Biel: Mamedyarov defeats Carlsen and wins it all

by André Schulz
8/1/2018 – Magnus Carlsen needed a win over Shakhriyar Mamedyarov in the ninth round to have a realistic chance of finishing first at the Accentus Biel GM Tournament. He played ambitiously and the game eventually escaped his control completely. Mamedyarov kept a cool head and took advantage of the World Champion's mistakes to win the game and secure tournament victory with a round to spare. MIKHAIL GOLUBEV analysed the key match-up and the two draws from round nine. | Photos: Lennart Ootes / Simon Bohnenblust / Biel International Chess Festival

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A perfect finish

The most expected game of the event did not disappoint, as Carlsen clearly had his eye on winning the tournament. Lagging one point behind Mamedyarov, he knew that it would be naïve to think that after a draw he would be able to tie with Shakhriyar in the last round — although it was not impossible.

Carlsen went all-in and his plan backfired | Photo: Lennart Ootes / Biel International Chess Festival

Consequently, Magnus answered to Shak's 1.d4 with a King's Indian Defence, but the Azeri player calmly went into a Fianchetto Variation. By playing 6...c5, Carlsen tried to get a Benoni structure and once again his opponent replied with a quiet move, 8.e3. Finally, Carlsen decided that his best chance was to battle in a Grünfeld-like structure. White had a comfortable play, as he avoided creating weaknesses in his camp.

 
Mamedyarov - Carlsen
Position after 19.Qd3

At the press conference after the game, Carlsen recognised that he had overestimated his position. His manoeuver 19...Bf5 20.e4 Bd7 was a mistake — the World Champion overlooked the continuation 21.Qe3. From that moment on, Carlsen felt that he had played too riskily, missing moves that he would not miss normally.

Mamedyarov started ploughing ahead with his central pawns and the players quickly went into an endgame with rooks and bishops of opposite colour — and, most importantly, White was a pawn up. In fact, when Carlsen erred with 26...Qf8, Ian Rogers at the commentary room called his next move, 27...Be6, "almost desperation". It was clear that only two results were possible.

 
Position after 38...Be7

Both players thought that the endgame was difficult to win, but Carlsen showed imprecise play and ended up resigning on move 57. 

Mikhail Golubev sent a detailed analysis of perhaps the most memorable game of the event:

 
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1.e41,164,14354%2421---
1.d4945,55855%2434---
1.Nf3280,97656%2441---
1.c4181,75256%2442---
1.g319,67356%2427---
1.b314,21954%2427---
1.f45,88248%2377---
1.Nc33,79051%2384---
1.b41,75048%2380---
1.a31,19654%2403---
1.e31,06648%2408---
1.d394550%2378---
1.g466246%2361---
1.h444653%2374---
1.c342551%2424---
1.h327856%2416---
1.a410860%2468---
1.f39046%2432---
1.Nh38966%2508---
1.Na34163%2485---
1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 0-0 5.Nc3 d6 6.Nf3 c5 6...Nc6 7.0-0 e5 was played by Navara against Georgiadis in Round 2. 7.0-0 Nc6! 8.e3 Surely, not a critical move. The Yugoslav system of the King's Indian has been only rarely seen in practice of both opponents and in these games were tested the main lines with 8.d5 Na5! 9.Nd2 and 8.dxc5 dxc5 8...d5!? A curious idea, which has been tried only a few times in the past: Black claims that White's extra move e2-e3 is not useful at all! 'Unless there's some concrete refutation, d5 is just a very nice move' - Carlsen. In Botvinnik-Najdorf, Amsterdam 1954, Black opted for a probably playable 8...Bf5!? Black's important options include a forcing 8...Bg4 9.h3 Bxf3 10.Bxf3 Nd7 and if 11.d5 Na5! (first occurred in Moiseev-Vasiukov, Erevan 1954) and 8...cxd4 9.Nxd4 9.exd4 d5! 10.c5 Ne4= 9...Bg4!? . In other words, Black has a really wide choice. 9.cxd5 After 9.dxc5!? dxc4 10.Qa4 (as in Behrensen-Shocron, ARG-ch Buenos Aires 1955) Black can play Be6 11.Ng5 Qc8!? maybe. 9...Nxd5 10.Nxd5 Qxd5 11.Ne5 Qd6 Probably sufficient for equality is 11...Qd8!? 12.Nxc6 bxc6 13.Bxc6 or 13.dxc5 Ba6 14.Re1 Qxd1 15.Rxd1 Rfd8 13...Bh3 14.Re1 Rb8 15.d5 Bxb2 16.Bxb2 Rxb2= 12.Nc4!N Qc7! 13.d5 Rd8 14.Bd2 Black is OK after 14.Qe2 Ne5 15.e4 Bg4 ∆16.f3 Nxc4! 17.fxg4 Bd4+ 18.Kh1 Ne5 19.Bf4 c4!?= 14...Nb4? Overpushing. White would have had at best a marginal advantage after 14...Ne5 15.Nxe5 Bxe5 or 14...b5!? 15.dxc6 15.Na3 Ba6! 15...bxc4 16.Qe1 a5 17.Bc3 15.Bxb4? Quite unpleasant for Black would have been 15.e4! b5 16.Bf4! Qb7 if 16...e5 17.d6! Qc6 18.Nxe5 Qxd6 19.Qxd6 Rxd6 20.Nxf7!± 17.Ne5! and if 17.Na5? Qb6 18.Nb3 c4 19.Be3 Qc7 17...g5?! a blow, which is easy to underestimate: 18.Nxf7! rather than 18.Qh5?! gxf4 19.Qxf7+ Kh8 where Black is OK 18...Kxf7 19.Bxg5± with the idea of 20.a3!, 21. e5. It seems that both opponents have missed this. 15...cxb4 Now Black has sufficient counterchances in the double edged fight. 16.Rc1 a5 17.a3!? bxa3 18.bxa3 a4! 19.Qd3 An alternative was 19.Qd2!? Qc5! not 19...Rb8? 