TePe Sigeman: Keymer and Korobov score again

by Carlos Alberto Colodro
4/29/2024 – For a second day in a row, 3 out of 4 games ended decisively at the TePe Sigeman & Co. Tournament in Malmö. Vincent Keymer (pictured) and Anton Korobov grabbed full points to become co-leaders with a perfect 2/2 score, while defending champion Peter Svidler obtained his first win of the event, as he defeated women’s world champion Ju Wenjun with the black pieces. | Photo: Mikael Svensson, tepesigemanchess.com
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Svidler beats Ju

The first two days of action at the 29th edition of the TePe Sigeman & Co. round-robin in Malmö saw 6 out of 8 games ending decisively, with interesting battles taking place almost in every single game.

Vincent Keymer and Anton Korobov kicked off the event with back-to-back wins, which leaves them as shared leaders going into Monday’s third round — there are no rest days in the tournament, which will come to an end on Friday. In round 2, Keymer showed excellent preparation to beat local representative Nils Grandelius, while Korobov outplayed Marc’Andria Maurizzi from the black side of a Catalan Opening.

The third win of the day was obtained by defending champion Peter Svidler. At 47, the GM from Saint Petersburg rarely participates in classical tournaments — in 2023, he only played in Malmö, at the FIDE World Cup and in a friendly match against Vidit Gujrathi. With his round-2 victory over Ju Wenjun, the 8-time Russian champion is now in the race for first place at the traditional tournament in Sweden.

The marquee matchup of the round saw top seeds Nodirbek Abdusattorov and Arjun Erigaisi signing a 35-move draw, with Arjun getting a slight edge out of the opening while marshalling the black pieces.

Round 3 will see Korobov playing white against Keymer in the clash of co-leaders, while Abdusattorov is likely to attempt to go for a win in his game with black against Svidler.

Results - Round 2

NameRtg.Nt.Pts.Pts.NameRtgNt.
Keymer,V
2726
1
1-0
½
Grandelius,N
2664
Abdusattorov,N
2765
0
½-½
1
Erigaisi Arjun
2756
Maurizzi,M
2605
0
0-1
1
Korobov,A
2651
Ju,W
2559
0
0-1
½
Svidler,P
2689

Anton Korobov

Co-leader Anton Korobov | Photo: Mikael Svensson, tepesigemanchess.com

Peter Svidler

Peter Svidler | Photo: Mikael Svensson, tepesigemanchess.com

Keymer 1 - 0 Grandelius

Analysis by Klaus Besenthal

Keymer, Vincent27261–0Grandelius, Nils2664
TePe Sigeman Co 2024
Malmo28.04.2024[Besenthal,Klaus-Günther]
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 e6 5.e3 a6 6.h3 Nbd7 7.Qc2
Both players had played this line before - but not against each other. 7...b6 This was a novelty by Grandelius. 8.b3 Bb7 9.Bb2 dxc4 10.bxc4 Bb4 11.a3 Ba5 Thanks to the previous exchange of pawns this bishop is safe, and it will potentially control some squares in the white camp. 12.e4 c5 13.d5
13...exd5 14.exd5 Not 14.cxd5? b5 with a rolling black majority on the queenside. 14...0-0 15.Be2 b5 16.0-0 16.cxb5?! Nxd5 would not have been a good idea. 16...bxc4 And here 16...b4? was a bad idea. After 17.Nd1 and Ne3 a large part of Black's minor pieces would have been badly positioned. 17.Bxc4 Nb6 18.Ba2 c4 19.Rad1 Re8 20.Rd4 h6 21.Rfd1 Rc8 22.Bb1
The critical position has been reached: 22...Qe7? This leads to a losing position. This complicated idea was the way to go: 22...Bxc3 23.Bxc3 Nbxd5 24.Rxd5 Bxd5 25.Bxf6 Qxf6 26.Qh7+ Kf8 27.Rxd5 Rcd8 White cannot give checkmate, so both players would have to continue looking for chances in this equalised position. 23.d6 Qd7 24.Rf4 Now Rxf6 is a threat, after which Qh7+ would be really dangerous. Bxc3 25.Bxc3 Be4 26.Qc1 Nbd5
Has Black averted the danger? 27.Rxd5! No, he hasn't! Nxd5 27...Bxd5 28.Rxf6 gxf6 29.Qxh6+- White has two dreadful bishops. 28.Bxe4 Nxc3 29.Qxc3 Qxd6 30.g3
Materially this would be bearable for Black, but the problem here is that White attacks the black king's position with all his pieces, while the black rooks have no effect. And, if needed, White could certainly capture the pawns on a6 and c4. 30...Qd1+ Or: 30...Rc7 31.Bc2 Rec8 32.Rg4 31.Kg2 Qb3 32.Qd4 Qxa3 32...Red8 33.Bd5 Rd7 34.Rg4 33.Bd5 Rc7 34.Ne5 Rf8 35.Bxc4 Qc5 36.Qxc5 Rxc5 37.Nd7 White wins the exchange, so he will emerge with an extra piece. 1–0

