World Cup Highlights - Part 2

by Joshua Doknjas
8/7/2021 – The 2021 FIDE World Cup concluded on August 5 with Jan-Krzysztof Duda defeating Sergey Karjakin by a score of 1½-½ in the finals. Joshua Doknjas takes a look at five interesting games from the second half of the event, focussing on the performances of the two finalists. | Photo: Eric Rosen
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Highlights

In Part 1 of the World Cup highlights, FM Doknjas looked at remarkable games by Daniil Dubov, Magnus Carlsen, Velimir Ivic and M. Amin Tabatabaei.

Six Decisive Games

Sergey Karjakin and Sam Shankland played one of the most exciting matches of the event, with all 6 games ending decisively. In the first classical game, Shankland outplayed Karjakin in a balanced endgame and successfully converted his advantage. The following game saw Karjakin play for a win by avoiding well-known theoretical pathways and employ the King’s Indian Attack in an attempt to reach a complicated middlegame.

 
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1.e4 e6 2.d3!? In recent times, the following line has become fashionable: 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.f4 c5 6.Nf3 Nc6 7.Be3 cxd4 8.Nxd4 Qb6 leading to very forcing play. By avoiding these lines, Karjakin takes Shankland out of his preparation and ensures that the game won't fizzle out quickly. 2...d5 3.Nd2 Nf6 4.Ngf3 Be7 5.g3 a5 A more common move order is 5...c5 followed by developing and then pushing the queenside pawns. 6.Bg2 a4 7.a3 c5 8.0-0 Nc6 9.Re1 0-0 10.e5 Nd7 11.Nf1 b5 12.h4 Bb7 Most players prefer to develop the bishop to a6 and keep the b-file open for the rook. 12...b4 13.Bf4 Ba6 14.N1h2 bxa3 15.bxa3 Rb8 with another complicated middlegame ahead. 13.h5 h6 14.Bf4 Qb6!? Several commentators suggested that this plan employed by Shankland was dubious. Although it brings some major pieces away from the kingside, there are still many defensive resources in Black's position and he has good prospects on the queenside. The real mistake occurs later, on move 18. A more common defensive plan is 14...b4 15.N1h2 Re8! freeing the f8-square for either the bishop or the knight. 16.g4 16.Ng4 Bf8 defending against sacrifices on h6. 16...Nf8 and ...Nh7 to control to the g5-square. 15.Qd2 Rfc8 16.g4 16.N1h2 Qd8 17.Ng4 threatens Bxh6, but can be safely met by Bf8 16...Qd8 17.N1h2 Maintaining the tension and slowly building up the kingside attack. The direct 17.g5 hxg5 18.Nxg5 is countered by Ndxe5! 17...Ra6 18.Kh1 b4?! An unfortunate timing of this queenside advance, which demonstrates how challenging it is to play these complicated middlegames accurately. It was stronger to maintain control over the d4-square with 18...Rb6! 19.Rg1 Nf8 20.g5 20.Bf1 Nh7! completely shuts down White's kingside play. For example, 21.g5 hxg5 22.Nxg5 Nxg5 23.Bxg5 Nxe5 20...hxg5 21.Nxg5 Nxe5! 22.Bxe5 Bxg5 23.f4 Bh6 holds the kingside together. 19.Rg1 Nf8 20.axb4 cxb4 21.d4! A very important idea, preparing to play Bf1-d3, where the bishop supports the attack and moves out of the g1-rook's way. Na5? The computer points out some strong defensive resources in the following lines: 21...a3! 22.b3 22.Bf1 axb2 23.Rb1 Ra1 24.Rxb2 Nh7 and the rook on a1 disrupts White's attacking plans. 22...Nh7 23.Bf1 Raa8 24.g5 Nxg5 25.Nxg5 hxg5 26.Bxg5 Bxg5 27.Rxg5 Nxd4! 28.Bd3 Nf5 and Black hangs on. 22.g5 Nc4 23.Qc1 hxg5 24.Bxg5 b3 25.Bxe7 Qxe7 26.Bf1 Opening the g-file for the rook while Black is severely lacking defenders on the kingside. a3? The last mistake, allowing a decisive breakthrough on the kingside. But Black's position was already close to lost anyway. 27.Rxg7+! Kxg7 28.Ng4 f5 28...Nh7 29.Qh6+ Kg8 30.Bd3 29.exf6+ Qxf6 30.Nxf6 axb2 31.Qg5+ Kf7 32.h6 Ng6 33.Nh4 bxa1Q 34.Qxg6+ Ke7 35.Qg7+ Kd6 36.Qd7# 1–0
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Karjakin,S2757Shankland,S27091–02021C00FIDE World Cup 20216.2

