kf5 28.Rh5+ Kxf4 29.Rf1+ Rf3 30.Rh4+ Ke3 31.Re1+ Kd4 32.Nd2+ Kc5 33.Rc4+ 1-0 (33) Lputian,S (2495)-Roos,D (2415) Athens 1983) 27.Rh6+ Kg7 28.Rh7+ Kf6 29.Bc4 1-0 (29) Taimanov,M-Liberzon,V Sukhumi 1972] 12...Be6N [Predecessor: 12...h6 13.Nf3 Be6 14.e3 c5 15.e4 cxd4 16.Nxd4 Bxd4 17.Rxd4 Nc6 18.exd5 Nxd4 19.Qxd4+ f6 0-1 (42), Khotenashvili,B (2464)-Atalik,E (2447) Plovdiv 2010] 13.e4 c6 14.e5 Be7 15.g3 b5 16.Bh3 Bxg5 17.hxg5 Nd7 18.Bxe6 fxe6 19.Qg4 Qe7 20.f4 Nb6 21.Rh6 Nc4 22.Rdh1 a5 23.Qh3 Kg8 24.Rxg6+ Kf7 25.Rf6+ Kg8 26.Rxe6 Qb4 27.Rg6+ Kf8 28.Qf5+ Ke8 29.Qe6+ Kd8 30.Qf6+ Kc7 31.Rxh7+ Rxh7 32.Qxc6+ Kd8 33.Qxa8+ Ke7 34.Qb7+ Kf8 35.Qc8+ Ke7 36.Qc7+ Kf8 37.Qd8+ Kf7 38.Qg8+ Ke7 39.Qxh7+ 1-0

(4) Tsodikova,Natalya (2204) - Snyder,Larry (2061) [C42]
Wilkerson TNM: 2000+ San Francisco (3.4), 21.01.2020

1.e4 e5 2.Nf3 Nf6 3.Nc3 Bb4 4.Nd5 Nxd5 5.exd5 e4 6.Nd4 Qg5 7.Nb5 Qe5 8.a3 Ba5 9.c4 a6 10.Nc3 Bxc3 11.dxc3


Not your typical pawn structure! 11...0-0?! [11...d6] 12.Be3 [12.Qd4!+/=] 12...d6= 13.Qd2 Nd7 14.Be2 f5 15.Bf4 Qf6 16.h4 a5 17.h5 b6 18.0-0-0 Ne5 19.Rh3 Ba6 20.Bg5 Qf7 21.Qd4 [21.h6! See Board 1 for a similar situation...] 21...Rac8 [21...h6!=] 22.b3 c5 23.dxc6+/- Rxc6 24.a4 Bc8 25.Bf4 Re8 26.f3 exf3 27.Bxf3 Nxf3 28.gxf3 Qf6 From bad to worse. 29.Qxf6 gxf6 30.Rg3+ Kf7 31.Rdg1 Re2 32.Rg7+ 1-0


(5) Lum,Michael K (1914) - Ivanov,Aleksandr Yu (2174) [E61]
Wilkerson TNM: 2000+ San Francisco (3.5), 21.01.2020

1.c4 Nf6 2.g3 g6 3.Bg2 Bg7 4.Nc3 0-0 5.d4 d6 6.e3 c5 7.Nge2 Nc6 8.0-0 e5 9.Rb1 cxd4 10.exd4 Bf5 11.Ra1 Rc8 12.h3 h5 13.dxe5 dxe5 14.Bg5 Qd3 15.Qa4 Nd4 16.Nxd4 exd4 17.Rad1 dxc3 18.Rxd3 Bxd3 19.bxc3 Rxc4 20.Qxa7 Bxf1 21.Bxf1 Rxc3 22.Qxb7 Rfc8 23.a4 R3c7 24.Qf3 Rc3 25.Qb7 R3c7 26.Qf3 Rc3 1/2-1/2

(6) German,Felix (1895) - Panuganti,Kireet Venkata (2170) [E11]
Wilkerson TNM: 2000+ San Francisco (3.6), 21.01.2020

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 a5 5.g3 0-0 6.Bg2 d6 7.0-0 Bxd2


8.Nfxd2!? e5 9.dxe5 dxe5 10.Nc3 Qe7 11.Qc2 c6 12.Na4 Bg4 13.Ne4 Bf5 14.Nxf6+ Qxf6 15.Qd2 Rd8 16.Qe3 Qd6 17.Qb6 Bc8 18.Nc5 Na6 19.Nxb7 Bxb7 20.Qxb7+- Nb4 21.Qb6 Rdb8 22.Qe3 Nc2 23.Qc3 Nxa1 24.Rxa1 Rd8 25.e3 Qc5 26.a3 Rab8 27.Rb1 a4 28.b4 axb3 29.Rxb3 g6 30.h4 Rd1+ 31.Bf1 Rxb3 32.Qxb3 Ra1 33.Qb4 Qa7 34.Qd6 Qxa3 35.Qb8+ Qf8 36.Qxe5 Qa8 37.h5 Ra5 38.c5 Qf8 39.hxg6 hxg6 40.Bc4 Rxc5 41.Qe4 Qg7 42.g4 Kh7 43.Qh1+ Qh6 44.Qf3 Qg7 45.Bxf7 Rc1+ 46.Kg2 Qh6 47.Qf6 Qh1+ 48.Kg3 Rg1+ 49.Kf4 Qh2+ 50.Ke4 Rxg4+ 51.f4 Qc2+ 52.Ke5 Qc3+ 53.Ke6 Qxe3+ 54.Kd7 c5 55.Be6 Qd3+ 56.Ke7 Rg1 57.Qh4+ Kg7 58.Qf6+ Kh7 59.Qf7+ Kh6 60.Qf8+ Kh7 61.Bg8+ Kh8 62.Bc4+ Kh7 63.Bxd3 Re1+ 64.Kd6 c4 65.Qf7+ Kh8 66.Bxg6 1-0


(7) Walder,Michael (2124) - Melville,Cailen J (1884) [C10]
Wilkerson TNM: 2000+ San Francisco (3.7), 21.01.2020

1.e4 e6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nf6 5.Bd3 Nxe4 6.Bxe4 Nd7 7.Nf3 Nf6 8.Bg5 Be7 9.Bd3 0-0 10.Qe2 Nd5 11.h4 f6 12.Bd2 Nb4


13.Bxh7+?? Mike has a deep fear of overlooking a brilliancy. [13.Bxb4 Bxb4+ 14.c3 Bd6 15.0-0-0+/-] 13...Kxh7 14.Ng5+? Kg8 15.Qh5 fxg5 16.hxg5 Qxd4? [16...Qd5! and the king walks.] 17.0-0-0? [17.g6! Qe4+ 18.Kf1 Rxf2+ 19.Kxf2 Qf5+ 20.Qxf5 exf5 21.Rae1 Bc5+ 22.Be3 Nxc2 23.Bxc5 Nxe1 24.Rxe1 (what a forced line!) 24...Bd7 25.Re7 Be8 26.Bd4 Kf8 27.Rxc7 Bxg6 28.Bxg7+ Kg8 29.a3+/- (29.Bc3+/-; 29.Rxb7?! Bf7 30.Bd4 Bxa2+/=) ] 17...Qe4?


