Iotov, Valentin - Drazic, Sinisa , Kalamaria Open 2009

Υποβλήθηκε από oreopoulos στις Πεμ, 27/08/2009 - 13:38.

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	A	B	C	D	E	F	G	H
8									8
7									7
6									6
5									5
4									4
3									3
2									2
1									1
	A	B	C	D	E	F	G	H

Iotov, Valentin - Drazic, Sinisa

1-0, 25/8/2009.

[#] 1.d4 d5 2.Nf3 e6 3.c4²/= a6

[3...Nf6 4.Bg5 Be7 5.e3 O-O 6.Nc3 b6 7.a3 a5 8.Bd3 Bb7 9.O-O Nbd7 10.Rc1 Rc8 11.Na4 c5 12.cxd5 Bxd5 13.Bb5 Bc6 14.Bxc6 Rxc6 15.Qe2 Qb8 16.e4 Re8 17.Rfd1 Rec8 18.Qb5 Nxe4 0-1, Fazekas Zoltan 2875 - Guba Miklos 2166 , Godollo 1996 Memorial Berze (open);

3...c6 4.Qc2 Nf6 5.Bg5 Be7 6.e3 a6 7.Nbd2 Nbd7 8.Bd3 O-O 9.O-O Re8 10.cxd5 exd5 11.b4 Nf8 12.Rab1 g6 13.a4 Ne6 14.Bh4 Nh5 15.Bxe7 Qxe7 16.Qc3 Bd7 17.Nb3 Rec8 18.Nc5 Rc7 19.Ne5 Nxc5 20.bxc5 Re8 21.Rb6 Bc8 22.Rfb1 Nf6 23.a5 ...1/2-1/2, Anand Viswanathan 2801 - Soler Nadal Jose Antonio 1939 , Benidorm 12/2007 Simultan;

3...Be7 4.Nc3 Nf6 5.Bg5 h6 6.Bh4 O-O 7.e3 b6 8.Bd3 Bb7 9.O-O Nbd7 10.Rc1 c5 11.Qe2 dxc4 12.Bxc4 Ne4 13.Bg3 Nxg3 14.hxg3 Qc7 15.Rfd1 Rad8 16.d5 exd5 17.Nxd5 Bxd5 18.Rxd5 Bf6 19.Rcd1 Ne5 20.b3 Nxc4 21.bxc4 Qc6 22.e4 Qe6 23.Qc2 ...1/2-1/2, Petrosian Tigran V 2580 - Fischer Robert J 2780 , Bled 1959 Tournament (candidates);

3...dxc4 4.e3 c5 5.Bxc4 a6 6.O-O Nf6 7.dxc5 Qxd1 8.Rxd1 Bxc5 9.Nbd2 Nbd7 10.Be2 b6 11.Nb3 Be7 12.Nfd4 Bb7 13.f3 O-O 14.e4 Rfc8 15.Be3 Kf8 16.Nd2 Ne5 17.N4b3 Rc6 18.Rac1 Rac8 19.Rxc6 Rxc6 20.g4 h6 21.h4 Bc8 22.g5 hxg5 23.hxg5 ...1/2-1/2, Kramnik Vladimir 2770 - Kasparov Garry 2849 , London 2000 Ch World (match) "Braingames";

3...f5 4.Bf4 Nf6 5.e3 Bd6 6.Nc3 c6 7.Bd3 O-O 8.O-O Qe7 9.c5 Bxf4 10.exf4 Nbd7 11.Qa4 Ne4 12.Ne2 Ndf6 13.b4 a6 14.Rad1 Kh8 15.Qa5 Ng4 16.a4 Bd7 17.h3 Nh6 18.Qc7 Nf7 19.Ne5 Nxe5 20.dxe5 Rfd8 21.Qb6 g5 22.f3 gxf4 23.fxe4 ...0-1, Van Wely Loek 2677 - Rahmanov Shakhiyar 2133 , Baku 12/ 5/2008 Cup President;

3...Nd7 4.Nc3 Ngf6 5.Bg5 Bb4 6.cxd5 exd5 7.e3 c5 8.Bd3 Qa5 9.Qc2 c4 10.Bf5 O-O 11.O-O Re8 12.Nd2 g6 13.Bxd7 Nxd7 14.Rfe1 Nb6 15.f3 Na4 16.Rac1 Nxc3 17.bxc3 Ba3 18.Rb1 Bf5 19.e4 Bd7 20.Nf1 dxe4 21.f4 b6 22.Ne3 Rac8 23.Rf1 ...1/2-1/2, Kamsky Gata 2735 - Polgar Judit 2635 , Dos Hermanas 1995 It (cat.18);

