Danzhou Masters: Bu races past Duda

by Aditya Pai
7/30/2018 – The third round of the 9th Hainan Danzhou Super Grandmaster tournament was a turbulent affair. Bu Xiangzhi took sole lead beating Le Quang Liem after the latter faltered miserably in a Symmetrical English; Vladimir Fedoseev pulled out a draw from a lost position against Jan-Krzysztof Duda; Vidit Gujrathi broke Sam Shankland's undefeated streak of 62 games; while Yu Yangyi managed to eke out a win in a dead drawn position against Wei Yi. Round 3 report.

The Caro Kann is a very tricky opening. Black’s play is based on controlling and fighting for key light squares. It is a line which was very fashionable in late 90s and early 2000s due to the successes of greats like Karpov, Anand, Dreev etc. Recently due to strong engines lot of key developments have been made and some new lines have been introduced, while others have been refuted altogether. I have analyzed the new trends carefully and found some new ideas for Black.

A thrilling third round

Both of the first two days of the 9th Hainan Danzhou Super Grandmaster tournament had witnessed rounds end with three draws and a decisive result. In the third round, however, this was turned upside down – three games finished decisively while only one finished in a draw. In fact, had Jan-Krzysztof Duda not messed up in a completely winning position against Vladimir Fedoseev, all four games would have finished with a clear winner.

The beneficiary of Duda's faltering wasn't only Fedoseev, who saved half a point, but also Duda's co-leader from round two, Bu Xiangzhi, who managed to take the sole lead in the tournament after winning his game against Le Quang Liem.

Jan-Krzysztof Duda vs Vladimir Fedoseev

It seemed that, in round three, Duda had come to the board with only one intention — to annihilate the enemy king. In a Semi Slav, the Polish number one went straight for the kill. With the white pieces, he not only came up with an opening novelty but also thrust his kingside pawns forward on the first available opportunity. 

 
Duda vs Fedoseev
Position after 15.g4

Kings castled on opposite wings and the ensuing middlegame was a bloody one. Fedoseev had his queen on the wrong side of the board and this made Duda's attack look a lot more dangerous. It didn't take long before Duda's forces unleashed themselves on the black monarch and a series of sacrifices followed.

 
Duda vs Fedoseev
Position after 28...Ke7

Here, Duda continued his attack with the brilliant 29.Ng6+! and after 29...fxg6 30.Rg7+ Nf7, he gave up another exchange with 31.Rxf7+! Continuing energetically after being down a whole rook, he had almost caught Fedoseev’s king in a mating net. Had it not been for a timely queen sacrifice by the Russian grandmaster, his king would have been doomed to death.

 
Duda vs Fedoseev
Position after 39.Rh5

Here, white just threatens too many things. Fedoseev decided to bail out with 39...Qxh5 but this, too, did not look very promising as after 40.Qxh5, white's h-pawn begins to look quite dangerous. But despite all of his advantages, Duda was unable to break through his opponent’s ironclad defence in this endgame. After trying for more than five hours, the Polish GM decided to sign the truce. 

Vladimir Fedoseev during the third round of Danzhou Masters 2018

Fedoseev pulled out a miraculous draw against Duda in the third round | Photo: Official website

