Capablanca Memorial

Leinier Dominguez Peres VS Vladimir Potkin

Dominguez Perez,Leinier (2725) - Potkin,Vladimir (2642) [B48]
47th Capablanca Mem Elite Havana CUB (3), 06.05.2012

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be3 a6 7.Qd2 Nf6 8.0-0-0 Be7 9.f3 b5 10.g4 Bb7 11.g5

[11.Kb1 Rc8 12.Be2 0-0 13.g5 Nh5 14.Nb3 Ne5 15.Qc1 Ng6 16.Bf1 f5 17.gxf6 Bxf6 18.Nc5 Bc6 19.Ne2 Be7 20.Bh3 Kh8 21.Nd3 Bd6 22.Nd4 Bb7 23.Qd2 Ngf4 24.Bf1 Nxd3 25.Bxd3 Bf4 26.Bxf4 Qxf4 27.Be2 Rf6 28.h4 Qxd2 29.Rxd2 Nf4 30.Bd1 d5 31.exd5 Bxd5 32.Rg1 Rcf8 33.c3 Rh6 34.Rg4 Ng6 35.Rh2 e5 36.Nb3 Be6 37.Rb4 Ne7 38.Kc1 Bc4 39.Na5 Nd5 40.Rxc4 bxc4 41.Nxc4 g5 42.Nxe5 Rxh4 43.Re2 Rh1 44.Kd2 Nf4 45.Re4 Rd8+ 46.Rd4 Rh2+ 47.Kc1 Rxd4 48.cxd4 Kg7 0-1 Jones,R (2327)-Djukic,N (2528) /Crete GRE 2007/The Week in Chess 678]

11...Nxd4 12.Bxd4 Nh5 13.Bd3 0-0 14.Ne2 e5 15.Be3 g6 16.Ng3 Nf4 17.h4 Rac8 18.Bxf4 exf4 19.Ne2 d5 20.Qxf4 Bd6 21.e5 Bxe5 22.Qd2 Bg7 23.f4 Rfe8 24.Kb1 Re4!?

Vladimir Potkin

Leinier Dominguez Perez

Position after 24...Re4!?

25.Bxe4 dxe4 26.Rh3 b4 27.h5 a5 28.h6 Bf8 29.c3 Ba6 30.Re3 Qb7 31.Qd5 Qb6

[31...Qxd5 32.Rxd5 Bc5 33.Rxe4 Bb7 34.Ree5 Bxd5 35.Rxd5 Kf8 36.Kc2]

32.Qd4 Qb8?

[32...Qxd4 33.cxd4 f5 34.Ng1 Bd6 35.Nh3 a4 36.Ka1 Rd8]

33.Rxe4 Re8?

I don't think black has anywhere near enough compensation anymore but this definitely loses.

[33...Qb7 34.Re5 Bxe2 35.Rxe2 bxc3 36.b3 Qb5 (36...Qb4) 37.Qd3 Qxd3+ 38.Rxd3 f6]

34.Rxe8 Qxe8 35.Ng3 Bb7 36.cxb4 axb4 37.Qe5 Qa8 38.Re1 b3 39.axb3 Ba6 40.Qc3 Qd5 41.Re8

Black doesn't have a move.

1-0

Ian Nepomniachtchi VS Viktor Laznicka. Photo © Miguel Ernesto Gomez and Maria del Carmen Ramon: http://columnadeportiva.com

Nepomniachtchi,Ian (2716) - Laznicka,Viktor (2693) [B11]
47th Capablanca Mem Elite Havana CUB (3), 06.05.2012

1.e4 c6 2.Nf3 d5 3.Nc3 Bg4 4.h3 Bxf3 5.Qxf3 e6 6.d4 dxe4 7.Qxe4 Nf6 8.Qh4 Nbd7 9.Bd3 Nd5 10.Qxd8+

A novelty but surely this can't be the way.

