St. Louis Rapid: So grabs the lead

by Carlos Alberto Colodro
9/18/2020 – Wesley So, the only player to finish the rapid section undefeated, took the sole lead at the Saint Louis Rapid & Blitz online tournament on Thursday. So obtained back-to-back victories over Levon Aronian and Pentala Harikrishna in rounds 8 and 9 to go into the blitz section atop the standings table. Former leader Magnus Carlsen is now in sole second place, after having finished the day with a loss against Alexander Grischuk. | Photo: Justin Kellar / Saint Louis Chess Club

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Grischuk beats Carlsen

Known for his solid style and his ability in technical positions, Wesley So has managed to consolidate his status as a super-elite player in the last few years. Currently rated 8th, 21st and 4th in the classical, rapid and blitz ratings respectively, So has proven in the past that he has what it takes to win tournaments with accelerated time controls — most notably, the Filipino-born grandmaster won the 2018 “Your Next Move Rapid & Blitz” in Leuven and the 2019 Fischer Random World Championship in Bærum, beating Magnus Carlsen in the final.

Less than a week ago, So beat Carlsen at the Chess 9LX tournament, and he has now leapfrogged the world champion in the standings table of the Saint Louis Rapid & Blitz online event. So won two and drew one on Thursday to remain as the only undefeated player in the field and go into the blitz double round-robin a point ahead of second-placed Carlsen.

Much like So, Alexander Grischuk also finished day three with two wins and a draw, thus climbing up to shared third place. The Russian star defeated Carlsen in round 9, and later commented that his only ambition going into the tournament was to finish in ninth place, because “taking last place is never nice”.

The three-time world blitz champion will get plenty of chances to catch up with the leader, as 18 rounds of 5-minute games (with 3-second increments) will be played on Friday and Saturday to decide the winner of the online event.

Saint Louis Rapid and Blitz 2020

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Round 7: Nakamura wins sharp fight

Four games finished decisively in round 7, with Carlsen continuing his streak of wins with a quick victory over Alireza Firouzja. For Grischuk, Pentala Harikrishna and Hikaru Nakamura, on the other hand, starting the day with a win was a much more difficult task. Nakamura first needed to defend against Levon Aronian’s dangerous-looking attack:

 
Aronian vs. Nakamura - Round 7
Position after 18...f5

White had already given up his dark-squared bishop on h6 a couple of moves earlier, and now found 19.d5, the strongest continuation according to the engines — there followed 19...fxe4 20.Qg5+ Kh7 21.Nxe4 exd5 22.Nxd6 and Black needs to be very precise in order to defend his extremely vulnerable kingside.

Nakamura was up to the task in defence though, and eventually found himself in an ending in which he had an extra bishop trying to deal with White’s connected passers on the kingside while helping his own majority to move forward on the other flank of the board:

 
Position after 47.Rd4

The American converted this position into a 66-move win.

Harikrishna defeated Jeffery Xiong by showing good technique in a knight endgame a pawn up. Grischuk was also a pawn up but in a rook ending against Leinier Dominguez — once the rooks left the board, Dominguez failed to find the correct continuation that would have kept the balance on move 75:

 
Grischuk vs. Dominguez - Round 7
Position after 75.Kf1

75...Ke6 or 75...Kf6 would have saved the draw, while Black’s 75...Kd4 gave away the game. Grischuk found the right path forward — 76.Kg2 Ke3 77.f4 Ke4 78.Kh3 Kf3 79.Kh4 and the black king would have preferred to be placed on the sixth rank, behind his pawn. Dominguez resigned.