After Karjakin won on demand, the match entered tiebreaks, where Shankland won the first rapid game and put Karjakin in another must-win situation. The second and third rapid games are discussed below.

 
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At the time this game was played, Karjakin had just levelled the match 2-2. 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.h3 Nc6!? Much less common than 6...e5 or 6...e6 and it must have come as a surprise for Karjakin. 7.g4 g6 8.Be3 Nxd4 9.Qxd4 9.Bxd4 Bh6! leads to very unorthodox play. Black will have doubled f-pawns after 10.Bxf6 or 10.Nd5 0-0 11.Bxf6 exf6 but the bishop pair and dark-squared control provide reasonable compensation for the weak pawns. 9...Bg7 10.e5! Despite the success of the second rapid game, where Karjakin won quickly with 10.0-0-0, he avoids Shankland's preparation and deviates with a surprising novelty. This idea was an excellent practical decision because it is extremely difficult for Black to respond correctly in a rapid game. The second rapid game saw 10.0-0-0 Be6? was played rather quickly by Shankland, but he must have mixed up some lines. 10...b5! 11.g5 Nh5 12.Qd3 Bb7 leads to a sharp middlegame. 11.f4 Qa5 12.f5! sacrificing the a2-pawn because the bishop is severely misplaced there. Bxa2 13.Bd2 0-0 14.Nd5 Nxd5 15.Bxa5 Bxd4 16.Rxd4 Ne3 17.Kd2+- Nxf1+ 18.Rxf1 Rfc8 19.b3 1-0 (40) Karjakin,S (2757)-Shankland,S (2709) Sochi RUS 2021 10...Nd7 11.0-0-0 Bxe5 11...dxe5? 12.Qb4 is a disaster for Black because all of the minor pieces are unable to develop. Meanwhile, White's two bishops are extremely powerful. 12.Qd2 Qa5 13.Nd5 The critical position of Karjakin's new idea with 10.e5!? Should Black trade queens or grab the pawn on a2? Qxd2+? The simplest option, but White has overwhelming compensation for the pawn in the arising endgame. 13...Qxa2! 14.Qb4 defending b2 and creating an escape route for the king. b5 The play can become very forcing after 14...Rb8 15.f4 Bg7 16.Ba7! is not easy to calculate either. 15.Nc7+ 15.f4!? Qa1+ 16.Kd2 Qxb2 17.Qe4∞ 15...Kf8 16.Nxa8 Bb7 17.Bh6+ Bg7 18.Bxg7+ Kxg7 19.Qc3+ e5 20.Rxd6 Rxa8 21.Rxd7 Bxh1 22.Qxe5+ Kg8 and Black is okay. 14.Rxd2 Kd8 15.f4 Bg7 16.Bg2 a5 16...h5 17.g5 17.a4 All of Black's counterplay is prevented. Ra6 18.Bf1! Rc6 19.Bb5 Picking up the exchange. h5 20.g5 h4 20...e6 would have made it more difficult for White to break through, but Black is still lost after 21.Bxc6 bxc6 22.Nb6 d5 23.Nxc8 Kxc8 24.c4 followed by activating the h1-rook and opening up the c-files with cxd5. 21.Re1 Nb8 22.Ba7 e6 23.Bxc6 Nxc6 24.Bb6+ Kd7 25.Ne3 Ke7 26.Bc7 Nd4 27.Rd3 Bd7 28.Nd5+ Ke8 29.Nf6+ Bxf6 30.gxf6 Nf5 31.Bxd6 Kd8 32.Red1 Bxa4 33.Be7+ Kc7 34.Bd8+ Kc8 35.Bb6 After Karjakin won this game, Shankland found himself in a must-win situation, but wasn't able to overcome his opponent's defence. Thus, Karjakin advanced to the semi-finals, where he faced Vladimir Fedoseev. 1–0
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WhiteEloWBlackEloBResYearECOEventRnd
Karjakin,S2757Shankland,S27091–02021B90FIDE World Cup 20216.5

