Zhou Jianchao (2604) - Grigoryan, Av (2537)
Lake Sevan (Martuni ARM), 07/16/2008
Round 6

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 c5 7.Nge2 Nc6 8.d5 Ne5 9.Ng3 e6 10.Be2 exd5 11.cxd5 a6 12.a4 h5 13.O-O Nh7 14.Qd2 h4 15.Nh1 f5 16.Nf2 Qf6 17.f4
	[17.exf5 Bxf5
		(17...gxf5 18.Nh3 (18.f4 Ng4 19.Nxg4 fxg4 20.f5 Bxf5 21.Bxg4 Qg6 22.Bxf5 Rxf5 23.Rxf5 Qxf5 24.Rf1 Qg6 Kuzmin, A (2520)-Shirov, A (2610)/Moscow 1991/URS-ch. (25)) 18...Bd7 19.Nf4 Rae8 20.Kh1 Rf7 (20...Qf7 21.Rfe1) 21.Rae1 Rfe7 22.Ne6!)
	18.a5
		(18.Ng4 Bxg4 19.fxg4 Qe7 20.h3 Rxf1+ 21.Rxf1 Re8)
	18...Rae8 19.Rfe1 Nf7]
	[17.Nh3 Bd7 18.exf5 Bxf5 19.Nf2 Rae8 20.Rae1 Qd8 21.Kh1 Qb6]
17...Nf7 18.a5
	[18.e5 dxe5 19.Bxc5 e4
		(19...Rd8 20.fxe5 Nxe5 21.a5 Qf7 22.Qf4 Re8 23.Rae1 Bf6 24.Bd6 Bg5 25.Qb4)
	20.Bxf8 Nxf8 21.Rac1 Bd7 22.a5 Rd8 23.Rfd1]
18...Bd7
	[18...fxe4!? 19.Nfxe4 Qe7 20.h3
		(20.Bd3 h3 21.Rae1 (21.g3 Bf5 22.Rae1 Nh6) 21...Nh6 22.Rf3 hxg2 23.Qxg2 Bf5 24.Bf2 Qd7)
		(20.Rae1 h3 21.Bf3 hxg2 22.Qxg2 Bf5)
	20...Bf5 21.Bd3 Rae8
		(21...Nf6)
	22.Rae1 Qd8 23.Bf2 Bh6]
19.Na4
	[19.Ra3 fxe4
		(19...Rfe8?! 20.Rb3 Rab8 21.e5! (21.Rb6?! Iljushin, A (2509)-Bucher, D (2350)/Golden Sands 2000) 21...dxe5 22.Rb6 Qe7 23.Rxg6 Nf8 24.Rxg7+ Kxg7 25.Nd3 e4 26.Bxc5 Qf6 27.Ne5 Nxe5 28.fxe5 Rxe5 29.Bd4 e3 30.Bxe3 Rxe3 31.Qxe3)
	20.Rb3 Rab8 21.Rb6 Rfe8 22.Nfxe4 Qd8 23.Bf3 Bf5 24.Bf2]
19...Bb5 20.Bxb5 axb5 21.Nb6 Rad8 22.e5! dxe5 23.fxe5 Nxe5 24.Ne4 fxe4
	[24...Qf7! 25.Nxc5 Ng4 26.Ne6 Qxe6 27.dxe6 Rxd2 28.Bxd2 Bxb2 29.Rab1 Bd4+ 30.Kh1 Re8]
25.Rxf6 Nxf6!?
	[25...Bxf6 26.Qe2! c4 27.a6! bxa6 28.Rxa6]
26.Bxc5 Rfe8 27.Rf1?!
	[27.d6! Nd3 28.b4!]
27...h3?!
	[27...Nd3!]
28.b4?!
	[28.Qb4!]
28...hxg2 29.Qxg2 Nf3+ 30.Kh1 Re5 31.d6 Kh7 32.d7 Nxd7 33.Nxd7 Rxd7?
	[33...Rg5!?]
34.Rxf3 Rxc5?!
	[34...exf3! 35.Qh3+ Kg8 36.Qxd7 Re1+ 37.Bg1 f2 38.Qd8+ Kf7
		(38...Bf8 39.Qd5+!)
		(38...Kh7 39.Qh4+)
	39.Qd5+ Ke8
		(39...Ke7 40.Qc5+)
	40.Qxb5+ Kf7
		(40...Kd8 41.Qb6+)
		(40...Ke7 41.Qc5+)
	41.Qc4+ Ke8 42.Qc8+ Kf7 43.Qc7+ Ke8
		(43...Kg8 44.Qc4+ Kh7 45.Qh4+)
	44.Qb8+ Ke7
		(44...Kf7 45.Qf4+)
	45.Qxb7+ Ke8 46.Qb8+ Ke7 47.Qa7+ Ke6 48.Qxf2]
35.bxc5 exf3 36.Qh3+ 1-0