[17...Qe5-+; 17...Qc5-+] 18.Bxb4!= Bxb4 19.g6 Qf4+ 20.Kb1 Qh6 21.Qg4 Rf4??


[21...Qf4! 22.Qh5 Qh6=] 22.Rd8+ [22.Rxh6! Bd7 23.Rh8+ Kxh8 24.Qh3+ Kg8 25.Rxd7] 22...Bf8 [22...Rf8 23.Rxf8+ Kxf8 24.Qxb4+ Ke8 25.Rxh6 is mate soon enough] 23.Rxh6 1-0


(8) Perlov,Alexander (1825) - Boldi,Ethan [Kazanjian] (2090) [E01]
Wilkerson TNM: 2000+ San Francisco (3.8), 21.01.2020

1.d4 d5 2.c4 e6 3.g3 Nf6 4.Bg2 c6 5.Nf3 Nbd7 6.0-0 Bd6 7.Nfd2 0-0 8.Nc3 Bc7 9.e4 dxc4 10.Nxc4 b5 11.Ne3 Ba6 12.d5 b4 13.Ne2 Nc5 14.Qc2 Nfxe4 15.dxe6 Bd3 16.e7 Qxe7 17.Qd1 Rad8 18.f3 Nf6 19.Re1 Rfe8 20.Bd2 Be5 21.Qc1 Bxe2 22.Rxe2 a5 23.Nc4 Bd4+ 24.Be3 Nd3 25.Qc2 Qc5 26.Qxd3 Bxe3+ 27.Qxe3 Qxc4 0-1

(9) Kuczek,Kevin W (1982) - Hakobyan,Sos (1818) [C01]
Wilkerson TNM: 2000+ San Francisco (3.12), 21.01.2020

1.e4 e6 2.d4 d5 3.exd5 exd5 4.c4 Bb4+ 5.Nc3 Ne7 6.Bd3 0-0 7.Nge2 Nbc6 8.0-0 Bxc3 9.bxc3 dxc4 10.Bxc4 Bf5 11.Ng3 Bg6 12.Ba3 Re8 13.Re1 Nf5 14.Qf3 Nxg3 15.Qxg3 Qd7 16.Qg5 Qf5 17.Qd2 Qa5 18.Bb2 Red8 19.d5 Qc5 20.Bb3 Na5 21.c4 Nxb3 22.axb3 Qb6 23.Qc3 f6 24.Re7 c5 25.Rae1 Bf7 26.Qg3 Re8 27.h4 Kf8 28.Qe3 Qd6 29.Rxe8+ Rxe8 30.Qd2 Rxe1+ 31.Qxe1 b6 32.Ba3 Qe7 33.Kf1 Bg6 34.Qxe7+ Kxe7 35.Ke2 Bc2 36.b4 Kd6 37.bxc5+ bxc5 38.Kd2 Bf5 39.Kc3 h5 40.f4 Bg4 41.Bc1


41...f5?? 42.Kd2! Black has placed himself in Zugzwang! 42...g6 43.Ba3 a6 44.Ke1 a5 45.Kd2 a4 46.Ke1 g5 47.hxg5 h4 48.Kd2? [48.g6 Bh5 49.g7 Bf7 50.Kd2+-] 48...Bh5 49.Ke3 Bf7 50.Kd3 Bg6 51.Ke3 Bf7 52.Kf2 Bh5 The remaining moves unrecorded: White won. 1-0


(10) Lehman,Clarence E (1907) - Busch,Jonah M (1944) [B22]
Wilkerson TNM: 2000+ San Francisco (3.13), 21.01.2020

1.e4 Nf6 2.e5 Nd5 3.c4 Nb6 4.c5 Nd5 5.Nc3 e6 6.d4 d6 7.cxd6 cxd6 8.Nf3 Nc6 9.Bc4 Nxc3 10.bxc3 dxe5 11.0-0 exd4 12.cxd4 Be7 13.Be3 0-0 14.Qb1 Bf6 15.Rd1 Qc7 16.Bd3 h6 17.Qc2 Qe7 18.Be4 Bd7 19.Rab1 b6 20.Qd2 Rfd8 21.Bxh6 gxh6 22.Qxh6 Bg7 23.Qh7+ Kf8 24.Ne5 Rac8 25.Ng4 Qg5 26.Rd3 Nxd4 27.f3 Rc1+ 28.Rd1 Rxb1 29.Bxb1 Nf5 30.Bxf5 exf5 31.Nf2 Qh6 0-1

(11) Reichwein,Axel (1892) - Argo,Guy (1939) [B07]
Wilkerson TNM: 2000+ San Francisco (3.14), 21.01.2020

1.e4 d6 2.d4 Nf6 3.Nc3 Nbd7 4.f4 e5 5.Nf3 exd4 6.Qxd4 c6 7.h3?! d5! 8.exd5? Bc5 9.Qd3 0-0 10.Be2 Nxd5 [10...Qb6!] 11.Nxd5 cxd5 12.Qxd5 Qb6 [12...Qc7!?] 13.Qb3 Bf2+? 14.Kf1 Bg3 15.Qxb6 [15.Nd4! Qxd4 16.Qxg3] 15...Nxb6 16.Nd4 [16.Be3] 16...Be6 17.f5 Bd5 18.Bf3?! Rfe8 [18...Rad8 19.c3 Rfe8] 19.Bd2 Nc4 20.Be1 Bxe1 21.Rxe1 Bxf3 Here White must have had a bit of a hallucination -- and resigned! [He's hardly worse at all after 21...Bxf3 22.Nxf3 Rxe1+ 23.Kxe1 Nxb2 24.g4] 0-1

(12) Ricard,Bruce (1849) - Babayan,Gagik (1784) [E91]
Wilkerson TNM: U2000 San Francisco (3.9), 21.01.2020

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 0-0 6.Be2 c5 7.d5 e6 8.dxe6 fxe6 9.0-0 a6 10.Bg5 Nc6 11.Qd2 Qc7 12.Bh6 e5 13.Be3 Bg4 14.Ng5 Bxe2 15.Qxe2 Qd7 16.Rad1 h6 17.Nf3 Nd4 18.Bxd4 cxd4 19.Nd5 Nxd5 20.exd5 Qg4 21.Nxd4 Qf4 22.Ne6 Qf5 23.Nxf8 Rxf8 24.b4 Qc8 25.Rc1 b6 26.Qc2 Rf6 27.c5 dxc5 28.bxc5 bxc5 29.Qxc5 Qf5 30.d6 Rf8 31.Qd5+ Kh7 32.d7 Rd8 33.Rfd1 h5 34.Rc3 h4 35.Rf3 Qg4 36.h3 Qb4 37.Rf7 Qb2 38.Re7 g5 39.Re8 Qb8 40.Qg8+ 1-0

(13) Baer,Michael A (1441) - Breedt,Rudolph Frans (1882) [B08]
Wilkerson TNM: U2000 San Francisco (3.15), 21.01.2020