Sam Shankland

Sam Shankland | Photo: Eric Rosen

Duda’s Path to Victory

In the second half of the event, Duda defeated Grischuk, Vidit, Carlsen, and Karjakin on his path to tournament victory. Duda described his game with Vidit as the game of his life, allowing him to reach a semi-final match with Carlsen and have good qualification chances for the Candidates. The two players entered a fashionable and concrete variation of the Ruy Lopez which had been prepared thoroughly by both of them. Although the arising endgame should be perfectly fine for Black, Vidit never managed to fully equalize and Duda found several deep ideas to win the game.

 
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1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 b5 6.Bb3 Bc5 7.a4 Rb8 8.c3 In the previous round, Vidit won his match against Vasif Durarbayli with the same opening. That game continued 8.Nxe5 Nxe5 9.d4 Bxd4 10.Qxd4 d6 11.Bf4 c5 12.Qe3?! c4 13.Ba2 Nh5! 14.Nc3 Nxf4 15.Qxf4 0-0 16.axb5 axb5 17.Rad1 Be6 and the light-squared bishop was locked out of the game forever. 0-1 (38) Durarbayli,V (2625)-Vidit,S (2726) Sochi RUS 2021 8...d6 9.d4 Bb6 10.a5! This critical line of the 6...Bc5 Ruy Lopez has been very popular lately. For example, Caruana defended the Black pieces twice in the 2020 Candidates tournament. Ba7 11.h3 Bb7!? A fashionable line which has been tried by a number of top players in 2021, including Caruana, Grischuk, and Giri. 12.Be3 Nxe4 13.d5 The most forcing continuation, leading to some interesting material imbalances. Bxe3 14.dxc6 Nxf2 15.Qe2 Nxh3+ 16.Kh1 Nf2+ 17.Rxf2 Bxf2 18.Qxf2 One recent top-level game saw 18.cxb7 Ba7 19.Bd5 Qd7 20.Nd4 Qe7 21.Bc6+ Kf8 22.Nf3 d5! 23.Qxe5 23.Bxd5? c6 24.Bxc6 Qe6 23...Qxe5 24.Nxe5 Ke7 quickly fizzled out to a draw in ½-½ (31) Grischuk,A (2778)-Giri,A (2776) Zagreb (rapid) 2021. 18...Bxc6 19.Nxe5 Bxg2+ 20.Kg1 Qf6 After the game, Duda pointed out the following line from his preparation: 20...0-0 21.Nxf7 Qe7 22.Nd2 d5! 23.Qxg2 Qe3+ 24.Kh1 Kxf7! which should lead to some forced draw with precise play. 21.Nxf7 Qxf2+ 22.Kxf2 Rf8 23.Kxg2 Rxf7 24.Bxf7+ Kxf7 25.Nd2 Re8 Not a mistake, but considering what happened in the game with 33.Nd3 and 34. Nb4, it may have been more accurate to start with 25...b4. 