[10.Qg3 Nb4 11.0-0 Nf6 12.Rd1 g6 13.Bg5 Bg7 14.Bc4 h6 15.Bxf6 Bxf6 16.Ne4 0-0 17.Qb3 Be7 18.c3 Nd5 19.Qxb7 Rb8 20.Qxc6 Rxb2 21.Rab1 1-0 Souleidis, G (2429)-Stockmann,M (2220)/Bad Wiessee GER 2009/The Week in Chess 783]

10...Rxd8 11.a3 Be7 12.Ne2 e5 13.Bc4 Bf6 14.dxe5 Nxe5 15.Ba2 0-0 16.Ng3 Rfe8 17.0-0 Ng6 18.Nh5 Be5 19.Bg5 f6 20.Be3 b6 21.c3 Kf8 22.Bxd5 Rxd5 23.g4 f5 24.gxf5 Nh4 25.f6 gxf6 26.Rfd1 Kf7

[26...Red8]

27.Rxd5 cxd5 28.Rd1 Nf5?!

Why? Black gives up a pawn for nothing.

[28...Kg6 29.Nf4+ Bxf4 30.Bxf4 Kf5 31.Be3 Nf3+ 32.Kf1 Ke4]

29.Rxd5 Rg8+ 30.Kf1 Nxe3+ 31.fxe3 Ke6 32.Rd3 Kf5 33.Rd7 Ke4 34.Kf2 a5

Viktor Laznicka

Ian Nepomniachtchi

Position after 34...a5

35.Nf4?

[35.Rxh7 Rg5 36.a4 Rf5+ 37.Nf4 Bxf4 38.Rh4 Ke5 39.Rxf4 Rxf4+ 40.exf4+ Kxf4]

35...h6 36.a4 Rb8 37.Rd5 Rc8 38.Rb5 Rc4 39.Rxb6 Rxa4 40.Ng6 h5 41.Nxe5 fxe5 42.Ke2 Ra1 43.Rc6 Ra2 44.Rc4+ Kf5 45.Kf3 Rxb2 46.e4+ Kg5 47.Rc5 a4 48.Rxe5+ Kh4 49.Ra5 Rc2 50.Rxa4 Rxc3+ 51.Kf4 Kxh3 52.Ra1 Kg2 53.Ra2+ Kh3 54.e5 h4 55.Re2 Rc4+ 56.Kf3 Rc8 57.e6 Rf8+ 58.Ke4 Kg3 59.Re3+ Kg2 60.e7 Re8 61.Kf4 h3 62.Re2+ Kf1 63.Kf3 Rxe7 64.Rxe7 h2 65.Rh7 Kg1 66.Rg7+ Kf1 67.Rh7 Kg1 68.Rxh2 Kxh2 1/2-1/2

Quesada Perez,Yuniesky (2625) - Ivanchuk,Vassily (2764) [B01]
47th Capablanca Mem Elite Havana CUB (3), 06.05.2012

1.e4 d5 2.exd5 Qxd5 3.Nc3 Qd6 4.d4 Nf6 5.Nf3 c6 6.Ne5 Nbd7 7.Bf4 Nd5 8.Nxd5 Qxd5 9.Nf3 Nb6 10.Be2 Bf5 11.c3 e6 12.0-0 Qe4

Vassily Ivanchuk

Yuniesky Quesada Perez

Position after 12...Qe4

Black seems to be equal already.