1.d4 Nf6 2.Nc3 g6 3.e4 d6 4.Bf4 Bg7 5.Qd2 Nc6 6.0-0-0 0-0 7.Nf3 Bg4 8.h4 h5 9.Qe3 Re8 10.Be2 e6 11.Bg5 Qd7 12.e5 Nd5 13.Qd2 Nce7 14.Bb5 c6 15.Bc4 Bxf3 16.gxf3 dxe5 17.dxe5 Bxe5 18.Ne4 Qc7 19.Kb1 Qb6 20.Bb3 a5 21.c3 f6 22.Be3 Qc7 23.Rhg1 a4 24.Bc2 a3 25.b3 f5 26.c4 Nxe3 27.Qxe3 fxe4 28.Bxe4 Bf4 29.Qc3 Kf7 30.Qc2 Nf5 31.Bxf5 exf5 32.Rd4 Re7 33.c5 Qe5 34.Qc4+ Kg7 35.Rgd1 Rd8 36.Kc2 Rxd4 37.Rxd4 Bh6 38.f4 Qe1 39.Rd2 Kh7 40.Qd4 Qe4+ 0-1

(14) Madhavan,Srikrishnan (1720) - Abraham,Renjish (1861) [D05]
Wilkerson TNM: U2000 San Francisco (3.16), 21.01.2020

1.d4 d5 2.Nf3 Nf6 3.e3 e6 4.Bd3 Be7 5.0-0 0-0 6.Nbd2 c5 7.c3 Nc6 8.Re1 a6 9.h3 b5 10.e4 dxe4 11.Nxe4 cxd4 12.Qc2 g6 13.Bh6 Re8 14.Rad1 Qb6 15.Nfg5 Bb7 16.Nxf7 Nxe4 17.Rxe4 Nb4 18.cxb4 Bxe4 19.Bxe4 Rac8 20.Qd2 Kxf7 21.Qf4+ Bf6 22.g4 Ke7 23.Re1 Rcd8 24.Qf3 Rd6 25.Bf4 e5 26.Bc2 Kd7 27.Bg3 Qc6 28.Qb3 Qc4 29.Qxc4 bxc4 30.Ba4+ Kd8 31.Bxe8 Kxe8 32.Bxe5 Bxe5 33.Rxe5+ Kd7 34.Kf1 Kc6 35.Ke1 Rd5 36.Rxd5 Kxd5


37.a4? [37.h4!; and 37.g5! are both winning. White sets up a faster queening situation on the kingside, even if it costs a pawn, should Black's king head off to the queenside -- but if it doesn't, of course there is a threat of a passed pawn over there as well.] 37...g5!= Thus holding White back for a critical move. Now a pawn sacrifice for a passed pawn gives an advanced one to Black as well. And this is the only way to draw. 38.Kd2 h6 39.Kc2 Kc6 40.Kd2 Kb6 Standoff. [40...Kb6 41.f4?? gxf4 just hands a win to Black.] 1/2-1/2


(15) Mercado,Adam (1789) - Malykin,Erika (1675) [B72]
Wilkerson TNM: U2000 San Francisco (3.17), 21.01.2020

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Nf6 6.Be2 g6 7.Be3 Bg7 8.f3 Bd7 9.Qd2 b6 10.g4 Nxd4 11.Bxd4 0-0 12.h4 h5 13.Bxf6 Bxf6 14.gxh5 d5 15.Nxd5 Bxh4+ 16.Rxh4 e6 17.Rh2 exd5 18.hxg6 Qf6 19.g7 Rfc8 20.Bd3 dxe4 21.Bxe4 Bc6 22.0-0-0 Rd8 23.Rg1 1-0

(16) Acosta,Anthony (1762) - Latourette,Nicholas James (1623) [C50]
Wilkerson TNM: U2000 San Francisco (3.18), 21.01.2020

1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bc4 Bc5 5.a3 d6 6.d3 h6 7.Na4 Bb6 8.Nxb6 axb6 9.h3 0-0 10.0-0 Na7 11.Nh4 d5 12.exd5 Nxd5 13.Qh5 Nc6 14.Nf3 Nf4 15.Bxf4 exf4 16.Rfe1 Ra5 17.Ne5 Qf6 18.d4 Nxd4 19.Bxf7+ Rxf7 20.Qxf7+ Qxf7 21.Nxf7 Kxf7 22.Re4 Ne6 23.Rae1 Rd5 24.c3 b5 25.f3 g5 26.a4 bxa4 27.Rxa4 Bd7 28.Rae4 b5 29.c4 Rd2 30.b4 c6 31.cxb5 cxb5 32.Ra1 Kf6 33.Ra6 Kf7 34.Rb6 h5 35.Kf1 Rd5 36.Kf2 g4 37.hxg4 hxg4 38.Re2 g3+ 39.Ke1 Nd4 40.Rd2 Nxf3+ 0-1

(17) Yamamoto,Craig (1500) - Boldi,Nicholas Armen (1754) [C01]
Wilkerson TNM: U2000 San Francisco (3.19), 21.01.2020

1.e4 e6 2.d4 d5 3.exd5 exd5 4.Bd3 Nf6 5.h3 c5 6.dxc5 Bxc5 7.Nc3 h6 8.Nf3 0-0 9.0-0 Nc6 10.a3 Be6 11.b4 Bd6 12.Bb2 a6 13.Ne2 Nd7 14.Ned4 Nce5 15.Be2 Nxf3+ 16.Nxf3 Qc7 17.Bd3 Nb6 18.Bc1 Rad8 19.b5 axb5 20.Bxb5 Nc4 21.Qd3 Ne5 22.Nxe5 Bxe5 23.Rb1 Rc8 24.Bb2 Bxb2 25.Rxb2 Qe5 26.Rfb1 Rc3 27.Qe2 Qg5 28.Kh2 Rxa3 29.Bd3 Bc8 30.Qf3 Qe5+ 31.Kh1 Ra5 32.Rb5 Rxb5 33.Rxb5 Rd8 34.Qe2 Qxe2 35.Bxe2 d4 36.Bd3 Rd6 37.Be4 b6 38.Bd3 Kf8 39.Kh2 Ke7 40.Be4 g6 41.f3 Bd7 42.Rb4 Kf6 43.Bd3 Ke5 44.Kg3 Kd5 45.Be4+ Kc5 46.Rb3 b5 47.Bd3 b4 48.Rb1 Bb5 49.Kf2 Bxd3 50.cxd3 Re6 51.Rb2 Kb5 52.g3 Ka4 53.Rc2 b3 54.Rc4+ Ka3 55.Rxd4 b2 0-1

(18) Xu,Jayden (1712) - Cortinas,Martin A (1662) [D43]
Wilkerson TNM: U2000 San Francisco (3.20), 21.01.2020

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Bb4 5.Bg5 h6 6.Bh4 dxc4 7.e3 b5 8.a4 c6 9.Qc2 Bb7 10.axb5 cxb5 11.b3 Bd5 12.bxc4 Bxc4 13.Bxc4 bxc4 14.Qa4+ 1-0

(19) Hack,Richard (1567) - Mays,Jerry L (1700) [A38]
Wilkerson TNM: U2000 San Francisco (3.21), 21.01.2020