25...b4! 26.c4 The inclusion of ...b4 and c4 is useful for Black because it will be more difficult for the White knight to capture the a6-pawn (as occurs in the game). Black can play in a similar style to the game with ...Re8 and advance the kingside pawns. Of course the endgame is still quite complicated, but there are better chances of defending here. 25...g5 26.Nf3 g4 27.Nd4 intending Nc6-b4 is tricky to face. 26.Rf1+ Kg6 27.Kf2 h5 28.Rg1+ Kf6 29.Kf3 g6 30.Ne4+ Kg7 31.Nf2 Rf8+ 32.Kg2 Re8? Underestimating White's idea of bringing the knight to the queenside. The active 32...Rf4! was much stronger. 33.Ra1 33.Nd3 Ra4 33...Rc4 34.Nd3 c5 keeps everything under control on the queenside. If the a1-rook ever moves away, then Black will have ...Ra4. 33.Nd3 g5 34.Nb4 Re2+? In view of Duda's idea, the a-pawns should have been exchanged: 34...c5 35.Nxa6 Ra8 36.Nc7 Rxa5 and Black has good chances of holding the game. 35.Kh1! A brilliant idea by Duda. Instead of activating the king on f3, it is tucked away safely on h1 shielded from any checks. 35.Kf3? Rxb2 intending ...g4+ to exploit White's misplaced king. Or if 36.Rxg5+ then Kh6 37.Rd5 Rb3 will liquidate most of the pawns on the queenside and Black should be able to hold. 35...Rxb2 36.Ra1! Much less clear is 36.Nxa6? Ra2 37.Rxg5+ Kf6 38.Rxb5 c6 39.Rxh5 Kg6 40.Rh3 Rxa5 36...c5 37.Nxa6 b4 38.Nxb4! Leading to a queen and rook versus queen and rook endgame, where White is the first to promote and check the opponent's king. cxb4 39.a6 bxc3 40.a7 c2 41.a8Q Rb1+ 42.Kg2 c1Q 43.Ra7+ Kf6 44.Qf8+ Ke5 45.Re7+ Kd5 46.Qf3+ Kc5 47.Rc7+ Kb4 48.Qb7+ Ka5 49.Qa7+ Kb5 50.Qb8+ 1–0
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WhiteEloWBlackEloBResYearECOEventRnd
Duda,J2738Vidit,S27261–02021C78FIDE World Cup 20216.2

Duda faced his biggest challenge in the semi-finals against Carlsen. After three tense games, Duda broke the deadlock by winning with the Black pieces out of a relatively quiet 3.Bb5+ Sicilian. Carlsen tried to create chances by gaining space on the kingside, but his weaknesses on the queenside were too much of a liability. 