3...Bb4 4.Bd2 a5 5.a3 Bxd2 6.Nbxd2 Nf6 7.e3 O-O 8.Be2 Nbd7 9.O-O Qe7 10.Qc2 c5 11.cxd5 Nxd5 12.Bb5 cxd4 13.Nxd4 N7f6 14.Rac1 Rd8 15.Rfd1 Bd7 16.Bxd7 Rxd7 17.Nb5 Rad8 18.Nb3 Ra8 19.Qc5 Qd8 20.Qc2 Qb6 21.Qc5 Qd8 22.Qc2 Qe8 23.e4 ...0-1, Levitt Jonathan 2420 - Sokolov Ivan 2670 , London/Crowthorne 15/ 8/2006 Memorial G.Staunton (cat.11)]

4.Bg5 Be7

[4...f6 5.Bd2 dxc4 6.e3 b5 7.a4 Bb7 8.axb5 axb5 9.Rxa8 Bxa8 10.b3 +0.07]

5.Bxe7 Nxe7 6.e3 N

[6.Nbd2 O-O 7.e3 Nbc6 8.Rc1 Ng6 9.a3 Re8 10.Qb3 Nh4 11.Nxh4 Qxh4 12.Nf3 Qd8 13.Be2 Na5 14.Qc3 Nxc4 15.Bxc4 dxc4 16.Qxc4 Re7 17.O-O a5 18.Ne5 f6 19.Nd3 b6 20.Qc6 Rb8 21.Nf4 Bb7 22.Qc4 Qd6 23.b4 axb4 24.axb4 Kh8 25.Rfd1 Rd8 ...1/2-1/2, Malakhatko Vadim 2603 - Nikolaidis Ioannis 2525 , Athens 19/ 8/2007 It (open) "Akropolis"]

6...c5?! +0.60 without the black squared bishop this push is dubius and has less power

[6...O-O 7.Nc3 h6 8.c5 Nbc6 9.Bd3 Rb8 +0.26]

7.dxc5

[7.cxd5 exd5 8.dxc5 Qa5 9.Nbd2 Qxc5 10.Bd3 Nbc6 11.O-O² ]

7...Qa5 8.Nc3

[Maybe 8.Nbd2 leaving the c-file open for the rook]

8...Nbc6 9.Qd2+=

[9.a3 speeds white's expantion in the queen side 9...Qxc5 10.b4 Qd6 11.Be2 O-O 12.O-O Rd8 13.Qc2 Qc7 14.Rfd1+=/± ]

9...O-O 10.cxd5 exd5 11.Be2 Rd8 12.O-O +0.37 Qxc5 13.Rfd1 Bg4 trying to remove a d4 blockader. 14.Rac1 Qa5 15.Nd4 Nxd4 16.Bxg4 Ndc6 17.Qe2 Ng6 18.Bf3 d4 this achieves perfect equality 19.Bxc6 dxc3 20.Bxb7 Rab8 21.Rxd8?!

[21.b4 Qxb4 22.Bxa6 is an alternative]

21...Qxd8 22.Bxa6 cxb2 23.Rb1 Qc7?! +0.68 This is the big mistake of the game though. Its important for the queen to gain access to the c3 square, keeping the pawn and dominating the white camp.

[23...Qa5!? 24.Bc4 Qc3 25.Qd3 Qc1 26.Qf1 Qd2 27.Qd3 Qc1 28.Qf1 Qd2 29.Qd3 +0.00]

24.Qc4?! +0.00

[24.Qd2!? The c3 square it the point 24...Qb6 25.Bf1 Ne5 26.Qc2 g6 27.a4 Qb3 28.Qxb3 Rxb3 29.a5 Ra3 30.Rxb2 Rxa5 31.Rb5± ]

24...Qd6 25.Bb7?! -0.44

[25.a4!? Ne5 26.Qe4 Rb4 27.Qa8 Rb8 28.Qe4 Rb4 29.Qa8 Rb8 30.Qe4 Rb4 +0.00]

25...Qd2? +0.68 The actual problem of white's position now is the bishop on b7.

[25...Qd7! 26.Ba6 Rb6 27.Qe2 Rc6 28.Bc4 Qc7 -0.44]

26.Be4 Ne7 27.g3 g6? +1.91 the final mistake

[27...Kf8! 28.Qc7 Qb4 29.a3 Qb6 30.Qc2 g6 31.Qc3 +0.68]

28.Qc7 Re8 29.Qc2 Qb4 30.Rxb2 Qe1 31.Kg2 Rc8 32.Qd2 Rc1?! +5.50

[32...Qxd2!? 33.Rxd2 Kg7 34.a4 Rc4 35.Rd4 +2.63]

33.Qd8 Kg7 34.Qxe7 Qf1 35.Kf3 Qd1 36.Kf4 Rc4 37.Rb7 Kh6 38.Qf8 Kh5 39.Rb5 f5 40.Rxf5 gxf5 41.Qxf5 and mate next move [1-0]

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