1.c4 g6 2.g3 Bg7 3.Nc3 c5 4.Bg2 Nc6 5.a3 Nf6 6.Nf3 0-0 7.0-0 a6 8.d3 Rb8 9.Be3 d6 10.h3 b5 11.cxb5 axb5 12.Ne1? [12.b4! cxb4 13.axb4 Nxb4 (13...e5 14.Qd2) 14.Nd4 keeps the balance.] 12...Bd7 13.Rb1 b4 14.Nd5?! [14.axb4-/+] 14...Nxd5 15.Bxd5 bxa3 16.bxa3 Rxb1 [16...Qa5!-+] 17.Qxb1 Bxh3?? [17...Qc7 jumps on the b-file for a strong initiative and advantage.] 18.Bxc6 Bxf1 19.Kxf1 Qc7 20.Bb5 Rb8 21.a4+- Qa5 22.Bd2?? White was winning if he just stepped his queen off the b-file (so that ...Qxa4 wasn't on). 22...Qxd2 23.Qb3 Qc1 24.Qc2 Qxc2 25.Nxc2 Bc3 26.Ne3 e6 27.Nc4 d5 28.Nd6 Be5 29.Ne8 Kf8 30.f4 Rxb5 31.axb5 Kxe8 32.fxe5 Kd7 33.g4 h6 34.Kf2 Kc7 35.Kf3 Kb6 36.e4 d4 37.Ke2 Kxb5 38.Kd1 Kb4 39.Kc2 Ka3 40.Kc1 Kb3 41.Kd1 Kc3 42.Ke2 Kc2 0-1

(20) Morgan,Jerry (1467) - Casares Jr,Nick (1600) [A03]
Wilkerson TNM: U2000 San Francisco (3.23), 21.01.2020

1.f4 d5 2.Nf3 Nf6 3.e3 c5 4.b3 Nc6 5.Bb5 Bg4 6.0-0 Rc8 7.Bb2 e6 8.d3 Be7 9.Nbd2 0-0 10.Bxc6 Bxf3 11.Nxf3 Rxc6 12.Ne5 Rc8 13.Qe1 Nd7 14.Ng4 Bh4 15.Qe2 Bf6 16.Nxf6+ Nxf6 17.Be5 Nd7


18.Bxg7?? White could just back off with a better minor piece (no outposts). But he decided to play half of Lasker-Bauer... 18...Kxg7 19.Qg4+ Kh8 20.Qh5 Qf6 21.Rae1 Qg6 22.Qh4 Rg8 23.Re2 Nf6 24.Rf3 Nh5?! 25.Rh3 Nf6 26.Kf1 Qf5 27.Rg3 Rxg3 28.Qxg3 c4! 29.bxc4 dxc4 30.e4 Qg4 [30...Qb5!] 31.e5 Qxg3 32.hxg3 cxd3 33.cxd3 Ng4 34.Rd2 Rc1+ 35.Ke2 Rg1 36.Kf3 h5 37.d4 Re1 38.Re2 Rxe2 39.Kxe2 Kg7 40.Kd3 f5 41.Kc4 Ne3+ 42.Kc5 Kf7 43.Kd6 Nd5 44.a3 b5 45.Kc6 a6 [45...Nc3! 46.d5 exd5 47.Kd7 Ne4 48.e6+ Kg7 (well, any king moves still wins)] 46.Kd6 a5 47.Kc5 b4 [47...Nc3! is Zugzwang...] 48.axb4 axb4 49.Kc4 Ke7 50.Kb3 Kd7 51.g4 hxg4 52.g3 White resigned on move 57 or so. 0-1


(21) Carron,Joel (1645) - Allen,Alex (1671) [B21]
Wilkerson TNM: U2000 San Francisco (3.24), 21.01.2020

1.e4 c5 2.d4 e6 3.Nf3 cxd4 4.c3 dxc3 5.Nxc3 Nc6 6.Bc4 Qc7 7.0-0 Nf6 8.Nb5 Qb8 9.e5 Nxe5 10.Bf4 Nxf3+ 11.Qxf3 d6 12.Rfd1 e5 13.Qe2 Be7 14.Bg5 0-0 15.Rac1 Bg4 16.f3 Be6 17.Bxe6 fxe6 18.Nc7 Rc8 19.Nxa8 Qxa8 20.Rxc8+ Qxc8 21.Rc1 Qd7 22.Qc4 Kf7 23.Qc8 Qxc8 24.Rxc8 Kg6 25.Bxf6 Kxf6 26.Rc7 b5 27.Rxa7 d5 28.Rb7 b4 29.Kf1 h5 30.Ra7 Bc5 31.Ra5 Bd4 32.Rb5 Bxb2 33.Rxb4 Bc3 34.Rb3 d4 35.a4 e4 36.fxe4 Ke5 37.Ke2 Kxe4 38.Ra3 d3+ 39.Kd1 Bd4 40.a5 Ke3 41.a6 Ba7 42.Ra5 Kd4 43.Rb5 e5 44.Rb7 Bc5 45.a7 Bxa7 46.Rxa7 e4 47.Rxg7 Kc3 48.Re7 Kd4 49.Kd2 1-0

(22) Tamondong,Cesar Bercilla (1617) - Raza,Aezed (1643) [D35]
Wilkerson TNM: U2000 San Francisco (3.25), 21.01.2020

1.d4 d5 2.c4 e6 3.Nc3 Be7 4.Bf4 Nf6 5.e3 0-0 6.Bd3 dxc4 7.Bxc4 a6 8.a4 Nbd7 9.Nf3 Nb6 10.Bb3 Nfd5 11.Nxd5 Nxd5 12.Bg3 Bb4+ 13.Kf1 Bd6 14.Rc1 b5 15.h4 Bxg3 16.Bxd5 Qxd5 17.fxg3 Qd6 18.Qc2 bxa4 19.Qxc7 Qxc7 20.Rxc7 Rb8 21.Rc2 Bb7 22.Kf2 Be4 23.Rd2 Rfc8 24.Ra1 Rc4 25.Ng5 Bc2 26.d5 exd5 27.Rxd5 h6 28.Nh3 Rxb2 29.Rd2 Rbb4 30.Nf4 Be4 31.Ne2 Bc6 32.Nd4 Bb5 33.g4 Rc7 34.Nf5 Rxg4 35.Rd8+ Kh7 36.Kf3 Rg6 37.g4 Rf6 38.Kg3 Rc2 39.Ra3 Rb2 40.Rc3 Bc6 41.e4 Rb3 42.Rcd3 Rxd3+ 43.Rxd3 Bxe4 Here the remaining scoresheet reads "44.Nd4 Rb6 45.Kf4 Bd5" and on until move 78. 0-1

(23) Hansen,Mateo Stephen (1624) - Rakonitz,David (1613) [C01]
Wilkerson TNM: U2000 San Francisco (3.26), 21.01.2020

1.e4 e6 2.Nf3 d5 3.exd5 exd5 4.d4 Bd6 5.Bd3 Ne7 6.Ng5 h6 7.Qh5 g6 8.Qh4 Bf5 9.Nf3 Bxd3 10.Qf6 Rh7 11.cxd3 Nd7 12.Qh4 Nf5 13.Qxd8+ Kxd8 14.0-0 c6 15.Bd2 Kc7 16.b4 a6 17.a4 Rhh8 18.Nc3 g5 19.h3 Rhe8 20.Rfc1 Nf6 21.g4 Ng7 22.h4 Kd7 23.hxg5 hxg5 24.Nxg5 Nxg4 25.Nxf7 Nf5 26.f3 Nxd4 27.Nxd6 Kxd6 28.Bf4+ Ne5 29.Re1 Ndxf3+ 30.Kh1 Kd7 31.Bxe5 Nxe5 32.Rad1 Rh8+ 33.Kg2 Rag8+ 34.Kf2 Rh2+ 35.Ke3 Rg4 36.b5 d4# 0-1

