Magnus Carlsen triumphs in Casablanca Chess Variant Tournament

by ChessBase
5/20/2024 – Magnus Carlsen scored 4½/6 points to claim outright victory in the inaugural edition of the Casablanca Chess Tournament. On the second day of action, Carlsen beat Bassem Amin and signed draws against Hikaru Nakamura and Vishy Anand. Nakamura finished in second place with 3½ points. | Photo: Lennart Ootes

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“A fun format for sure”

Text by Anna Burtasova, Casablanca Chess Press Officer

The inaugural Casablanca Chess tournament took place over the weekend of May 18-19, 2024. This unique event featured chess grandmasters Magnus Carlsen, Hikaru Nakamura, Viswanathan Anand, and Bassem Amin competing in the new Casablanca Chess Variant, a format designed to honour the history of chess. The play began from positions taken from historical games, chosen by Grandmasters Hicham Hamdouchi and Laurent Fressinet.

On the second day, Magnus Carlsen, leading with 2½ points out of 3, won another game and drew two for a final score of 4½ out of 6. Carlsen is the winner of the first Casablanca Chess Variant Tournament. Hikaru Nakamura finished second with 3½ points, followed by Viswanathan Anand with 3 points and Bassem Amin with 1 point.


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Round 4

The first game of the second day began from a position selected by Women Grandmasters Dana Reizniece-Ozola (Deputy Chair of the FIDE Management Board) and Anna Burtasova (Casablanca Chess Press Officer). The choice was between Botvinnik-Tal 1960, Alekhine-Euwe 1935, and Ju-Goryachkina 2020. Dana and Anna chose the second position, describing it as “dynamic with chances for both sides, perfect for spectators”.

The original game, Game 3 from the 1935 World Championship match, was won by Alekhine in 41 moves. It derived from the double-edged Winawer Variation in the French Defence. The game continued 9.Ne2 Nbd7 10.Ng3 Rg6.

Viswanathan Anand and Magnus Carlsen followed the original game for two moves before Carlsen deviated with 10…Qa5. Despite an initial advantage for White, the game soon balanced out. Carlsen found a beautiful way to force a draw by sacrificing his rook on g2.

Anand v. Carlsen

19...Rxg2+ 20.Kxg2 Nf4+ 21.Kg1 Nh3+ 22.Kg2 Nf4+ 23.Kg1 Nh3+ ½-½

In the other game, Bassem Amin, playing white against Hikaru Nakamura, deviated right away by playing 9.dxc5. The players quickly exchanged queens and reached an equal endgame. However, Nakamura gradually outplayed Amin and secured a win.

Nakamura shared his thoughts after the game:

I thought that this position was actually a little bit better for White, a little easier with the two bishops; it felt like Black would have to prove the equality. I would have been much happier to play on the white side. I got a little bit lucky because my opponent tried to simplify, but the simplification was just bad, in my opinion.