 
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1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Qxd7 5.0-0 Nf6 6.Qe2 Nc6 7.c3 e6 8.d4 cxd4 9.cxd4 d5 10.e5 Ne4 11.Nbd2 Nxd2 12.Bxd2 Carlsen has chosen a seemingly quiet variation against Duda's Sicilian. However, both sides can easily run into problems as we will see throughout this game. Bb4 12...Be7 13.g3 0-0 14.Kg2 Rac8 15.h4! playing for some slight pressure on the kingside. f6?! 16.exf6 Bxf6 17.Bc3 Ne7 18.Bb4 Rc6 19.Rad1 Rfc8 20.Bxe7 Qxe7 21.Rd2± and the weak e6-pawn cost Black the game in 1-0 (43) Grandelius,N (2670)-Mamedov,R (2654) Chalons en Champagne 2021 13.Bf4 0-0 14.Qd3 Another way of playing is 14.h4 Rac8 15.h5 h6 16.Rad1 with ideas of expanding on the kingside. Future practice should show whether this way of playing provides White with any real pressure. 14...Be7 15.a3 Rac8 16.g3 A small improvement on the kingside, creating some space for the king on g2. Meanwhile, Duda builds up pressure on the queenside and tries to provoke some weaknesses. Na5 17.b3 Qc6 18.Bd2 Qb6 19.Rfb1 a6 20.Kg2 Nc6 21.Re1 Qb5 22.Qb1 22.Qe3 was also possible, keeping the queen closer to the kingside. The game remains very tense after Rc7 23.h4 Rfc8 24.h5 h6 25.g4∞ 22...Rc7 23.h4 Rfc8 24.Ra2 a5! Intending . ..a4 next to weaken White's control over the light squares. The c4-square in particular quickly turns into a major weakness. An alternative way of playing on the queenside was 24...Na5 but this releases the pressure on White's d4-pawn. 25.Ng5! g6 25...Bxg5 26.a4! (forcing the queen to an undefended square) Qb6 27.hxg5 and Black needs to be very careful because of the open h-file and undefended kingside. 26.h5 Bxg5 27.Bxg5 Qxb3 28.Rb2 and White will bring the queen over to the kingside and try to exploit Black's weak kingside dark-squares. 25.Rh1 25.Rc1 was a more solid way of playing. 25...a4 26.b4? 26.Rb2! Bxa3 27.Ra2 Be7 28.bxa4 Qxb1 29.Rxb1 leads to a satisfactory endgame. 26...h6 27.Be3 Na7! The queenside invasion begins. It has become very clear that Carlsen's kingside play has been unsuccessful and his queenside is on the verge of falling apart. 28.Bd2 Qe2 29.Re1 Qc4 30.Re3 Nb5 31.Rd3 Rc6 32.Rb2 Bd8 The bishop goes to b6 where it will target the d4-pawn. 33.g4 Bb6 34.Be3 Nc3 35.Qf1 Qb5 36.Rc2 Ne4 37.Rxc6 The exchange sacrifice 37.Rc5!? Bxc5 38.dxc5 might have been a better practical try. 37...Rxc6 38.Rd1 Rc4? 38...Qxf1+! 39.Kxf1 Rc3 forces White to defend incredibly passively. Instead, Duda keeps the queens on the board and fights for the c-file. 39.Nd2 Nxd2 40.Rxd2 Qc6 41.Qe2 Rc3 42.Ra2? 42.g5! followed by activating the queen on the kingside would have created more fighting chances. 42...Bd8 43.g5 hxg5 44.hxg5 Qc4 Entering the endgame, both players were extremely low on time and missed several opportunities. 45.Qxc4 dxc4 Duda thought that 45...Rxc4 may have been simpler. Black should not face any difficulties in converting his advantage due to White's weak pawns and the straightforward plan of activating the king (...Kh7-g6-f5). 46.d5 exd5 47.Rd2 Rd3 47...Rxa3! 48.Rxd5 Rd3-+ 48.Rxd3 cxd3 49.f4 Kf8 49...f6! with the idea of activating the d8-bishop and trying to bring it to c3 or b2 eventually. 50.Kf3 Ke7 51.Bc5+ Ke6 52.Ke3 Kf5 53.Kxd3 g6 One trap to avoid is 53...Kxf4?? 54.g6! fxg6 55.e6 54.Be3 Bc7 55.b5?! 55.Bc5! Kxf4?? loses to 56.Bd6 55...Bd8 56.Kd4 Bb6+ 57.Kd3 Bd8 58.Kd4 Be7 59.Bc1 Ke6 60.Bb2 Bd8 61.Kc5 Ba5 62.Bc1? 62.Bd4! keeps the c3-square under control and doesn't allow the passed d-pawn to advance. 62...Bc3! Now the game is over because of how powerful the bishop is on c3. 63.b6 d4 64.Kc4 Kd7 65.Be3 Bb2 66.Bxd4 Bxa3 67.Be3 Bb2 68.Kb4 a3 69.Kb3 Ke6 70.Ka2 Kd5 71.Kb3 Ke4 72.Bd2 Bd4 73.Kxa3 Bxb6 74.Kb4 Bf2 0–1
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WhiteEloWBlackEloBResYearECOEventRnd
Carlsen,M2847Duda,J27380–12021B52FIDE World Cup 20217.4

The final match against Karjakin was won very convincingly by Duda. In the first classical game, Karjakin had the White pieces but seemed to have mixed up his move order in the opening and decided to force a draw. The second classical game saw Duda seize the initiative immediately and create unbearable pressure in an endgame. 