(24) Gimelfarb,Ilia (1599) - Rothman,Ivan (1487) [C96]
Wilkerson TNM: U1600 San Francisco (3.10), 21.01.2020

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 d6 9.h3 Na5 10.Bc2 c5 11.d4 Nd7 12.Nbd2 Re8 13.Nf1 Bh4 14.Nxh4 Qxh4 15.Ne3 Nf6 16.dxc5 dxc5 17.Nd5 Nxd5 18.exd5 Qf6 19.Qh5 g6 20.Qh6 Nb7 21.Bg5 Qd6 22.Rad1 f6 23.Bxg6 Re7 24.Bxf6 Qxf6 25.Bxh7+ Rxh7 26.Qxf6 1-0

(25) Ansari,Jahaan (1461) - Starr,Albert Martin (1552) [A85]
Wilkerson TNM: U1600 San Francisco (3.27), 21.01.2020

1.d4 f5 2.c4 g6 3.e3 Bg7 4.Nc3 Nf6 5.Nf3 0-0 6.b4 d6 7.Be2 b6 8.0-0 c5 9.bxc5 bxc5 10.dxc5 dxc5 11.Qc2 Nbd7 12.Rd1 Qa5 13.Rb1 a6 14.Bd2 Qc7 15.Ng5 Qa7 16.Ne6 Re8 17.Nd5 Nxd5 18.cxd5 Bf6 19.Rbc1 Nb6 20.Nxc5 Nxd5 21.Qc4 e6 22.Bf3 Kg7 23.Bxd5 exd5 24.Qxd5 Rd8 25.Ne6+ Bxe6 26.Qxe6 Re8 27.Qd6 Be5 28.Bc3 Bxc3 29.Rxc3 Rac8 30.Rxc8 Rxc8 31.Qd4+ Kg8?? 32.Qxa7 1-0

(26) Sachs-Weintraub,Julian (1429) - Simpkins,Jerry (1539) [A40]
Wilkerson TNM: U1600 San Francisco (3.28), 21.01.2020

1.d4 e5 2.dxe5 Nc6 3.Nf3 Qe7 4.Nc3 Nxe5 5.Nxe5 Qxe5 6.g3 c6 7.Bg2 d5 8.Bf4 Qe6 9.0-0 Bd6 10.Bxd6 Qxd6 11.e4 d4 12.Ne2 c5 13.c3 d3 14.Nf4 c4 15.b3 Be6 16.e5 Qc7 17.Nxe6 fxe6 18.bxc4 Qxc4 19.Bxb7 Rb8 20.Rb1 Ne7 21.Ba6 Rxb1 22.Bxc4 Rxd1 23.Rxd1 Kf7 24.Rxd3 Rc8 25.Bb3 Rc7 26.c4 g5 27.Rf3+ Kg7 28.Kg2 Ng6 29.Re3 Rc5 30.Rd3 Nxe5 31.Rd6 Kf6 32.Ra6 g4?! [32...Rc7 33.c5 Nc6+/-] 33.Rxa7+- h5 34.h3 gxh3+ 35.Kxh3 Ng4 36.f4 e5 37.Ra6+ Kf5 38.fxe5 Rxe5 39.Bc2+ 1-0

(27) James,Charles (1404) - Jade,Valerie (1532) [D38]
Wilkerson TNM: U1600 San Francisco (3.29), 21.01.2020

1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.cxd5 exd5 5.Bg5 Bb4 6.e3 c5 7.Nf3 cxd4 8.Nxd4 0-0 9.Bd3 Nc6 10.Nxc6 bxc6 11.Rc1 Re8 12.0-0 h6 13.Bh4 Bc5 14.Na4 Bb6 15.Rxc6 Bd7 16.Bxf6 gxf6 17.Rc1 [17.Nxb6 Bxc6 18.Nxa8; 17.Rd6 Qe7 18.Rxd5] 17...Rxe3?! A desperation combination in a bad position, but the it's the mule that gets hit by the kicker. 18.Nxb6 Good enough! [But 18.fxe3! calls the bluff: 18...Bxe3+ 19.Kh1 Bxc1 20.Qxc1 Bxa4 21.Qxh6 isn't just good -- it's mate in twelve good. 21...Qe8 22.Bh7+ Kh8 23.Bc2+ Kg8 24.Qh7+ Kf8 25.Qh8+ Ke7 26.Qxf6+ Kf8 (26...Kd7 27.Bxa4+ Kc7 28.Rc1+ Kb7 29.Bc6+) 27.Bxa4] 18...Rxd3 19.Qxd3 Qxb6 20.Qxd5 Rd8 21.Qf3 Qxb2 22.Rfd1 Re8 23.Rc7 Qb4 24.h3 Re1+ 25.Rxe1 Qxe1+ 26.Kh2 Qe5+ 27.Qg3+ Qxg3+ 28.Kxg3 Be6 29.Rxa7 Kg7 30.a4 Kg6 31.Kf4 Bd5 32.g4 h5 33.gxh5+ 1-0

(28) Chan,John (1506) - Neugut,Eitan (1322) [D02]
Wilkerson TNM: U1600 San Francisco (3.30), 21.01.2020

1.d4 d5 2.Nf3 Nf6 3.h3 e6 4.Bg5 c5 5.Bxf6 Qxf6 6.e3 a6 7.Nbd2 Nc6 8.c3 Bd6 9.e4 Qg6 10.e5 Be7 11.g3 0-0 12.Bg2 cxd4 13.0-0 dxc3 14.bxc3 Qd3 15.Qc1 f6 16.Re1 fxe5 17.Nxe5 Nxe5 18.Rxe5 Bc5 19.Nf3 Rxf3 20.Bxf3 Qxf3 21.Qf4 Bxf2+ 22.Kf1 Qh1+ 23.Kxf2 Qxa1 24.Qa4 b5 25.Qc2 Qh1 26.Qd3 Bd7 27.Ke2 Rf8 28.Kd2 Rf3 29.Qd4 Qf1 30.Re2 Qb1 31.a3 Qb2+ 32.Ke1 Qc1+ 33.Qd1 Rf1+ 0-1

(29) Shannon,Rex - Ross,Max L (1549) [C66]
Wilkerson TNM: U1600 San Francisco (3.31), 21.01.2020

1.e4 e5 2.Nf3 Nc6 3.Bb5 d6 4.0-0 Nf6 5.Re1 g6 6.d3 Bg7 7.h3 0-0 8.Be3 Ne7 9.Bc4 c6 10.Bb3 Nh5 11.Nc3 a5 12.a4 Be6 13.Bxe6 fxe6 14.Qd2 Nf4 15.g3??