[12...Be7 13.a4 a5 14.Bc7 Bd8 15.Bg3 0-0 16.Ne5 Bf6 17.Bf3 Qd8 18.Qb3 Ra7 19.Rad1 Nd5 20.Rfe1 h6 21.Re2 Bg5 22.Nc4 Be7 23.Ne3 Bg6 24.Ng4 Nf6 25.Nxf6+ Bxf6 26.c4 Bxd4 27.c5 b6 28.Bd6 bxc5 29.Bxc5 Bxc5 30.Rxd8 Rxd8 31.g3 Rc7 32.Be4 Bh5 33.Bf3 Bg6 34.Be4 Bh5 35.Rd2 Rdc8 36.Bf3 Bg6 37.h4 Bb4 38.Rd1 Bf5 39.Qc4 Be7 40.Kg2 Bf6 41.Rd2 Be7 42.Qa6 Bb4 43.Rd7 c5 44.Rxc7 Rxc7 45.Qa8+ Kh7 46.Qd8 Ra7 47.g4 Bc2 48.Bc6 Bg6 49.h5 Bc2 50.Kf3 g6 51.hxg6+ Bxg6 52.Be4 Kg7 53.Ke3 Kh7 54.f4 Bxe4 55.Kxe4 c4 56.Qc8 Re7 57.Qxc4 Rd7 58.f5 exf5+ 59.gxf5 Re7+ 60.Kf3 Kg7 61.Qd4+ Kh7 62.Kg4 Rc7 63.Kh5 Rc6 64.Qe5 Rd6 65.f6 Rd2 66.Qe4+ Kg8 67.Qg4+ 1-0 Brandenburg,D (2481)-Caspi,I (2423)/Groningen NED 2009/The Week in Chess 790]

13.Bg3 Qc2 14.Nh4 Qxd1 15.Raxd1 Be4 16.Rfe1 0-0-0 17.Nf3 Bxf3 18.Bxf3 Bd6 19.Kf1 Bxg3 20.hxg3 Rd7 21.b3 Rhd8 22.Rc1 Nd5 23.Re5 h6 24.Bxd5 Rxd5 25.Ke2 Kc7 26.Rxd5 Rxd5 27.Ke3 h5 28.f4 Kd6 29.Ke4 Ke7 30.c4 f5+ 31.Ke3 Rd7 32.b4 Kf6 33.Rh1 g6 1/2-1/2

47th Capablanca Mem Elite Havana (CUB), 3-14 v 2012											cat. XVIII (2694)
					1		2		3		4		5		6
1.	Ivanchuk, Vassily	g	UKR	2764	*	*	1	.	.	.	.	.	½	.	½	.	2	2789
2.	Dominguez Perez, Leinier	g	CUB	2725	0	.	*	*	.	.	1	.	1	.	.	.	2	2824
3.	Nepomniachtchi, Ian	g	RUS	2716	.	.	.	.	*	*	½	.	½	.	½	.	1½	2653
4.	Laznicka, Viktor	g	CZE	2693	.	.	0	.	½	.	*	*	.	.	1	.	1½	2688
5.	Potkin, Vladimir	g	RUS	2642	½	.	0	.	½	.	.	.	*	*	.	.	1	2610
6.	Quesada Perez, Yuniesky	g	CUB	2625	½	.	.	.	½	.	0	.	.	.	*	*	1	2599

Round 1 (May 4, 2012)
Ivanchuk, Vassily	- Potkin, Vladimir	½-½	42	D11	Slav Defence
Dominguez Perez, Leinier	- Laznicka, Viktor	1-0	40	B12	Caro Kann Advanced
Quesada Perez, Yuniesky	- Nepomniachtchi, Ian	½-½	43	B90	Sicilian Najdorf Variation
Round 2 (May 5, 2012)
Ivanchuk, Vassily	- Dominguez Perez, Leinier	1-0	52	B52	Sicilian Rossolimo
Laznicka, Viktor	- Quesada Perez, Yuniesky	1-0	42	E54	Nimzo Indian
Potkin, Vladimir	- Nepomniachtchi, Ian	½-½	28	A30	English Symmetrical
Round 3 (May 6, 2012)
Dominguez Perez, Leinier	- Potkin, Vladimir	1-0	41	B48	Sicilian Paulsen
Nepomniachtchi, Ian	- Laznicka, Viktor	½-½	69	B11	Caro Kann Two Knights
Quesada Perez, Yuniesky	- Ivanchuk, Vassily	½-½	33	B01	Centre Counter