New in Chess Classic: No tiebreaks

by André Schulz
4/29/2021 – None of the players who lost the first set of the quarterfinals could make up for it in the second set. Hikaru Nakamura, Levon Aronian and Shakhriyar Mamedyarov quickly secured their tickets to the semifinals. Magnus Carlsen, after a 2-2 against Radjabov in the first set, won the second set and is also through. | Photo: Alina l’Ami

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On to the semifinals

On the second day of play in the quarterfinals of the New in Chess Classic, the three players who had taken the lead on the first day maintained their advantage.

In the match between Wesley So and Levon Aronian, the Armenian, who recently switched to the US Federation, had won the first set clearly 3-1. The first two games of the second set ended drawn, which meant Wesley So needed a win in the third game. But it was Aronian who scored a full point, ending the second set prematurely, as So could at most equalize in this set, but no longer the overall score.

Endgame analysis by GM Karsten Müller

 
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MoveNResultEloPlayers
1.e41,166,62354%2421---
1.d4947,29855%2434---
1.Nf3281,60256%2441---
1.c4182,10256%2442---
1.g319,70256%2427---
1.b314,26554%2427---
1.f45,89748%2377---
1.Nc33,80151%2384---
1.b41,75648%2380---
1.a31,20654%2404---
1.e31,06848%2408---
1.d395450%2378---
1.g466446%2360---
1.h444653%2374---
1.c343351%2426---
1.h328056%2418---
1.a411060%2466---
1.f39246%2436---
1.Nh38966%2508---
1.Na34262%2482---
1.d4 Nf6 2.Nf3 d5 3.Bf4 c5 4.e3 e6 5.c3 Bd6 6.Bb5+ Nc6 7.Bxc6+ bxc6 8.Bxd6 Qxd6 9.Qa4 0-0 10.Qa3 Ne4 11.Nfd2 cxd4 12.Nxe4 Qxa3 13.Nxa3 dxe4 14.cxd4 Rb8 15.b3 c5 16.dxc5 Ba6 17.Rc1 Rfd8 18.Nc4 Rd5 19.Nd6 f5 20.f3 Bd3 21.Kf2 Kf8 22.g4 Ke7 23.Rhg1 g6 24.Rg3 exf3 25.Rxf3 Ba6 26.e4 Rd2+ 27.Kg1 Rxa2 28.exf5 gxf5 29.gxf5 exf5 30.Re1+ Kd7 31.Nxf5 Kc6 32.Rc1 Rd2 33.Ne7+ Kd7 34.Re3 Rf8 35.Ra1 Rooks in seventh heaven Even in an endgame king attacks do happen: Rff2? This is too radical as Black's rooks can not force a draw. After 35...Bb7! Black counterplay is sufficient, e.g. 36.c6+ 36.Rxa7?? Rd1+ 37.Re1 Rxe1# 36.Rae1 Rg2+ 37.Kh1 Rff2 Only now! 38.c6+ Bxc6 39.Rd3+ Kc7 40.Nxc6 Rxh2+ 41.Kg1 Rhg2+= Here the usual drawing mechanism of the two rooks in seventh heaven works. 36...Bxc6 37.Nxc6 Kxc6 38.Rxa7 Rg8+ 39.Rg3 Rxg3+ 40.hxg3 Rd3 41.Kg2 Rxb3 42.Rxh7 Kd6= 36.Rxa6 Rg2+ 37.Kf1 Rxh2 38.Rxa7+ Ke8 39.Nc6+ Kf8 40.Rf3+ Kg8 41.Ne7+ Kg7 42.Nd5+ Kg8 42...Kg6?! 43.Rf6+ Kg5 44.Rg7+ Kh5 45.Nf4+ Kh4 46.Rh6# 43.Nf6+ Kh8 44.Rxh7+ A radical way to stop Black's counterplay for good. Rxh7 45.Nxh7 Kxh7 46.Rg3!? Aronian cuts the king off in textbook style. 46.Rg3!? Rc2 47.b4 Rc4 48.Rb3 Kg7 49.Ke2! Kf7 50.Kd3 Rc1 51.Rc3+- The natural direct 46.Rc3 wins as well, e.g. Rd8 47.b4 Rb8 48.c6 Kg7 49.c7 Rc8 50.b5 Kf7 51.b6 Ke7 52.b7+- 1–0
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WhiteEloWBlackEloBResYearECOEventRnd
Aronian,L2781So,W27701–02021D02New In Chess Classic KO 20211.2

The match between Shahkriyar Mamedyarov and Alireza Firouzja was a clash between two highly tactical players. Some of the games were correspondingly wild. Mamedyarov had his young opponent well under control on the first day, which gave him a 3-1 victory.