 
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1.d4 d5 2.c4 e6 3.Nc3 a6 4.cxd5 exd5 5.Qb3 Nf6 6.Bg5 D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6 c6 7.e3 Be7 8.Bd3N The position is equal. Predecessor: 8.Nf3 Nbd7 9.Bd3 h6 10.Bf4 Nh5 11.Bg3 0-0 12.Rd1 Re8 13.0-0 1/2-1/2 (13) Levin,F (2475)-Landa,K (2604) Paderborn 2017 8...0-0 9.Nge2 Nbd7 10.Qc2 h6 11.Bh4! Ne8 12.Bg3 Nb6 13.h3 Bd6 14.Bf4 a5 15.g4 Qh4 16.Rg1 Nc4 17.Rg3 White is pushing. b5 18.0-0-0 a4 19.Rdg1 a3 19...Be7!= remains equal. 20.b3± Nb2 21.g5 hxg5 21...Ra7± might work better. 22.Bxd6+- 22.Rxg5 Nxd3+ 23.Qxd3 Be7= 22...Nxd6 23.Rxg5 Rd8 23...Nxd3+ 24.Qxd3 Kh8 24.Rxg7+ Kf8 25.Nf4 Nxd3+ 26.Qxd3 Qxf2 26...Bf5 was worth a try. 27.Qf1 Bh7 27.R7g2 Qh4 28.Rg8+ Ke7 Threatens to win with ...Rxg8. 29.Ng6+! 29.Ncxd5+ cxd5 30.Nxd5+ Ke6 29...fxg6 30.Rg7+ Nf7 31.Rxf7+! Kxf7 32.Qxg6+ Ke7 33.Qg7+ Ke8 White must now prevent ...Be6. 34.Qe5+ 34.Rf1 Qe7 35.Qg6+ Kd7 36.Rf7 34...Kf7 34...Qe7? 35.Rg8+ Kd7 36.Rg7+- 35.Qg7+ 35.Rg7+! Kf8 36.Rg5 35...Ke8 36.Qe5+ Kf7! 36...Qe7? 37.Rg8+ Kd7 38.Rg7+- 37.Rg7+! Kf8
... Re8 is the strong threat. 38.Rg5! White wants to mate with Qg7+. Be6
Stronger than 38...Qe1+ 39.Nd1 Qg3 40.Qf6+ Ke8 41.Rxg3 Bg4 42.Rxg4 Rdb8 43.Rg8+ Kd7 44.Rg7+ Ke8 45.Qe7# 39.Rh5! 39.Qf6+?! Bf7± 39...Qxh5 But not 39...Qf2? 40.Qxe6 Qb2+ 41.Kd1+- 40.Qxh5 Ke7 41.Qg5+ Kd7 Black wants to play ...Rg8. 42.Qg7+ Kc8 43.h4 Rg8 44.Qe7 Bd7 45.h5 45.Qd6+- 45...Kc7± 46.Ne2 Rae8! 47.Qc5 Of course not 47.Qxa3?! Ra8= Better is 47.Qf6± 47...Kb7? 47...Rg2!= 48.Nf4 Rg1+ 49.Kd2 Kb7 50.Qxa3 Bg4 48.Qxa3? 48.Nf4+- 48...Rxe3 49.Nf4 Hoping for Qd6. Ra8! 50.Qd6 Rxa2 51.Qxd7+ Kb8 52.Kd1 52.Qd8+ Kb7 53.Kd1 Rxb3 54.Qd7+ Kb6 55.Qd8+ Kb7 56.Qd7+ Kb6 57.Qd8+ Kb7 52...Rxb3 53.Qe8+ Kb7 54.Qe7+ White should try 54.Kc1! Rf3 55.Kb1 54...Ka6= 55.Ne2 Rh3 ( -> ...Rh1+) 55...Rf3!? 56.Ke1 Ra1+ 57.Kd2 Ra2+ 58.Ke1 Ra1+ 59.Kd2 Ra2+ 60.Ke1= 56.Ke1 aiming for Qe8. Rxh5 57.Qc7 Rh1+ 58.Kf2 Rc2 Threatening ...Rd1. 59.Kf3 Rf1+ 60.Ke3 Re1 61.Kd3! Rcxe2 62.Qxc6+ Ka5 With the idea ...Re3+. 63.Qc3+ Ka4? 63...b4 64.Qxb4+ Kxb4 64.Qb4+ Kxb4 Precision: White = 69%, Black = 69%.
½–½
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WhiteEloWBlackEloBResYearECOEventRnd
Duda,J2737Fedoseev,V2707½–½20189th Hainan Danzhou GM 20183

Bu Xiangzhi vs Le Quang Liem

Meanwhile, Duda's co-leader, Bu Xiangzhi found himself in a much better position against GM Le Quang Liem after the Vietnamese GM messed up badly in the opening. On the seventh move in a Symmetrical English, Le Quang Liem came up with the novelty, 7...Nh5 and shed a pawn soon afterwards. This was followed by a queen exchange and after a few minor skirmishes, Bu succeeded in converting the game without much discomfort. 