[15.Bxf4+/-] 15...Nxd3! 16.cxd3 Rxf3 17.Kg2 Rf7 18.h4 d5 19.Bg5 Qc7 20.h5 Raf8 21.Re2 Qb6 22.Rh1 Bf6 23.Nd1 [23.Bh6 Rd8 24.f3] 23...dxe4? 24.Bxf6 [24.Rxe4; 24.dxe4] 24...Rxf6 [24...exd3!?] 25.Rxe4 Qc7 26.Qh6? [26.Qe2] 26...Nf5 27.Qg5 Qg7 [27...h6 28.Qc1 Qf7; 27...c5; 27...b6] 28.Rxe5 h6 29.Qg4 g5 30.Rhe1 Qd7 31.Qc4 Ng7 32.R1e2 One scoresheet just says "32.Re2" -- the other says "32.R(something)e2" and I have no idea what it is, let alone 5 or 1. Let us go with this one for its entertainment value on the next move. [On 32.R5e2 Rf5?? is just as bad: A certain new version of a certain free chess engine (Yes, Stockfish 11 just came out!) has White winning after 33.Ne3] 32...Rf5?? [32...Qf7 33.Rxa5 (33.Qg4=) 33...Qxh5 34.Rae5=] 33.Rxe6?? [33.Rxf5+- Rxf5 (33...Nxf5 34.Rxe6 (34.Qxe6+) ) 34.Ne3 when 35.Ng4 is going to be too annoying for words.] 33...Nxe6 34.Rxe6 Qd5+ At least it gets the queens off, but perhaps it's an overreaction. [34...Kh7 35.Qe4 (with two threats) gets "0.00" from sf11.; 34...Kg7!-/+] 35.Qxd5 cxd5 36.Rxh6?! [36.Rb6!? with myriad justifications] 36...R5f6! White is going to miss that rook. 37.Rxf6 Rxf6 38.Ne3 d4? [38...Rb6! 39.Nxd5 Rxb2 40.Nc3 (else ...b5) 40...Rb3 41.Ne4 Rxd3 42.Nxg5 Ra3 just wins.] 39.Nd5? [39.Nc4 and it's going to be very hard for Black to do anything.] 39...Rd6 40.Ne7+ Kf7 [40...Kh7! The king is to watch the h-pawn.] 41.Nf5 Rd5? [41...Rb6 42.Nxd4 Rxb2-+ back to Black's best plan: make an unstoppable passed pawn way over on the queenside.] 42.g4 The computer was all excited about an advantage for White, but after a bit it found defense for Black. 42...Kf6= 43.h6 [43.Kf3; 43.Ng3; 43.b3] 43...Rd7 44.Kg3 Rc7 45.f4 Kg6 One of the scoresheets actually has "??" written after this move, but Stockfish thinks it's best. 46.fxg5 Kxg5 47.Nxd4 Kxh6 48.Kh4? [48.Kf4=] 48...Kg6 [48...Rd7! 49.Nf5+ Kg6 50.d4 b5!-/+] 49.Nf5? [49.Nb3 b6 50.Nd2 Rh7+ 51.Kg3 Rd7 52.Kf3 Rxd3+ 53.Ke2 Black can continue to torture White, but after 53...Rd4! 54.b3 Rb4 55.Kd3 Kg5 56.Nf3+ Kxg4 57.Nd4 Kg5 and there is the telltale sign: all variations now evaluate as "-+ (-1.78)" -- which means, drawn by blockade.] 49...Rc2! 50.b3 Rh2+ [50...Rc3!] 51.Kg3 Rb2 52.d4? Kind of giving up. Now Black is back to his primary winning plan, that passed pawn... [52.Nd4 Rd2 53.Kf4 Rxd3 54.Ke4 Rc3 and there are technical difficulties.] 52...Rxb3+ 53.Kf4 Rb4 Well all right, [but to the point is 53...b5! On top of everything else, it's a rook pawn. Knights hate rook pawns.] 54.Ke5 Rxa4 55.d5 Rxg4 56.d6 Rg5 Again, a "?" on the scoresheet, again Stockfish makes it best and already finds mate. 57.d7 Rxf5+ 58.Ke6 Rf6+ More question marks, more mate (in 14). 59.Ke7 Rf7+ 60.Ke6 Rxd7! Party pooper. White resigned. 0-1


(30) Radaelli,Lucas (1411) - Bayaraa,Timothy (1193) [C70]
Wilkerson TNM: U1600 San Francisco (3.32), 21.01.2020

1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.0-0 a6 5.Ba4 b5 6.Bb3 d6 7.c3 Bg4 8.h3 Bh5 9.d4! exd4 10.cxd4? [10.g4! Bg6 11.cxd4+/- (11.Bg5!?) ] 10...Nxd4-/+ 11.Bxf7+? Kxf7 12.Ng5+?


12...Kf8? [12...Qxg5!! 13.Qxd4 Bxd4 14.Bxg5 Bxb2] 13.Qxh5+/= g6 14.Qg4? [14.Qd1] 14...Nf6 [14...h6!] 15.Ne6+ [15.Qd1!] 15...Nxe6 [15...Ke8!?] 16.Qxe6 Kg7 17.Bg5 Rf8 [17...Re8=/+] 18.Nc3 h6 [18...Qe8!] 19.Bh4 g5 20.Bg3 h5?? [20...Qe8] 21.Rae1+/- [21.e5!+- dxe5 22.Qxe5 Black's king will die of exposure.] 21...Nd7?


[21...Qe8 last chance!] 22.e5! dxe5 23.Bxe5+ Nxe5 24.Qxe5+ Rf6 25.Qxg5+ Rg6 26.Qxc5 Kh6 27.Re7 Qc8 28.Qe3+ Rg5 29.h4 Qg8 30.hxg5+ Qxg5 31.Re6+ Kh7 32.Qxg5 Rh8 33.Rh6# 1-0


(31) Frank,Robert H (1222) - Harris,Clarence (1402) [D07]
Wilkerson TNM: U1600 San Francisco (3.33), 21.01.2020

1.d4 d5 2.Nf3 Nc6 3.e3 Nf6 4.c4 e6 5.Nc3 Bb4 6.a3 Be7 7.cxd5 exd5 8.Bd3 0-0 9.0-0 Be6 10.Bd2 Re8 11.h3 Qc8 12.Ng5 Bd7 13.Qc2 g6 14.Ne2 Bd6 15.Nf4 Bxf4 16.exf4 Nxd4 17.Qc3 c5 18.Be3 Ne4 19.Qe1 [19.Bxe4 Ne2+] 19...Nxg5 20.fxg5 c4 21.Bxd4 Rxe1 22.Rfxe1 cxd3 23.Rac1 Bc6 24.Re5 d2 25.Rd1 Qd7 26.Rxd2 Re8 27.Rxe8+ Qxe8 28.Bxa7 Qe1+ 0-1

(32) Cole,Tony (1400) - Morgan,Jacob (1227) [B11]
Wilkerson TNM: U1600 San Francisco (3.34), 21.01.2020

1.e4 c6 2.Nf3 d5 3.Nc3 dxe4 4.Nxe4 Nf6 5.Nxf6+ exf6 6.Bc4 Bd6 7.d3 0-0 8.Be3 Bg4 9.h3 Be6 10.Bxe6 fxe6 11.Qd2 Nd7 12.0-0-0 Ne5 13.Nd4 Qe7 14.g4 a6 15.f4 Nd7 16.h4 c5 17.Nf3 b5 18.h5 Nb6 19.h6 g6 20.Rdg1 Nd5 21.Kb1 f5 22.Nh4-/+ Qc7?? 23.gxf5 exf5