Hikaru Nakamura

Hikaru Nakamura | Photo: Lennart Ootes

Round 4 games

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1.e4 15:20 e6 15:20 2.d4 d5 10 3.Nc3 20 Bb4 10 4.a3 10 Bxc3+ 5.bxc3 dxe4 6.Qg4 20 Nf6 30 7.Qxg7 10 Rg8 10 8.Qh6 0 c5 10 9.dxc5 20 C15: French: 3 Nc3 Bb4: Unusual White 4th moves. Rg6 0 10.Qe3 0 Qa5 11.Rb1 20 Nbd7 30 12.Ne2 10 Qxc5 10 13.Qxc5N 0 Predecessor: 13.Nf4 Rg8 14.Bb5 Qc7 15.Qd4 e5 16.Nd5 Nxd5 17.Qxd5 Qxc3+ 18.Ke2 Qd4 19.Qxd4 exd4 0-1 Walter,T (2131)-Laubert,J (2017) Regionalliga NO 1011 2010 (6.6) 13...Nxc5 0 14.Be3 0 b6 15.Nf4 30 Rg8 30 16.Bb5+ 0 Bd7 0 17.Bxc5! 0 bxc5 0 18.Bxd7+ 0 Nxd7 30 19.0-0 0 Ke7 0 20.Rfe1 20.f3= was preferrable. 20...Rab8 0 21.Rb3 0 f5 22.f3 0 Nf6 0 22...exf3 23.Rxe6+ 23.Nxe6? Rxg2+ 24.Kf1 Rxb3 23...Kf7 24.Ra6 23.Kf2 0 e5 24.Nh3 1:30 Rb6 1:00 25.c4 10
25.Kf1 25...Rd6 10 25...Rd8! And now ...Rd4 would win. 26.Ke2 Rd4 26.Rb7+ 0 Ke6 10 27.g3 20 Ra6 0 Black should play 27...Rd2+ 28.Re2 Rxe2+ 29.Kxe2 f4 29...exf3+ 30.Kxf3 Ng4 31.Rxh7 28.f4!= 0 Ng4+ 28...Rxa3 29.Ng5+ Kd6 30.Nf7+ Ke6 30...Kc6 31.Re7= 31.Rd1 31.Nxe5 h5= 31...Ng4+ 32.Ke1 32.Kg1 Ra6= 29.Kg2 20 29.Kg1!= 29...Rd8 30 29...Rxa3 Threatens to win with ...Rd8. 30.Rc7 Rd8 30...Ne3+ 31.Kh1 31.Ng5+ Kf6 31...Kd6? 32.Rxh7 Kc6 33.fxe5-+ 30.Re2 0 30.Ng5+ Kf6 31.h3 Rd2+ 32.Kg1 exf4 33.Nxh7+ Ke5 34.gxf4+ Kxf4 35.hxg4 30...Rxa3-+ 0 31.Ng5+ 0 Kf6 0 32.h4? 32.c3 exf4 32...Rxc3 33.Ra2-+ 33.gxf4 32...exf4-+ 30 33.gxf4 17 h6 10 34.Rf7+ 17 Kg6 0 35.h5+ 3 Kxh5 36.Ne6 33 Rd1 30 37.Ng7+ 0 Kg6 0 38.Rc7 20 Ne3+ 0 39.Kh2 0 Nf1+ 30 39...Nxc4? is the wrong capture. 40.Rg2+ Kf6 41.Ne8+ 41.Rxc5? too greedy. Ne3-+ 41...Ke6 42.Rg6+ 42.Rxc5? loses. Ne3-+ 42...Kd5 43.Rd7++- 43.Rxh6? Rd2+ 44.Kh1 Ra1# 43.Rxh6? Rd2+ 44.Kh1 Ra1# 40.Kg2 0 Rg3+ 0 41.Kh1 1 Rh3+ 0 42.Kg1 15 Ne3+ 0
0–1
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WhiteEloWBlackEloBResYearECOEventRnd
Amin,B2683Nakamura,H27950–12024C15Casablanca Chess 20244.1
Anand,V2751Carlsen,M2830½–½2024C15Casablanca Chess 20244.2

Round 5

The position for round 5 was chosen by the YouTube and Twitch audience. It was a close run between Kasparov-Karpov 1987, Ushenina-Hou 2013, and Zhu-Kosteniuk 2001.

The Kasparov-Karpov game won by a slight margin of 37.17% votes against Ushenina-Hou with 35.65%. The final game of the 1987 match between Kasparov and Karpov was selected. It finished in a 64-move win for Kasparov.

“…someone ran into the meeting room to announce, ‘Karpov resigned!’ It was, without question, the loudest and longest-standing ovation I had ever received outside my native country. […] I had done what Karpov had failed to do in 1985: won the final game and drawn the match to retain my title”, wrote Garry Kasparov in How Life Imitates Chess (2007, Bloomsbury Publishing USA).

The original game continued 9.Nc3 Ne4 10.Ne2 a5 11.d3 Bf6 12.Qc2 Bxb2 13.Qxb2 Nd6.

Both Hikaru Nakamura, with white against Viswanathan Anand, and Magnus Carlsen, with white against Bassem Amin, chose 9.Qe2. Both Nakamura and Carlsen went for a plan of extending their kingside pawns, but with different effects: Nakamura-Anand ended in a draw, whereas Carlsen gained the upper hand against Amin.