Bu XIangzhi and Le Quang Liem during their third round game at the Danzhou Masters

Le Quang Liem clearly had an off day in round three | Photo: Official website

 
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1.c4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bf4 d6 LiveBook: 39 Games. A33: Symmetrical English: 2 Nf3 Nf6 3 d4 cxd4 4 Nxd4 e6 5 Nc3 Nc6 6...d5 7.e3 Bb4 8.Be2 Bd7 9.Ndb5 e5 10.Bg5 a6 11.a3 axb5 12.axb4 Rxa1 13.Qxa1 dxc4 14.0-0 0-0 15.Rd1 Qe7 16.Nd5 Qe6 17.Nc7 Qe7 18.Nd5 Qe6 19.Nc7 Qe7 1/2-1/2 (19) Nepomniachtchi,I (2729)-Vachier Lagrave,M (2789) London 2017 7.Bg3 Nh5N Predecessor: 7...a6 8.e4 Be7 9.Be2 0-0 10.0-0 Bd7 11.Nxc6 Bxc6 12.Bf3 Qb6 13.Rb1 Rfd8 14.Qe2 1-0 (66) Fernandez,R-Lobato Soriano,M Seville 2001 8.e3 Nxg3 The position is equal. 9.hxg3 Bd7 10.Ndb5 Qb6 11.Qd2 0-0-0 12.Ne4 Kb8 13.Nbxd6 f5 14.c5 Qc7 14...Qb4 15.Ng5 Black must now prevent Ngf7. White has strong initiative. Ne5 16.Rc1 16.Rxh7?! Rxh7 17.Nxh7 Be7= 16...Bxd6 17.cxd6 17.Qxd6?! h6 17...Qb6 18.Qd4 18.Rxh7?! Rxh7 19.Nxh7 Nf7 18...Rc8 18...Qa5+± 19.b4 Qa3 19.Rxc8++- Rxc8 20.Qxb6! 20.Qxe5 Rc1+ 21.Ke2 Qc6= 20...axb6 21.f4! Inferior is 21.Nxh7 Nd3+ 22.Ke2 22.Bxd3 Rc1+ 23.Ke2 Rxh1= 22...Nxb2 21...Ng4 22.Rxh7 Rc1+ 23.Kd2 Rxf1 24.Rxg7 Rf2+ 25.Kc3 White has strong compensation. Nf6 26.Rf7 Nd5+ 27.Kb3 Bc6 28.d7 Don't take 28.Nxe6?! Re2+- 28...Bxd7 29.Rxd7 Rxg2 30.Nxe6 Rxg3 Endgame KRN-KRN 31.Rd8+ Weaker is 31.Rxd5 Rxe3+ 32.Kc2 Rxe6+- 31...Ka7 32.Rxd5 Rxe3+ 33.Kc4 Rxe6 34.Rxf5 KR-KR Re2 35.b4 Rxa2? 35...Re4+ 36.Kb5 Re3 36.b5 Ra4+ 37.Kd3! Kb8 38.Ke3! Ra3+ 39.Ke4 Ra4+ 40.Kf3 Rd4 41.Ke3! Rd1 42.Ke4! Re1+ 43.Kd4 Rd1+
44.Ke5! Kc7 44...Re1+ 45.Kd6 Rf1 46.Rf8+ Ka7 45.Rg5 Re1+
46.Kd5! Rf1 47.f5 Kd7 48.Rg7+ Kd8 49.Ke6 White mates. Re1+ 50.Kf7 Kd7 51.f6 Kd6 52.Kf8 Ra1 53.Rg2 Rb1 54.f7 Rxb5 55.Rg6+ Kc7 56.Kg7 Rf5 57.Rf6 Precision: White = 96%, Black = 52%.
1–0
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WhiteEloWBlackEloBResYearECOEventRnd
Bu,X2712Le,Q27281–020189th Hainan Danzhou GM 20183

Vidit Gujrathi vs Sam Shankland

Having lost and drawn in the first two rounds, the Indian number three registered an emphatic win over GM Samuel Shankland in round three, breaking the American grandmaster’s streak of 62 unbeaten games.

Shankland took to Facebook to voice his sorrow

A couple of rounds ago, Vidit’s own long unbeaten streak of 40 games was broken with a loss against the Polish GM Jan Krzysztof Duda. With this win, Vidit has climbed up to the joint third place on the leaderboard.