20.Qb4 19...Bf5 "A massive oversight" - Carlsen. But this move is hardly too bad in fact. Instead, 19...Rb8! with the idea of ...b5 was quite a good option. Indeed, an immediate 19...b5? is wrong due to 20.d6 After the game Magnus mentioned another idea, 19...Bd7 (?!) 20.d6 exd6 21.Ne5! . Let's continue: Qa5 22.Nxd7 Rxd7 23.Bd5 and White has an initiative for the pawn, Black's position is unsafe. Bb2 24.Rc4!? Bxa3 25.Rb1 ∆b5 26.Rg4 b4 27.h4 Re8! 28.h5! One more option was 19...Ra6!? (Carlsen) 20.Qb1! 20.Rb1? Rc6! 21.Rfc1 Rc5 20.e4! Bd7 21.Qe3! Missed by Magnus. Ra6! 22.e5 b5 23.d6 Qb8! 24.dxe7 Re8 25.Rfd1 More dangerous than 25.Nd6 Rxe7 25...Rxe7 26.Qc5! Qf8? A serious mistake. Correct was 26...Bf8! where White does not have much after 27.Nd6 27.Ne3! A move, missed by the world champion. Black is in trouble. Be6 27...Bxe5? loses to 28.Rxd7+- And 27...Qe8 28.Bb7 28.f4!?± 28...Rae6 29.Nd5 Rxe5 30.Nxe7+ Rxe7 is obviously difficult or possibly just bad for Black. 28.Qxb5 So, White grabbed a pawn, but Black is able to resist. Raa7 29.Nd5 Bxd5 30.Rxd5 Reb7 31.Qd3 Rb8 32.h4 Qe8?! 33.Qd4?! Qe7?! 34.f4?! Bf8 35.Kh2 Rab7?! 36.Qxa4?! Qxa3 37.Qxa3 Bxa3 After the imprecise play from both sides, in a kind of position where it's hard to find the 'computer moves', Mamedyarov has allowed Black to enter the endgame with a fair chances for a draw. But at the same time White avoided any practical risks. 38.Rcd1 Be7 39.Kh3 Rc7 40.h5 gxh5!? 41.f5 f6 42.e6 Rb3 43.Rd7 Rbc3 44.Ra1 Kg7 45.Ra8 Kh6 46.Re8 Bb4 47.Rb8 Be7 48.Be4 R3c4 49.Bd5 R4c5 50.Be4 Rc4 51.Bd5 R4c5 52.Rb7 Rxd7 53.Rxd7 Ra5? Instead, 53...Bf8! would have been correct. 54.Bc6? After 54.Bc4 Ra4 54...Ba3? 55.e7 Re5 56.Be6+- 55.Rxe7 Rxc4 56.Re8! a rook endgame is probably wining for White in the long run. After Re4 , 57.Rg8! should be played, preventing ...Kg5 and preparing g3-g4. 54...Ba3 55.Rf7 Here 55.e7? is answered by Re5= 55...Re5 After the game opponents discussed 55...Rxf5 56.e7 Bxe7 57.Rxe7 Rc5 followed by. ..f5. And were unsure about the assessment. Yes, chess is complex. 56.Kh4 Carlsen had anticipated 56.Rxf6+ . White can't win there after Kg5 57.Rf7 Bc5 or 57...Bd6 56...Bc1?? A terrible blunder. Correct was to forget about the f6 pawn and wait: 56...Bc5 57.Rxf6+ Kg7 58.Rf7+ Kh6 . Then, for example, 59.g4 Bf2+! 60.Kh3 Re3+ 61.Kg2 Bh4 62.gxh5 Kxh5! and all what White can achieve here is the ending R + B vs R. 57.e7+- Not 57.Rxf6+? Kg7 58.Rf7+ Kh6 ∆59.e7 Bg5+ 1–0
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WhiteEloWBlackEloBResYearECOEventRnd
Mamedyarov,S2801Carlsen,M28421–02018E65ACCENTUS Biel GMT9