Bassem Amin

Bassem Amin | Photo: Lennart Ootes

Round 5 games

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1.c4 15:20 e6 15:20 2.Nf3 Nf6 10 3.g3 20 d5 4.b3 Be7 20 5.Bg2 0-0 10 6.0-0 b6 10 7.Bb2 40 Bb7 10 8.e3 0 Nbd7 0 9.Qe2 20 c5 0 10.Rd1 Qc7 30 11.Nc3 20 Rad8 0 11...dxc4 with more complications. 12.Nb5 Qb8 13.bxc4 a6 12.Rac1 10 Qb8 0 13.Nh4 0 13.d4= 13...dxc4 13...d4 14.Nb1 g5 14.bxc4= 20 Bxg2 0 15.Nxg2 10 a6 50 16.f4 0 Qb7 10 17.a4 0 Ne4 18.Nb1 30 Nd6 20 19.d3 0 b5 0 20.axb5 0 axb5 0 21.cxb5 0 Qxb5 22.Ne1 40 Rb8 0 23.Rc2 10 Rfc8 0 24.Nd2 0 Bf6 0 25.Bxf6 0 Nxf6 1:10 26.e4 0
Black must now prevent e5. 26...Nd7 0 27.Rdc1 40 Qa6 0 28.Nef3 0 h6 0 29.g4 Rd8 0 30.h4 0 Nb5 0 31.Nc4 Nf8 0 32.Ra2 0 Qb7 33.g5 1:00 hxg5! 0 34.hxg5 10 Ng6 0 35.Nfe5
Qg4 would now be deadly. 35...Nd4? 1:40       35...Nxf4? too greedy. 36.Qe3 Nxd3 37.Nxd3+- 35...Nd6!= 36.Qe3? 0 36.Qg4+- 36...Nxe5? 10 Better is 36...Nc6! 37.Nxe5? 0 Only move: 37.fxe5+- Qe7 38.Rf1 37...Nc6! 10 The position is equal. 38.Ng4 40 38.Qh3 looks sharper. Nxe5 39.fxe5 Qb3 40.Rh2 38...c4 0       Black has the initiative. 39.dxc4 0 Qb3 20 40.Qxb3 0 Rxb3 0 41.c5 0 Nb4 0 42.Rg2 Nd3 0 Inhibits Ne5. 43.Rd1 7 Hoping for Ne5. Rc8 44.Rg3 53 Nxc5 0 45.Rxb3 0 Nxb3 0       Endgame. KRN-KRN 46.Kf2 0 Rc2+ 0 47.Ke3 0 Rc3+ 0 48.Rd3 Rxd3+ 49.Kxd3 0 KN-KN Kf8 0 50.f5 1:00 exf5 0 51.exf5 0 Ke7 0 52.f6+ 20 gxf6 0 53.gxf6+ 10 Ke6 54.Nh6 0 Kxf6 0 55.Nxf7 Kxf7 Weighted Error Value: White=0.26 (precise) /Black=0.20 (precise) . Loses game: --- Black=2 Missed win: White=2 --- Mistake: White=1 Black=1 Inaccurate: --- Black=2 OK: White=15 Black=20 Strong: --- Black=2
½–½
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WhiteEloWBlackEloBResYearECOEventRnd
Nakamura,H2795Anand,V2751½–½2024A14Casablanca Chess 20245.1
Carlsen,M2830Amin,B26831–02024A14Casablanca Chess 20245.2

Round 6

Going into the final round, Carlsen was in the lead with 4 points, followed by Nakamura with 3 points. The American player needed only a win with black against the leader to force a playoff for first.

The players chose the starting position for the final game from the three options from women’s games: Graf-Menchik 1934, Gaprindashvili-Alexandria 1975, and Xie-Galliamova 1999. All players except Amin chose the third one, and so they had to start the games from move 15 in Game 2 of the 1999 Women’s World Championship.

The original game continued with immediate assault on the kingside: 15.g4 fxg4 16.h3 gxh3 17.Bxh3 Qc7 18.f5 O-O-O. Anand opted for 15.Ne2, following up with g4 a move later. He capitalized on Amin’s blunder on move 23 and quickly converted his advantage to a win.