24.Nf3?! [24.Nxg6! hxg6 25.Rxg6+ Kh8 26.h7!+-] 24...Nxe3 25.Qxe3 Rfe8 26.Qf2 Bxf4 27.Nh4 Be3 28.Rxg6+ hxg6 29.Qg2 g5? [29...Qf7! 30.h7+ (30.Nxg6 Kh7) 30...Kg7!] 30.Nxf5? [30.Qd5+=] 30...Qe5 (Score says "30...Qf5") 31.Nxe3 Qxe3 32.Qd5+ Kh8 33.a3 Rad8 34.Qf7 Qe7 35.Qg6 Rd6 36.Qf5 Re6 The score left a move out: Black won after 60+ moves. 0-1


(33) Martin,Michael J (1387) - Chambers,Wolfe Natan (1182) [B34]
Wilkerson TNM: U1600 San Francisco (3.35), 21.01.2020

1.e4 c5 2.Nf3 Nc6 3.d4 g6 4.c3 cxd4 5.Nxd4 Bg7 6.Be3 e6?? [6...Nf6=/+] 7.Bc4? [7.Nb5+/-] 7...Nge7 8.Nd2 Na5 9.Be2 d5 10.b4 Nac6 11.Qc2 a6 12.0-0 f5 13.exf5 exf5 14.N2f3 Ne5 15.Ng5 N7c6 16.Nde6 Bxe6 17.Nxe6 Qd7 18.Nxg7+ Qxg7 19.b5 axb5 20.Bxb5 Ra5?? 21.Bxc6+ bxc6 22.Bd4 c5 23.Bxe5 Qxe5 24.Rfe1 Qxe1+ 25.Rxe1+ Kf7 26.Qb3 c4 27.Qb7+ Kf8 28.Qb4+ 1-0

(34) Gimelfarb,Natan (1134) - Lintz,Michael Harry (1376) [C50]
Wilkerson TNM: U1600 San Francisco (3.36), 21.01.2020

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.Nc3 Nf6 5.d3 0-0 6.Bg5 h6 7.Bh4 Be7 8.0-0 d6 9.h3 Na5 10.Bb3 Nxb3 11.axb3 Be6 12.d4 exd4 13.Qxd4 a6 14.e5 dxe5 15.Qxe5 Bd6 16.Bxf6 Bxe5 17.Bxd8 Bxc3 18.bxc3 Raxd8 19.Nd4 Bd7 20.b4 Rfe8 21.Rfb1 c6 22.c4 Re5 23.f4 Re4 24.c3 Rxf4 25.b5 c5 26.Ne2 Rxc4 27.bxa6 bxa6 28.Rxa6 Be6 29.Rc6 Rd2 30.Re1 Kh7 [30...Re4] 31.Rc7 Re4 32.Kf2 Bc4 33.Rxc5 Rexe2+ 34.Kf1 Re5+?? [34...Rf2+ 35.Kg1 Rxg2+ 36.Kh1 Rh2+ 37.Kg1 Rdg2#; 34...Rxg2+ 35.Re2 (35.Rxc4 Rdf2#) ] 35.Rxc4 Rxe1+ 36.Kxe1 Rxg2 37.Rh4 Rg3 38.c4 g5 39.Rd4 Rxh3 40.Kd2 Ra3 41.c5 Ra8 42.c6 Rc8 43.Rc4 Kg6 44.Ke3 f5 45.Kf3 Kf6 46.Ke3 Ke6 47.Rc5 Rc7 48.Kf3 h5 49.Kg3 h4+ 50.Kh3 Kf6 51.Rc4 Kg6 52.Rc5 Kh5 53.Rc4 g4+ 54.Kg2 Kg5 55.Kf2 Kf6 56.Rc5 Ke6 57.Kg2 Kf6 1/2-1/2

(35) Roberts,Joseph (1358) - Wagner,Tyler (1050) [B01]
Wilkerson TNM: U1600 San Francisco (3.37), 21.01.2020

1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.d4 c6 5.Bd2 Qc7 6.Nf3 Bg4 7.Be2 Nf6 8.h3 Bh5 9.0-0 e6 10.Ne5 Bxe2 11.Qxe2 Nbd7 12.Rad1 Bd6 13.f4 Qb6 14.Bc1 Nd5 15.Nxd7 Kxd7 16.Ne4 Be7 17.c4 Nf6 18.f5 Nxe4 19.fxe6+ fxe6 20.Qxe4 Bf6 21.c5 Qb4 22.a3 Qc4 23.Bf4 Qd5 24.Qxd5+ exd5 25.Bd6 Rhe8 26.Rde1 Bxd4+ 27.Kh1 Bxb2 28.Rf7+ Kd8 1-0

(36) Sai,Rohit - Chambers,Don (1298) [C50]
Wilkerson TNM: U1600 San Francisco (3.38), 21.01.2020

1.e4 e5 2.Nf3 Nc6 3.Bc4 Na5? 4.Nxe5 Nxc4 5.Nxc4 Bc5 6.d4 d5 7.Ne3 Bb6 8.Nxd5 Nf6 9.Nxb6 axb6 10.0-0 Bg4 11.f3 Bh5 12.Bg5 h6 13.Bh4 g5 14.Bg3 0-0 15.Nc3 Qe7 16.Qd2 c5 17.Nb5 Rfc8 18.d5 c4 19.c3 Qc5+ 20.Nd4 Nd7 21.Qf2 Bg6 22.a4 h5 23.Nb5 h4 24.Qxc5 bxc5 25.Bf2 Ne5 26.Be3 f6 27.Rf2 Nd3 28.Rd2 Ra5 29.Nd6 Rca8 30.Nxc4 Rxa4 31.Rxa4 Rxa4 32.Rxd3 g4 33.Nb6 Ra2 34.Rd2 g3 35.hxg3 hxg3 36.Kf1 Ra1+ 37.Ke2 Rh1 38.d6 Rh2 39.Kd1 Bf7 40.c4 Be6 41.d7 Bxd7 42.Nxd7 Rh1+ 43.Kc2 Kf7 44.Nxc5 Re1 45.Kd3 Kg6 46.Bf4 1-0

(37) Johnson,Nathaniel - Rushton,Peter James (1294) [A00]
Wilkerson TNM: U1600 San Francisco (3.40), 21.01.2020

1.h4?! e5 2.e4 Nf6 3.d3 Be7 4.g3 d5 5.Bg2 Be6 6.Nd2 0-0 7.Ne2 Ng4 8.Nb3 d4 9.a4 Nd7 10.f3 Ne3 11.Bxe3 dxe3 12.0-0 c5 13.c4 a6 14.Nc3 f5 15.exf5 Bxf5 16.Qe2 Bd6 17.Ne4 Bxe4 18.dxe4 Nf6 19.Qxe3 Nh5 20.Qe1 a5 21.Rd1 Rf6 22.Rd3 Qb6 23.Bh3 Rg6 24.Kh2 Rxg3 25.Rg1 Rxg1 26.Qxg1 Nf4 27.Re3 Qb4 28.Qf1 Qxa4 29.Qd1 Rd8 30.Qa1 Qxc4 31.Qxa5 Be7 32.Qc7 Kf8 33.Qxe5 Ng6 34.Qf5+ Ke8 35.Rc3 Bd6+ 36.Kg1 Qe2 37.Bf1 Qh2# 0-1