Queenless middlegames

David Navara and Peter Svidler played a Symmetrical English, in which White opened the centre quickly with 3.d4, looking to create a Maroczy structure on the board. However, Black avoided this to happen with a long bishop manoeuver (Bf8-c5-b6-c7) and a Queen's Gambit structure was established instead. 

It has been a tough and entertaining tournament | Photo: Simon Bohnenblust / Biel International Chess Festival

The queens were exchanged early in the game, and the struggle became interesting when Svidler decided to go get a pawn on the queenside.

Nonetheless, the players showed very correct play in the moves that followed and a rook endgame with pawns on the same flank did not take long to turn into a draw.

 
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1.Nf3 Nf6 2.c4 c5 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 e6 6.a3 Bc5 Black main choice is between this move and 6...Be7 7.e4 0-0 7.Nb3! Bb6! This is a modern line. In the 'old' times when people prepared without engines' assistance, 7...Be7 had been used invariably here. Then 8.e4! normally leads to the Hedgehog-type positions with some White's pressure. 8.c5 Navara as White had also tried 8.e4 , against Eljanov in Biel 2015. (The active bishop on b6 appears to be useful for Black in the further lines, he can even try 8...d5) While 8.Bf4 d5! had been tested in several Navara's games, with both colors. 8...Bc7 9.Bg5!? Deviating from 9.g3 0-0 10.Bg2 b6 11.0-0 Be5! as, in particular, in Navara-Cheparinov, Tbilisi Wcup 2017 and Matlakov-Svidler, Wijk aan Zee 2018. 9...h6 9...b6 10.e3 bxc5!? 11.Nxc5 Be5 12.Rc1 12.Qd2!? 12...Qa5 12...Ne7!? 13.Bxf6! Bxf6 or 13...gxf6 , Karttunen-Gelfand, Skopje ECC 2015, 14.N5a4! /\ b4 14.N5e4! Rb8 15.Nxf6+ gxf6 is probably slightly better for White, Laznicka-Sutovsky, EU-ch Jerusalem 2015. 10.Bh4 0-0 Attempts 10...Be5!? and 10...b6 11.e3 Be5!? were seen in the email/internet games. 11.e3 d5N A practical decision: in a strategically tense, quite complex position Svidler goes for simplifications, hoping that he'll not be significantly worse in the symmetrical structure. Black has a number of the more ambitious moves to consider: 11...b6 12.Rc1 Rb8!? 12...Be5?! 13.f4! Bxc3+ 14.Rxc3 Van Egmond-Kristensen, Leiden 2017 12...Bb7 13.f4!? 11...Be5 ∆12.Rc1 Ne7! or maybe 11...Rb8 12.cxd6 Qxd6 13.Bxf6!? Qxd1+ 14.Rxd1 gxf6 15.Nb5 Preferable is 15.Be2 with certain pressure. 15...Be5!? 15...Bb6 was also an option but Black rightly decides that he is ready for forcing matters. 16.f4! After 16.Rd2 a6!? White has nothing better than 17.Nc3 what certainly wasn't his idea 17.Nd6?! Rd8! 16...Bxb2 17.Rd2 a6 18.Nc7 Ra7 19.Rxb2 b6! 20.Nb5?! White had to play rather 20.Nxe6! and if Bxe6 21.Kf2!? where he's at least no worse. 20...axb5 21.Bxb5 Ne7! And now it's Black whose chances are slightly better. 22.a4 An engine's suggestion is 22.Kf2!? Rxa3 23.Rd1 /\Rd6 where Black can hardly can make profit from his extra pawn. 22...Bd7 An alternative was 22...Ba6!? where 23.Bxa6? Rxa6 loses a pawn for White. 23.Bxd7 Rxd7 24.Kf2 Ra8 Black doesn't have much but he could have tried 24...f5!? (generally preparing ...Nd5 and ...Ra8) with the idea of 25.a5?! bxa5 26.Nxa5 Rc8! 25.Ra1 Rda7 26.Nd2 Or 26.Nd4 Nd5 27.f5!= 26...Nd5 27.Nc4! Rxa4 Or 27...Ra6 28.f5!= 28.Rxa4 Rxa4 29.Nxb6 Nxb6 30.Rxb6= The rest was a formality. Kg7 31.Kf3 f5 32.h3 h5 33.g4 hxg4+ 34.hxg4 fxg4+ 35.Kxg4 Kg6 36.Kf3 Rc4 37.Rb5 f5 38.Re5 Kf6 39.e4 Rxe4 40.Rxe4 fxe4+ ½–½
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WhiteEloWBlackEloBResYearECOEventRnd
Navara,D2741Svidler,P2753½–½2018A33ACCENTUS Biel GMT9

Vachier-Lagrave played his favourite defence, the Grünfeld | Photo: Lennart Ootes / Biel International Chess Festival

Nico Georgiadis missed a chance to win his first game of the event in the previous round, when he obtained a decisive material advantage but could not convert it against Navara. In the penultimate round, he had White against Maxime Vachier-Lagrave and fought against his opponent's Grünfeld with a rare line of the Fianchetto Variation that included an early 8.Bb2.

 
Georgiadis - Vachier-Lagrave
Position after 8.Bb2

It was a balanced game. After the queens were exchanged, Black obtained the typical pawn majority on the queenside, but Vachier-Lagrave did not push too hard to make something out of it and accepted the draw after 42 moves.

Mikhail Golubev also took a deeper look at this game:

 
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1.d4 Nf6 2.c4 g6 3.g3 c6 4.Bg2 d5 5.Nf3 5.Qa4 was played in Mamedyarov-Svidler, Round 4. 5...Bg7 6.Nbd2 An ultra-solid move. Ne4 Vachier-Lagrave already used this idea previously: 6...0-0 7.0-0 and now Ne4 while other typical Black's moves in this variation are 7...Bf5 and 7. ..a5 7.b3!? 0-0 8.Bb2 Na6 This is a bit imprecise, perhaps. 9.0-0 Bf5 10.Nh4! Nxd2 11.Qxd2 Be6 12.Rac1 Qd7 13.Rfd1 Rfd8 14.Nf3 White is slightly better. And there was nothing new so far! Rac8N 14...Nc7 occurred in Carlsen-Anand, Kristiansund rapid 2010. After ≤14...Bh3 (Nguyen Anh Khoi-Nguyen Minh Tuan, Ho Chi Minh HD Bank open 2015) White has 15.cxd5 cxd5 16.Ne5! 15.Ne5 Bxe5 16.dxe5 Here 16.cxd5!? was worth trying 16...dxc4 17.Qxd7 Rxd7 18.Rxd7 Bxd7 19.Rxc4 Be6 20.Rd4 After 20.Ra4 Black has Rd8!= 20...Kf8 As it seems, it was possible to develop counterplay quickly: 20...b5! 21.Rd2 or 21.f4 c5 22.Rd2 Nb4! 21...Nb4 22.a3 Na2! 23.b4 c5! 24.bxc5 Rxc5= 21.f4 Ke8 Here 21...b5!? is already less convincing: 22.Rd2 Nb4 23.Bc3 Nd5 24.Ba5 Ne3! 25.Be4! and if c5 26.Rd3! 22.Ra4! The ending becomes unpleasant for Black. Rc7 If 22...Rd8 23.Bd4! 23.Kf2 Bc8 24.Rc4?! Making Black's life easier. The rook was placed well on a4 for the time being. c5! 25.a3 Even here 25.Ra4!? makes some sense b6 26.Bc3 ∆Nb8 26...e6! 27.e6! , etc. Or 25.Rc1!? 25...Be6 26.Rc3 b5!= Because of White's slight inaccuracies Black activated his forces. The game ended in a draw after 27.Ke3 Nb8 28.b4 Nd7 29.bxc5 Nxc5 30.Be4 Bc4 31.Bc2 Nd7 32.Be4 a5 33.Rc1 Nc5 34.Bf3 Nb3 35.Rc2 Kd8 36.Bd4!? Nxd4 37.Kxd4 Be6 38.Be4 Bc4 39.e3 f5 40.exf6 exf6 41.Rc3 f5 42.Bf3 Ke7 ½–½
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WhiteEloWBlackEloBResYearECOEventRnd
Georgiadis,N2526Vachier-Lagrave,M2779½–½2018D73ACCENTUS Biel GMT9

Commentary of Round 9

Commentary by GM Daniel King and IM Anna Rudolf

Current standings

Rk.NameRtg.Nt.Pts.n
1
2
3
4
5
6
TBPerf.
1
GM

1
GM
2526
1

2
GM
2741
½


4
GM
2753
½

5
GM
2842
½

6
GM
2526
1

7
GM
2741
1


9
GM
2842
1

Ø 2725
7/9
2801
7.0
9
25.75
2945
2
GM
GM
2842

1
GM
2741
1


3
GM
2753
½

4
GM
2526
½

5
GM
2801
½

6
GM
2741
½


8
GM
2753
½

9
GM
2801
0

Ø 2742
5/9
2842
5.0
9
22.00
2785
3
GM
GM
2753


2
GM
2526
1

3
GM
2842
½

4
GM
2801
½

5
GM
2741
½


7
GM
2526
1

8
GM
2842
½

9
GM
2741
½

Ø 2731
5/9
2753
5.0
9
17.75
2774
4
GM

1
GM
2753
½

2
GM
2842
0

3
GM
2801
0

4
GM
2741
½

5
GM
2526
1

6
GM
2753
1

7
GM
2842
½

8
GM
2801
½

9
GM
2526
½

Ø 2732
4.5/9
2779
4.5
9
17.75
2732
5
GM
GM
2741

1
GM
2842
0

2
GM
2801
½

3
GM
2526
1


5
GM
2753
½

6
GM
2842
½

7
GM
2801
0

8
GM
2526
½

9
GM
2753
½

Ø 2736
4/9
2741
4.0
9
15.50
2693
6
GM

1
GM
2801
0

2
GM
2753
0

3
GM
2741
0

4
GM
2842
½


6
GM
2801
0

7
GM
2753
0

8
GM
2741
½


Ø 2777
1.5/9
2526
1.5
9
6.75
2504
TBs: Sonneborn-Berger

All games

 
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Translation from German and additional reporting: Antonio Pereira

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

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