Magnus Carlsen repeated the original game, deviating on move 18 with 18.Qg1. On the 24th move, Carlsen got a great position after adventurous 24…Qf2 from Nakamura. However, on move 27, the Norwegian did not find the best continuation, giving away the advantage with 27.Rh8 (diagram). After that, the game quickly ended with a repetition, making Carlsen the winner of the tournament.

Carlsen v. Nakamura

Hikaru Nakamura, Magnus Carlsen

Hikaru Nakamura and Magnus Carlsen | Photo: Lennart Ootes

Round 6 games

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1.e4 15:20 c5 2.Nf3 Nc6 3.d4 20 cxd4 4.Nxd4 10 Nf6 15:50 5.Nc3 10 d6 10 6.Bg5 10 e6 10 7.Qd2 10 a6 10 8.0-0-0 10 Nxd4 10 9.Qxd4 10 Be7 10 10.f4 10 b5 11.Bxf6 10 gxf6 20 12.e5 d5 10 13.Kb1 Bd7 10 14.Qe3 0 Threatens to win with exf6. f5 0 15.Ne2 b4 0 The position is equal. 16.Qf3 White should try 16.g4 fxg4 17.h3 16...Qb6 0 17.g4 fxg4 40 18.Qxg4 1:10 0-0-0 10 19.Qh5 10 f5 10 20.Rg1 10 20.exf6! Bxf6 21.Qh6 20...a5 0 21.Rg7 10 Bf8 0 22.Rxh7 10 Rxh7 30 23.Qxh7 0 Qf2? 10       23...Kb8= 24.Nd4+- 20       White is clearly winning. Qxf4 10
25.Nxe6! 0       Qxe5 0 26.Ba6+ 20 26.Nxd8 Bg7 27.c3 bxc3 28.bxc3 Qb8+ 29.Kc2 Ba4+ 30.Kc1 Qf4+ 31.Kb1 Qb8+ 26...Kb8 0
27.Nxf8! 0 Weighted Error Value: White=0.23 (precise) /Black=0.65. Loses game: --- Black=1 Mistake: White=2 --- Inaccurate: --- Black=3 OK: White=2 Black=1 Best: White=1 Black=1 Strong: White=1 --- Stronger than 27.Nxd8 Bg7 28.c3 bxc3=
1–0
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WhiteEloWBlackEloBResYearECOEventRnd
Anand,V2751Amin,B26831–02024B66Casablanca Chess 20246.1
Carlsen,M2830Nakamura,H2795½–½2024B66Casablanca Chess 20246.2

Magnus Carlsen expressed his enjoyment of the innovative format:

It was a fun format for sure, I would definitely like to try it again. With one exception in game two, all the positions were very rich with lots of play. It doesn’t really matter if you are playing White or Black, because you know that the position is equal and there are chances for both sides. It is also a lot of fun to end up in positions that I don’t play too often. I enjoyed it a lot.

At the closing ceremony, Tarik Senhaji, the CEO of the Casablanca Stock Exchange, said that the organizers of the Morocco Chess Week were very grateful for the High Patronage of His Majesty King Mohammed VI. Senhaji expressed his gratitude to the event’s organizers and partners. These included the Casablanca Stock Exchange, Casablanca Events & Animation, the International Chess Federation, and the Royal Moroccan Chess Federation. He extended his heartfelt thanks to all those who worked tirelessly to ensure the event’s success. He also acknowledged the local chess enthusiasts, whose daily presence and enthusiasm added to the vibrancy of the venue.

Tarik Senhaji was joined on the stage by Dana Reizniece-Ozola (Deputy Chair of FIDE Management Board), Bouchra Kadiri (President of the Provisional Committee in charge of the Moroccan Royal Chess Federation), and the ‘board masters’ Hicham Hamdouchi and Laurent Fressinet who selected the historical positions.

As the audience erupted in applause, the players were presented with their well-deserved awards. Nakamura, Anand, and Amin each received traditional cups. Magnus Carlsen, the winner, was bestowed with a sophisticated trophy shaped like a knight.

Magnus Carlsen

Tournament winner Magnus Carlsen | Photo: Lennart Ootes

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