(38) Hall,Diana - Cendejas,Jon Rodolfo (1254) [C47]
Wilkerson TNM: U1600 San Francisco (3.41), 21.01.2020

1.e4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.Nd5 d6 5.c4 Nxe4 6.d3 Nf6 7.Be2 Be6 8.Bg5 Be7 9.Qb3 b6 10.0-0 0-0 11.Qb5 Na5 12.Qa4 Nxd5 13.b4 Nxb4 14.Qxb4 Bxg5 15.Nxg5 Qxg5 16.g3 Nc6 17.Qa4 Nd4 18.Rfe1 Qf5 19.Qd1 d5 20.cxd5 Bxd5 21.Rf1 Qh3 22.Qd2 Qg2# 0-1

(39) Pagan Griso,Simone - Sterling,Isaac (1126) [E11]
Wilkerson TNM: U1600 San Francisco (3.42), 21.01.2020

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 Be7 5.Nc3 0-0 6.e4 d6 7.Bd3 c5 8.0-0 cxd4 9.Nxd4 Nc6 10.Nde2 Ne5 11.Qc2 Nxd3 12.Qxd3 a6 13.Qg3 Kh8 14.Rad1 Qc7 15.b3 b6 16.Kh1 Bb7 17.Qe3 Rfe8 18.Ng3


18...d5 19.e5 Ng4 20.Qd4 Nxe5 21.Bf4 f6 22.cxd5 Bc5 23.Qd2 Rad8 24.Qe2 exd5 25.Nf5 Qc6 26.Bxe5 fxe5 27.Qg4 Qf6 28.Na4 Bc8 29.Nxc5 Bxf5 30.Qe2 bxc5 0-1


(40) Dubensky,Walter Barnett (1120) - Neuberg,Bryan [D02]
Wilkerson TNM: U1600 San Francisco (3.43), 21.01.2020

1.d4 e6 2.Nf3 d5 3.Bf4 Nc6 4.e3 Nf6 5.Nbd2 Bd6 6.Bxd6 Qxd6 7.c4 Ne4 8.a3 e5 9.cxd5 Qxd5 10.Bc4 Qd6 11.Nxe4 Qg6 12.Ng3 e4 13.Nd2 Bf5 14.0-0 h5 15.Bd5 h4 16.Nxf5 Qxf5 17.Bxe4 Qe6 18.d5 Qf6 19.dxc6 bxc6 20.Rc1 Kf8 21.Rxc6 Qxb2 22.Nc4 Qb5 23.Rxc7 Re8 24.Nd6 Qe5 25.Nxe8 Qxe4 26.Rc8 Qb7 27.Rd8 g6 28.Nd6+ Kg7 29.Qd4+ f6 30.Nxb7 Rxd8 31.Qxd8 Kh6 32.Qh8+ Kg5 33.Nd6 a5 34.Ne4+ Kg4 35.Qxf6 g5 36.Qxg5# 1-0

(41) Tabatabai,Ashkon (962) - Allen,Tom Carter (1426) [C47]
Wilkerson TNM: U1600 San Francisco (3.44), 21.01.2020

1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Nxe5 Nxe5 5.d4 Ng6 6.e5 Qe7 7.Bd3 d5 8.Bg5 Nxe5 9.dxe5 Qxe5+ 10.Be3 d4 11.0-0 dxc3 12.Re1 Be7 13.Qf3 0-0 14.Bf4 Qc5 15.Qg3 Nh5 16.Qf3 Nxf4 17.Qxf4 Bd6 18.Qe4 Qh5 19.Re3 g6 0-1

(42) Dunlap,Steven (1037) - Sullivan,George Thomas (914) [E16]
Wilkerson TNM: U1600 San Francisco (3.45), 21.01.2020

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 d6 6.0-0 Nbd7 7.Qb3 Rb8 8.Nc3 Be7 9.Bg5 0-0 10.Bxf6 Bxf6 11.d5 exd5 12.cxd5 Bxc3 13.bxc3 Nf6 14.Qc4 Re8 15.Ng5 Qd7 16.Qd3 h6 17.Bh3 Qe7 18.Ne6 Bxd5 19.Nf4 Bc6 20.f3 g5 21.Ng6 fxg6 22.Qc4+ Bd5 23.Qd3 Qe3+ 24.Qxe3 Rxe3 25.Rf2 Rxc3 26.e4 Bc6 27.Be6+ Kg7 28.Re1 Re8 29.e5 Rxe6 30.exf6+ Rxf6 31.Re7+ Rf7 32.Rfe2 Rcxf3 33.Rxf7+ Kxf7 34.Rc2 Bd7 35.Rxc7 Ke6 36.Rxa7 b5 37.Ra8 Ke7 38.Rh8 Bh3 0-1

(43) Nicol,George R (1015) - Ballantyne,Andrew (877) [C50]
Wilkerson TNM: U1600 San Francisco (3.46), 21.01.2020

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.Nc3 Nf6 5.0-0 d6 6.Ne2?? Nxe4-/+ 7.d4 exd4 8.Nfxd4 [8.Bd5!? Nf6 9.Bxc6+ bxc6 10.Nexd4 0-0] 8...Nxd4 9.Nxd4 d5 10.Bb3 Qf6 11.c3? [11.Bxd5 Bxd4 12.Bxe4 0-0=] 11...c6 12.Bc2 [12.f3 Ng5 13.Re1+ Ne6] 12...0-0! 13.Qd3 Qg6 [13...Bd6; 13...Qh4] 14.f3 Bh3?? [14...Nd6!-/+; 14...Bf5!? 15.fxe4?! Bxe4 wins] 15.Qe2!+- Ng3!?


A confusion inducement: 16.Bxg6?? [16.hxg3+-] 16...Nxe2+ 17.Kf2 Nxc1 [17...Nxd4! is best (although all those captures win); 17...fxg6; 17...Bxd4+; 17...hxg6; 17...Rfe8] 18.Raxc1 Bxd4+ [18...hxg6 19.gxh3 Rfe8] 19.cxd4 Bxg2 20.Bxh7+ Kxh7 21.Kxg2 Black is still winning, although it could take a lot of work. 21...Rfe8 22.Kg3 Re2 23.Rf2 Rae8 24.b4 R8e6 25.Rxe2 Rxe2 26.a4 Rb2 27.b5 cxb5 28.Rc5 bxa4 29.Rxd5 [29.Ra5] 29...b5 30.Rd7 a3 31.Rxa7 b4 32.d5 Rd2 [32...a2 33.d6 Rd2] 33.Ra4


33...b3?? [33...a2! is the proper order to advance connected passed pawns here, and THEN ... b3, b2, QUEEN.] 34.Rxa3 b2 35.Ra2?? [35.Rb3=] 35...b1Q 36.Rxd2 Qe1+ 0-1



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