Nils Grandelius

Nils Grandelius | Photo: Mikael Svensson, tepesigemanchess.com

Standings after round 2

Rk.NameRtg.Nt.Pts.n
1
2
3
4
5
6
7
8
TBPerf.
1
Keymer,V
2726
2.0
2
1
1
0.50
3435
2
Korobov,A
2651
2.0
2
1
1
0.50
3485
3
Erigaisi Arjun
2756
1.5
2
½
1
0.25
2855
4
Svidler,P
2689
1.5
2
½
1
0.25
2805
5
Abdusattorov,N
2765
0.5
2
0
½
0.75
2511
6
Grandelius,N
2664
0.5
2
0
½
0.75
2515
7
Maurizzi,M
2605
0.0
2
0
0
0.00
1889
8
Ju,W
2559
0.0
2
0
0
0.00
1923
TBs: Sonneborn-Berger

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MoveNResultEloPlayers
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1.d4 19 Nf6 5 2.c4 3 e6 4 3.Nf3 3 d5 4 4.Nc3 4 c6 3:26 5.Bg5 1:30 h6 45 6.Bxf6 1:06 Qxf6 5 7.a3 8 dxc4 8:39 8.e3 44 b5 6:05 9.Ne5 42 Bd6 13:47 10.Ne4 4 The position is equal. 10.f4 simplifies 0-0 11.Be2 Bxe5 12.fxe5 Qg5 13.Qd2 10...Qe7 8:28 10...Qd8 simplifies 11.Nxd6+ Qxd6 12.b3 cxb3 13.Qxb3 Nd7 11.Qh5 20 11.Nxd6+ simplifies Qxd6 12.b3 Nd7 13.Nxd7 Bxd7 14.bxc4 e5 15.Be2 11...Bc7 8:43 12.f4 28:57 Bb7 17:33 13.Nc5 15:39
Prevents Na6. 13.Be2= is more appropriate. 13...Bd6 11:13 13...Bxe5! 14.fxe5 Na6 15.Nxb7 Qxb7 14.Ne4 27:32 Excellent horsemanship. 0-0 15 15.g4 1:37 15.Rg1 15...c5 5:57 16.Bg2 3:12 cxd4 37 17.g5 6:55 Threatens to win with Nxd6. Bxe5 4:35 17...dxe3? 18.Nxd6 Bxg2 19.Rg1+- 18.gxh6? 2:57      
This move loses the game for White. 18.fxe5 d3 18...dxe3 19.0-0-0 18...Bxe4 19.Bxe4 Nd7 20.Bxa8= 19.0-0 18...Nd7!-+ 2:39 19.fxe5 7:09 And now hxg7 would win. g6 5 19...dxe3? perishes. 20.hxg7 f5 21.Qh8+ 21.gxf8R+ Rxf8 22.Nf6+ Nxf6+- 21.gxf8N Nxe5 22.Ng6 Nd3+ 23.Kf1 Qg7+- 21.gxf8B Qf7+- 21.exf6 Nxf6 22.gxf8Q+ Rxf8+- 21...Kf7 22.gxf8B+- 22.gxf8Q+ Qxf8 23.Qh7+ Ke8+- 20.Qh3 2 Nxe5 54 21.0-0 4 Bxe4 3:35 22.Bxe4 0 Qg5+ 20 23.Kh1 45 Rad8 4 Black is clearly winning. 23...Qxe3 24.Qxe3 dxe3 25.Bxa8 Rxa8 26.Rae1 24.Rg1 1:29 Qxe3 1:25 25.Qh4 2
Strongly threatening Rae1. 25...Kh7! 56 26.Raf1 1:02 Qxh6 2:16 27.Qe7 31 Qg7 46 28.Rg5 31 f5 13 29.Qxe6 7 Rde8 29 Weighted Error Value: White=0.71/Black=0.09 (flawless) . Loses game: White=1 --- Mistake: White=2 Black=1 Inaccurate: White=2 --- OK: White=5 Black=9 Best: --- Black=5 Strong: --- Black=1 0–1