In the game, Vidit acquired an early advantage with the white pieces in a Slav Defence and was dominating out of the opening.

 
Vidit Gujrathi vs Sam Shankland
Position after 29.Qa5

All trumps are in Vidit's hands in this position. It is he who has the space advantage, the two bishops and control over the a-file, which is, practically, the only open file on the board. Here, Shankland played 29...Kf8, allowing Vidit to take over the initiative with the bishop manoeuvre Bc7-d6. Shankland fought tooth and nail to hold his position together over the next few moves but the cramped position he was in only got worse with each passing move. On his 46th turn he made his final error.

 
Gujrathi vs Shankland
Position after 46.g4

Vidit had opened another front of attack here with 46.g4. Shankland's response 46...Qa8 allowed Vidit to win two pawns and even liquidate into a queen endgame after 47.Bxe7 Nxe7 48.Qxe7 Qxa6 49.Qxe6+ followed by 50.Qxf5. The game went on for a few more moves but the outcome of the game was never in doubt. 

Vidit Gurathi during his third round game at the Danzhou Masters

Third time is a charm, they say. And so it was for Vidit Gujrathi who won after a loss and a draw in the first two rounds | Photo: Official website

 
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1.c4 c6 2.d4 d5 3.Nf3 Nf6 4.e3 Bg4 5.h3 Bxf3 6.Qxf3 e6 7.Nc3 Bb4 D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4 8.Bd3 0-0 9.0-0 Nbd7 10.Qd1 Qe7 10...Re8 11.Bd2 dxc4 12.Bxc4 Qe7 13.a3 Bd6 14.Qc2 Rad8 15.Rfd1 h5 16.b4 h4 0-1 (35) So,W (2815)-Carlsen,M (2832) chess.com INT 2017 11.Qb3 Rab8 LiveBook: 4 Games 12.c5 Ba5 13.Qa4 Bc7 14.f4 14.Qxa7? Ra8-+ 14...a5 15.a3 Ra8 16.Bd2 Rfb8 17.Qc2 b6 18.b4
18...axb4N Predecessor: 18...Qd8 19.cxb6 Nxb6 1-0 (68) Kosic,D (2519) -Mastrovasilis,D (2574) Mallorca 2004 19.axb4 bxc5 20.bxc5 Ba5 21.Ra4 Bxc3 22.Bxc3 Nf8 23.Rfa1 Rxa4 24.Rxa4 Ng6 25.Ba5 Ra8 26.Bb6 White should play 26.Be1± Rxa4 27.Qxa4 26...Qb7= 27.Qa2 Rxa4 28.Qxa4 Ne7 29.Qa5 Kf8 29...Nf5= keeps the balance. 30.Bc7! White has strong initiative. Ne8 30...Nf5± 31.Bd6!+- f5 32.Qd8 Strongly threatening Ba6! Kf7 33.Ba6 Qa7 34.Kh2 Nf6
34...h6± was called for. 35.Kg1 Nf6 35.Qb6! Qd7 36.Qb8 Nfg8 37.Kg1 Qe8 38.Qa7 Qd8 intending ...Qa5. 39.Bb7 aiming for Bxc6. Kg6 40.Qa6 Qe8 41.Kf1 h6 42.Qb6 Kh7 43.Qc7 Kg6 43...e5 44.Bxe5 44.fxe5 f4± 44...h5 44.Ke1 Kh5 45.Ba6 Kg6 46.g4 46.Kf2+- 46...Qa8? 46...fxg4± 47.hxg4 Qa8 47.Bxe7 Nxe7 48.Qxe7 Qxa6 49.Qxe6+ Endgame KQ-KQ Kh7 50.Qxf5+ Kh8 51.Qf8+ Kh7 52.Qf5+ 52.f5 52...Kh8! 53.g5 Qa1+ 54.Kf2 Qb2+ 55.Kf3 Qc1 56.g6? 56.gxh6+- Threatening mate with Qf8+. gxh6 57.Qf6+ Kh7 58.Qe7+ Kg8 59.Qe8+ Kg7 60.Qd7+ Kf8 61.Qxc6 56...Qf1+?
56...Qd1+= 57.Kg3 Qg1+ 58.Kh4 Qf2+ 59.Kh5 Qe2+ 60.Qg4 Qa6 57.Kg4! Qg2+? 57...Qe2+= 58.Kh4 Qf2+ 59.Kh5 Qe2+ 60.Qg4 Qa6 58.Kh5 White mates. Qe2+ 59.Qg4 Qa6 60.Kh4 Qa8 61.Qd7 h5 62.Kg3 Kg8 63.Kf3 h4 64.Qe6+ Kh8 65.Qe7 Precision: White = 65%, Black = 40%.
1–0
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WhiteEloWBlackEloBResYearECOEventRnd
Vidit,S2718Shankland,S27271–020189th Hainan Danzhou GM 20183