 
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1.d4 5 Nf6 5 2.c4 5 e6 3 3.Nc3 12 Bb4 3 4.f3 1 d5 57 5.a3 4 Bxc3+ 1 6.bxc3 3 c6 1 7.a4 171 Qa5 298 8.Qd2 290 0-0 69 9.e3 31 Re8 246 10.Bd3 57 dxc4 174 11.Bxc4 22 b6 4 12.Bd3 355 Ba6 86 13.c4 11 c5 1 14.Ne2 89 Nc6 27 15.Kf2 131 Nb4 206 16.Bb2 159 cxd4 7 17.Nxd4 34 Rad8 49 18.Bc3 59 Nxd3+ 3 19.Qxd3 0 Qc5 1 20.Qc2 22 Bxc4 8 21.Rhd1 26 Nd5 59 22.Bd2 13 e5 14 23.Nf5 14 Nf4 9 24.Kg3 8 Nd3 28 25.Qc3 66 Be6 47 26.Qxc5 18 Nxc5 2 0–1
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WhiteEloWBlackEloBResYearECOEventRnd
Firouzja,A2728Carlsen,M28630–12020E20Saint Louis Rapid 20207
Nepomniachtchi,I2784So,W2770½–½2020C24Saint Louis Rapid 20207
Grischuk,A2777Dominguez Perez,L27581–02020E04Saint Louis Rapid 20207
Aronian,L2773Nakamura,H27360–12020E47Saint Louis Rapid 20207
Harikrishna,P2732Xiong,J27091–02020B06Saint Louis Rapid 20207

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Round 8: Nepomniachtchi’s daily opening collapse

On Wednesday, Nepomniachtchi had lost in 21 moves against Xiong after incorrectly going for a pawn capture on move 10. In round 8, he found himself in a lost position after 15 moves against Dominguez:

 
Dominguez vs. Nepomniachtchi - Round 8
Position after 15...Qxh4

The Russian grandmaster mishandled a Caro-Kann Defence and was in deep trouble after 16.Ne4, as there was no way to prevent White from giving a check from d6, leaving the black king uncastled with the queens still on the board. The game continued 16...Bc6 17.Nd6+ Ke7 18.Be3 Nf4 19.Qd2 Nh3+ 20.Kf1 (20.gxh3 is also possible, but inaccurate) Bd5:

 
Position after 20...Bd5

Dominguez got to end the game with a small tactical shot — 21.Qxd5 and Black resigned due to the coming knight fork from f5.

So showed good technique in a bishop v knight endgame to inflict Aronian’s second consecutive loss, while Carlsen saved a draw from an inferior rook endgame against Xiong. At that point, the world champion was still leading the standings table, a point ahead of So.

 
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1.e4 5 c6 5 2.d4 2 d5 1 3.e5 1 c5 1 4.dxc5 3 e6 1 5.Bd3 2 Nd7 1 6.Nf3 4 Nxc5 5 7.0-0 1 Bd7 7 8.c4 12 Nxd3 9 9.Qxd3 2 Ne7 2 10.Nc3 17 dxc4 5 11.Qxc4 1 Rc8 1 12.Qe2 107 Ng6 49 13.Rd1 177 Be7 13 14.h4 114 Bxh4 15 15.Nxh4 257 Qxh4 185 16.Ne4 257 Bc6 30 17.Nd6+ 4 Ke7 1 18.Be3 1 Nf4 46 19.Qd2 114 Nh3+ 79 20.Kf1 52 Bd5 80 21.Qxd5 53 1–0
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WhiteEloWBlackEloBResYearECOEventRnd
Dominguez Perez,L2758Nepomniachtchi,I27841–02020B12Saint Louis Rapid 20208
Carlsen,M2863Xiong,J2709½–½2020C19Saint Louis Rapid 20208
So,W2770Aronian,L27731–02020C67Saint Louis Rapid 20208
Nakamura,H2736Harikrishna,P2732½–½2020B12Saint Louis Rapid 20208
Firouzja,A2728Grischuk,A2777½–½2020C53Saint Louis Rapid 20208

Round 9: The Dragondorf backfires

Coming from having won four in a row before barely saving a draw, Carlsen decided it was time to take some risks with the black pieces against Grischuk. The world champion chose the Dragondorf variation of the Sicilian, which mixes elements from the Dragon and the Najdorf, both fighting variations in their own right. The Norwegian gave up an exchange on move 19:

 
Grischuk vs. Carlsen - Round 9
Position after 19.Nb4

Carlsen’s 19...Rxc3 was overly optimistic, as White kept things under control on the queenside with 20.bxc3 Qe6 21.Kb2 Rc8 (21...d5 was more to the point) 22.Ba5. Now 22...d5 came a bit too late:

 
Position after 22...d5

White grabbed the initiative with 23.Qa7 Ba8 24.Nxa6 Bf8 and the bothersome 25.Nc7. Carlsen kept trying to find defensive resources until move 46, when he finally conceded defeat.