The Azerbaijani then triumphed on the second day of play in a very dynamic and tactical game that started as a London System. Once upon a time, it was said that the London System was a ‘pensioner’s opening’, but the new generation has thoroughly dispelled these and other myths from ancient opening theory.


Firouzja,Alireza - Mamedyarov,Shakhriyar [D02]
NIC Classic KO 2021 chess24.com INT (1.21), 28.04.2021
 

1.d4 d5 2.Nf3 Nf6 3.Bf4 Bf5 4.c4 [The variation with 4.e3 is seen more often.] 4...e6 5.Qb3 [5.Nc3]

 

5...dxc4!? The supposed pawn gain is, in fact, a pawn sacrifice. Black gets some developmental advantage in return. [Also interesting is 5...Nc6!? 6.Qxb7 Nb4 7.Na3 dxc4 8.Qb5+ c6 9.Qxc4 Be7=. After the much more frequently played 5...Qc8 White has achieved good results.]

6.Qxb7 Be4 7.Qxc7 Qxc7 8.Bxc7 Bb4+ 9.Nbd2 Nbd7 [In another online game played recently, the following line was explored: 9...Ke7 10.a3 c3 11.axb4 cxb2 12.Ra2 Rc8 13.Rxb2 Rxc7= 0–1 (49) Bluebaum,M (2670)-Giri,A (2764) chess24.com INT 2021]

10.e3 Rc8 11.Bg3 Bd5 12.a3 Ba5 13.Rc1 Ke7

 

14.Kd1 White wants to free himself from the pin, but the king will be checked later. [The engines recommend 14.Ke2 followed by the complicated sequence 14...Nb6 15.Bh4 Na4 16.e4 c3 17.b4 cxd2 18.Rxc8 Rxc8 19.exd5 Rc2 20.Nxd2 Bc7 21.Kd1 Ra2 22.Nb1=]

14...Nb6 15.Ne5 [15.Bh4 Na4 16.e4 Nxb2+ does not work with the king on d1.]

15...Na4 [15...Bxd2!? 16.Kxd2 Ne4+ 17.Ke1 f6]

 

16.Rc2? The game is lost after this move. [16.f3!? Nxb2+ 17.Kc2 still seems to be playable to a certain extent.]

16...Nxb2+ 17.Rxb2 c3 18.Rb4 [18.Rb5 c2+ 19.Kc1 Bxd2+ 20.Kxd2 c1Q+]

18...cxd2 19.f3 Rc1+ 20.Kxd2 Ra1 21.Kc2 Bxb4 22.axb4 Rc8+ 23.Kb2 Rcc1 0–1


Firouzja was obviously very impressed, conceding a draw by repetition after only 16 moves in the second game and going down again in the third. For Mamedyarov it is the first time he has reached the semifinals of a Meltwater Tour tournament.

The match between Hikaru Nakamura and Le Quang Liem did not go the full distance either. On the first day, Nakamura had won one game and drawn the remaining three. On the second day, the American grandmaster won the very first game and thus put his opponent in an even greater zugzwang. Le did not manage to score a single win. After two draws, Nakamura had reached the semifinals without expending too much energy.