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WhiteEloWBlackEloBResYearECOEventRnd
Maurizzi,M2605Keymer,V27260–12024D43TePe Sigeman Co 20241.1
Korobov,A2651Abdusattorov,N27651–02024A22TePe Sigeman Co 20241.2
Erigaisi Arjun2756Ju,W25591–02024D77TePe Sigeman Co 20241.3
Svidler,P2689Grandelius,N2664½–½2024C55TePe Sigeman Co 20241.4
Maurizzi,M2605Korobov,A26510–12024E04TePe Sigeman Co 20242.1
Ju,W2559Svidler,P26890–12024A41TePe Sigeman Co 20242.2
Abdusattorov,N2765Erigaisi Arjun2756½–½2024D12TePe Sigeman Co 20242.3
Keymer,V2726Grandelius,N26641–02024D45TePe Sigeman Co 20242.4
Svidler,P2689Abdusattorov,N2765½–½2024A20TePe Sigeman Co 20243.1
Grandelius,N2664Ju,W2559½–½2024D35TePe Sigeman Co 20243.2
Korobov,A2651Keymer,V2726½–½2024E22TePe Sigeman Co 20243.3
Erigaisi Arjun2756Maurizzi,M26051–02024D35TePe Sigeman Co 20243.4
Abdusattorov,N2765Grandelius,N26641–02024C26TePe Sigeman Co 20244.1
Keymer,V2726Ju,W25590–12024D35TePe Sigeman Co 20244.2
Korobov,A2651Erigaisi Arjun2756½–½2024D46TePe Sigeman Co 20244.3
Maurizzi,M2605Svidler,P2689½–½2024C88TePe Sigeman Co 20244.4
Erigaisi Arjun2756Keymer,V2726½–½2024C88TePe Sigeman Co 20245.1
Svidler,P2689Korobov,A26511–02024B53TePe Sigeman Co 20245.2
Grandelius,N2664Maurizzi,M2605½–½2024C78TePe Sigeman Co 20245.3
Ju,W2559Abdusattorov,N2765½–½2024B22TePe Sigeman Co 20245.4
Maurizzi,M2605Ju,W2559½–½2024C42TePe Sigeman Co 20246.1
Korobov,A2651Grandelius,N26641–02024C55TePe Sigeman Co 20246.2
Erigaisi Arjun2756Svidler,P2689½–½2024C88TePe Sigeman Co 20246.3
Keymer,V2726Abdusattorov,N27650–12024D15TePe Sigeman Co 20246.4
Ju,W2559Korobov,A26511–02024B51TePe Sigeman Co 20247.1
Abdusattorov,N2765Maurizzi,M26051–02024E06TePe Sigeman Co 20247.2
Svidler,P2689Keymer,V2726½–½2024C77TePe Sigeman Co 20247.3
Grandelius,N2664Erigaisi Arjun2756½–½2024B51TePe Sigeman Co 20247.4

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Carlos Colodro is a Hispanic Philologist from Bolivia. He works as a freelance translator and writer since 2012. A lot of his work is done in chess-related texts, as the game is one of his biggest interests, along with literature and music.
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