So leapfrogged the world champion in the standings table by getting the better of Harikrishna in a knight ending:

 
Harikrishna vs. So - Round 9
Position after 61.Kb4

Black correctly calculated that he could leave the a-pawn undefended with 61...Nd5+. After 62.Kxa4 Nf4 63.Nc3 Ng2 64.Ne2 f4 65.Kb4 Nxh4 66.Ng1, So gave up the knight with 66...Nxf3, forcing Harikrishna to resign three moves later, as his knight was by no means enough to stop Black’s connected passers.

Meanwhile, former co-leader Aronian recovered from his two consecutive losses by defeating Dominguez with the white pieces, thus ending the rapid section with an even score.

 
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MoveNResultEloPlayers
1.e41,165,57054%2421---
1.d4946,47455%2434---
1.Nf3281,31256%2441---
1.c4181,93756%2442---
1.g319,68856%2427---
1.b314,23654%2427---
1.f45,88648%2377---
1.Nc33,79651%2384---
1.b41,75348%2380---
1.a31,19754%2403---
1.e31,06848%2408---
1.d394850%2378---
1.g466246%2361---
1.h444653%2374---
1.c342651%2425---
1.h327956%2416---
1.a410860%2468---
1.f39147%2431---
1.Nh38966%2508---
1.Na34262%2482---
1.e4 5 c5 5 2.Nf3 2 d6 1 3.d4 2 cxd4 1 4.Nxd4 0 Nf6 1 5.Nc3 0 g6 2 6.Be3 8 Bg7 6 7.f3 4 a6 1 8.Qd2 23 h5 2 9.Bc4 63 Nbd7 92 10.Bb3 151 Nc5 23 11.0-0-0 4 b5 32 12.Kb1 47 Bb7 72 13.a3 430 Nxb3 121 14.cxb3 211 Rc8 10 15.Nc2 48 Qc7 90 16.Bd4 23 0-0 32 17.Qf2 79 e5 221 18.Bb6 23 Qd7 2 19.Nb4 67 Rxc3 93 20.bxc3 0 Qe6 1 21.Kb2 113 Rc8 8 22.Ba5 71 d5 154 23.Qa7 17 Ba8 2 24.Nxa6 90 Bf8 424 25.Nc7 46 Qe7 33 26.Nxb5 10 Qe8 4 27.Nc7 14 Qe7 1 28.Bb6 24 dxe4 33 29.Nxa8 3 Qxa7 4 30.Bxa7 0 Rxa8 1 31.Bf2 32 Bxa3+ 5 32.Kc2 1 Be7 31 33.Ra1 4 Rc8 1 34.Rhd1 6 exf3 4 35.gxf3 0 e4 1 36.fxe4 25 Nxe4 2 37.Bd4 1 f5 7 38.Kb2 18 Kf7 4 39.b4 3 g5 3 40.Kb3 5 g4 5 41.Ra7 10 Ke6 2 42.Ra6+ 2 Kf7 6 43.c4 21 Bd6 23 44.Bg1 1 Ke7 58 45.c5 4 Be5 3 46.Rd5 5 1–0
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WhiteEloWBlackEloBResYearECOEventRnd
Grischuk,A2777Carlsen,M28631–02020B75Saint Louis Rapid 20209
Nepomniachtchi,I2784Firouzja,A2728½–½2020B10Saint Louis Rapid 20209
Xiong,J2709Nakamura,H2736½–½2020E32Saint Louis Rapid 20209
Harikrishna,P2732So,W27700–12020C67Saint Louis Rapid 20209
Aronian,L2773Dominguez Perez,L27581–02020Saint Louis Rapid 20209

Final standings - Rapid section

Saint Louis Rapid and Blitz 2020

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Carlos Colodro is a Hispanic Philologist from Bolivia. He works as a freelance translator and writer since 2012. A lot of his work is done in chess-related texts, as the game is one of his biggest interests, along with literature and music.

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