Wei Yi vs Yu Yangyi

The all-Chinese battle between Wei Yi and Yu Yangyi resolved in a surprise win for the latter. Yu Yangyi had essayed the Petroff Defence with the black pieces, an opening he had side-stepped in the previous round against Bu Xiangzhi. The position had remained equal all through the game. Wei had an extra pawn in the game but his crooked pawn structure rendered the position equal.

 
Wei Yi vs Yu Yangyi
Position after 35.Bf5

Until this point, it was all hunky-dory for Wei Yi. The computer suggests giving up the pawn here with 36.Rd1. But Wei Yi played 36.Bxf5 and after 36...Kxf5, lost two pawns back to back. And it wasn't long before he decided to throw in the towel. 

We Yi and Yu Yangyi during their third round game at the Danzhou Masters

Wei Yi went down surprisingly fast in an equal looking endgame against Yu Yangyi | Photo: Official website

 
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1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.Nc3 Nf6 6.d4 Be7 7.Bd3 0-0 8.0-0 C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves 8.h3 Re8 9.0-0 b6 10.Ne2 Bb7 11.Ng3 Nbd7 12.c3 Bf8 13.Bg5 g6 14.Re1 Rxe1+ 15.Nxe1 Bg7 0-1 (44) Zhao,J (2611)-Yu,Y (2759) Tianjin 2018 8...Nc6 LiveBook: 4 Games 9.d5 Ne5 10.Nxe5 White is slightly better. dxe5 11.Re1 Nd7N Predecessor: 11...Bd6 12.Bg5 h6 13.Bh4 g5 14.Bg3 Re8 15.h3 a6 1/2-1/2 (37) Cmor,N (1956)-Zagorsek,D (1862) Ptuj 2014 12.Ne4 12.Qf3 feels hotter. a6 13.Qh3 g6 14.Bh6 Nf6 15.Qf3 12...Nf6 13.Nxf6+ Bxf6 14.Qf3 Re8 15.c4 b6 16.Bd2 Qd7 17.Re4 White should play 17.Rad1± 17...c6= 18.dxc6 Qxc6 19.Rxe5 Bb7 20.Qxc6 Bxc6 21.Rxe8+ Rxe8 22.Bc3 Bxc3 23.bxc3 Endgame KRB-KRB Re5 24.f3 Kf8 25.Kf2 But not 25.Bxh7? g6 25...h6 26.a3 g5 27.g3 Ke7 28.f4 gxf4 29.gxf4 Rh5 30.Kg3 Bd7 Black has compensation. 31.h4 Rc5 32.Re1+ Kf6 33.Rb1 Ra5 34.Ra1 Rc5 35.Rb1 Bf5! 36.Bxf5 Kxf5 KR-KR 37.Rd1 37.Rb4 was worth a try. 37...Rxc4-+ Black is clearly better. 38.Rd5+
38...Ke6! 39.Re5+ Kf6 40.Kg4 40.Re3 40...Rxc3 41.a4
41...Rc5! Precision: White = 51%, Black = 70%.
0–1
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WhiteEloWBlackEloBResYearECOEventRnd
Wei,Y2729Yu,Y27620–120189th Hainan Danzhou GM 20183

Standings after round 3

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Watch round 4 live

 
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Aditya Pai is an ardent chess fan, avid reader, and a film lover. He holds a Master's in English Literature and used to work as an advertising copywriter before joining the ChessBase India team.

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