 
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1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 c5 5.cxd5 cxd4 A very solid and fashionable system these days, but it did not serve Karjakin well in this game. 6.Qxd4 exd5 7.Bg5 Duda plays for slight pressure against Karjakin's isolated pawn. The main line 7.e4 leads to some concrete endgames where Black has been holding his own, especially due to the efforts of Wesley So. 7...Be7 8.e3 0-0 Interestingly, before the present game was played, both Duda and Karjakin had played this position earlier in the tournament. Black equalized comfortably in both games. 9.Rd1 9.Bd3 is inaccurate according to Duda. h6 10.Bh4 Nc6 11.Qa4 Bd7! 12.Qd1?! Bg4 13.h3 Bxf3 14.Qxf3 d4 and Black could play for an advantage in ½-½ (28) Duda,J (2738)-Grischuk,A (2778) Sochi RUS 2021 9.Be2 h6 10.Bh4 Nc6 11.Qd3 Qb6 12.0-0 Rd8 13.Nb5 Bg4 with no problems for Black in ½-½ (69) Fedoseev,V (2696)-Karjakin,S (2757) Sochi RUS 2021 9...Nc6 10.Qa4 Be6 11.Bb5 Qb6? Developing the queen to b6 worked well in the Fedoseev - Karjakin game after 9. Be2. But in this position, 11...Qb6 is very dubious because White's pieces are placed much more actively. Future games will likely see a different development plan, such as 11...h6 12.Bh4 Rc8! 13.0-0 a6 12.Bxf6 12.0-0? would give Black time to support the d5-pawn with Rfd8 and a roughly balanced middlegame arises. 12...Bxf6 13.Nxd5 Bxd5 14.Rxd5 Bxb2 15.Ke2! A nice idea by Duda. The king will be better placed on e2 in the endgame. 15.0-0 is more natural and also better for White. 15...Bf6 16.Rhd1 Rac8 17.Bc4 Qb4? The arising endgame looks hopeless for Black, so something else needed to be tried. 17...Rfd8 can be met by either 18.Rd7 or 18.g4 with a lot of pressure on Black's position. 18.Qb3 Qxb3 19.Bxb3 Nb8 20.g4! Black has no defence against White's simple plan of advancing the pawns on the kingside. h6 21.h4 g6 22.g5 hxg5 23.hxg5 Be7 24.Re5 Nc6 25.Rd7‼ The decisive invasion. Bd8 25...Nxe5 loses to 26.Nxe5 Bxg5 27.Nxg6! Rfd8 28.Rxf7 26.Rb5 Na5 26...b6 27.Ne5 Nxe5 28.Rxe5 and Black's pieces are stuck on the back rank. 27.Bd5 Rc7 28.Bxf7+ Kg7 29.Rxc7 Bxc7 30.Bd5 1–0
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WhiteEloWBlackEloBResYearECOEventRnd
Duda,J2738Karjakin,S27571–02021D50FIDE World Cup 20218.2

Jan-Krzysztof Duda

World Cup winner Jan-Krzysztof Duda | Photo: Anastasiia Korolkova

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Joshua Doknjas is a FIDE Master from Canada and the author of two books on the Sicilian Najdorf and Ruy Lopez. He enjoys teaching, following, and writing about chess. Joshua is especially interested in the role of engines during opening preparation and understanding how AI has influenced modern chess.

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