Endgame analysis by GM Karsten Müller

 
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1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 0-0 5.a3 Bxc3+ 6.Qxc3 d5 7.Bg5 dxc4 8.Qxc4 h6 9.Bh4 b6 10.Rd1 Ba6 11.Qa4 Qd7 12.Qc2 Qc6 13.Qxc6 Nxc6 14.Bxf6 gxf6 15.Nf3 Rfd8 16.e3 Bb7 17.Bd3 Ne7 18.Ke2 c5 19.dxc5 bxc5 20.Rd2 Rab8 21.Rc1 Rdc8 22.Rdc2 Bc6 23.Nd2 Kf8 24.b3 Bd5 25.Rc3 f5 26.f3 Ng6 27.b4 a5 28.bxa5 Ne5 29.Rxc5 Rd8 30.Bb5 Nd7 31.Bxd7 Rxd7 32.Nc4 Bxc4+ 33.R1xc4 Rb2+ 34.Rc2 Rb3 35.Ra2 Ra7 36.a4 Rb1 37.Rb5 Rh1 38.h3 Rg1 39.Kf2 Rc1 40.g4 fxg4 41.hxg4 Rh1 42.Kg3 Kg7 43.Rc2 Ra1 44.Rc4 Ra3 45.Kf4 Kf6 46.Ke4 Ra1 47.f4 Rd1 48.Rh5 Kg7 49.Rd4 Rg1 50.Kf3 Rf1+ 51.Kg2 Ra1 52.Rc4 Re1 53.Kf2 Ra1 54.f5 Ra6 55.Re4 exf5 56.Rxf5 Rc6 57.Ref4 Rc7 58.a6 Ra7 59.Rf6 Ra3 60.Rb6 Ra8 61.Re4 Ra7 62.Kf3 Ra8 63.Kf4 Ra1 64.Rd4 Ra3 65.e4 Ra1 66.Ke5 Rc1 67.Kd5 Rd8+ 68.Rd6 Rdc8 Do not rush This is an important endgame principle when the attacker has control and time: 69.e5? This rushs and runs into a tactical refutation. 69.Ke5 wins in the long run, e.g. Re8+ 70.Kf4 Rf1+ 71.Kg3 Rg1+ 72.Kf3 Ra8 73.e5 Re1 74.Re4 Ra1 75.Rb4 Re1 76.Kf4 Rf1+ 77.Kg3 Re1 78.e6 fxe6 79.Rd7+ Kf6 80.a7 Rc1 81.Rb8 Rc8 82.Rxc8 Rxc8 83.Rb7 Ra8 84.Kf4 e5+ 85.Ke4 Kg5 86.Kxe5 Kxg4 87.Kd6 h5 88.Kc7 h4 89.Rb4+ Kg3 90.Kb7+- 69...R8c5+ 70.Ke4 Re1+ 71.Kf4 Rcxe5 72.R6d5 R1e4+ The exchange into a single rook ending is a very good practical decision. 73.Rxe4 Rxd5 74.Rb4 Ra5 Here Black's rook is very well placed and has everything under control. 75.Ke4 Rxa6 76.Kd5 Kg6 77.Kc5 f5? Black again rushs. 77...Kg5 78.Kb5 Ra8 79.a5 f5= was one way to draw. 78.Kb5? Both players miss the nice win in the pawn endgame: 78.Rb6+ Rxb6 79.gxf5+ Kxf5 80.Kxb6 h5 81.a5 h4 82.a6 h3 83.a7 h2 84.a8Q+- 78...Ra8 79.a5 fxg4 80.Rxg4+ Kf5 81.Rg7 h5 82.a6 h4 83.a7 h3 84.Kb6 Kf4 85.Kb7 Rxa7+ 86.Kxa7 h2 87.Rh7 Kg3 88.Kb6 Kg2 89.Kc5 h1R 90.Rxh1 Kxh1 ½–½
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WhiteEloWBlackEloBResYearECOEventRnd
Le,Q2709Nakamura,H2736½–½2021E36New In Chess Classic KO 20211.2

Nakamura noted that it’s been a while since he last won a quarterfinal — a few months in fact. “The semifinal against Mamedyarov will be interesting. He is tactically very, very good”.

The match between Magnus Carlsen and Teimour Radjabov was the only one that did not have a winner on the first day. All four games ended in a draw.

On the second day of play, however, Magnus Carlsen dominated. After another draw in game one, Carlsen outplayed his opponent in the second game. The world champion then held  draws in the remaining two games and was thus confirmed as a semifinalist. He will face Levon Aronian.

All games - Knockout

 
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André Schulz started working for ChessBase in 1991 and is an editor of ChessBase News.

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