SugarDom: Ngoc Truongson Nguyen (2616) - Wesley So (2656) [A07]
Aeroflot Open Moscow RUS (3), 11.02.2010
[Houdini 1.03a x64 8_CPU (9s)]
A07: Rιti Opening: New York and Capablanca Systems
1.Nf3 d5
2.g3 Nf6
3.Bg2 c6
4.00 Bg4
5.d3 e6
6.Nbd2 Be7
7.e4 00
8.Re1 [8.h3 Bxf3 9.Qxf3 a5 10.Qe2 a4 11.a3 Re8 12.f4 Bf8 13.Nf3 Nfd7 14.Kh1 Qc7 15.Bd2 Na6 16.Rae1 Rab8 17.Bc1 dxe4 18.dxe4 Nac5 19.e5 Nb6 20.Nd4 Rbd8 21.Be3 Nd5 22.Bg1 Qb6 Smejkal,J (2540)-Suba,M (2580)/Szirak 1986/MCL/01 (40)]
8...Nbd7 [8...Bh5 9.Qe2 Nbd7 10.e5 Ne8 11.Nf1 Nc7 12.h4 Bxf3 13.Bxf3 f6 14.exf6 Bxf6 15.Nh2 e5 16.Ng4 Ne6 17.c3 Qe7 18.Bg2 Rae8 19.Qd1 Qf7 20.c4 dxc4 21.dxc4 Bd8 22.Be3 Bb6 23.Qd2 Georgiev,K (2440)-Pavlidis,A (2307)/Thessaloniki 2009/CBM 130 Extra/01]
9.h3N [9.e5 Ne8 10.Nf1 Nc7 11.Bf4 c5 12.Qd2 Nb6 13.h3 Bh5 14.g4 Bg6 15.c3 c4 16.d4 Nd7 17.Ng3 b5 18.a3 a5 19.Bf1 Rb8 20.Kg2 b4 21.axb4 axb4 22.h4 h6 23.h5 Bh7 Bu Xiangzhi (2558)-Kosteniuk,A (2397)/Lausanne 2001/CBM 082 ext/10 (39)]
9...Bh5
10.e5 Ne8
11.g4 White threatens to win material: g4xh5
11...Bg6
12.Nf1 Nc7
13.Ng3 c5 [13...h6 14.Ne2=]
14.Bf4 [14.g5 Nb8=] 14...d4 Black wins space [14...h6 15.a3=]
15.Ne4 White plans g5 15...Nd5 Black threatens to win material: Nd5xf4
16.Bg3 Rc8 [16...Bxe4 17.Rxe4 N7b6 18.Re1=]
17.h4 [17.Nd6 Rb8²] 17...h6 Covers g5 [17...Bxe4 18.Rxe4 h6 19.Qc1=]
18.g5 [18.Nd6 Rb8=] 18...hxg5
19.Nfxg5 c4
20.dxc4 Rxc4
21.b3 White threatens to win material: b3xc4 21...Rc7
22.a3 Secures b4 22...Bxg5
23.hxg5 White has the pair of bishops. 23...Nc5
24.Nf6+ gxf6 [24...Nxf6?25.exf6 (25.gxf6?! d3 26.cxd3 Rd7= (26...Bxd3?? 27.fxg7 Kxg7 28.b4
) ) 25...d3 26.fxg7
(26.Bxc7?! Qxc7 27.cxd3 Qf4±) ]
25.gxf6 Black wins a piece. 25...Kh7
26.Qxd4 Rh8
27.Bf3 Nxf6 [better is 27...b5= and Black is still in the game]
28.Qxd8± Rxd8
29.exf6 Rcc8
30.b4 Na4
31.Kg2 Bxc2
32.Rec1 Bf5 [32...Bd3!? 33.Rxc8 Rxc8 34.Bxb7 Rc3±]
33.Rh1+
Kg6
34.Be5 Rh8? [better is 34...Rc4 35.Bh5+ Kg5
]
35.Rag1 Bd3
36.Bxb7 Rcg8 [36...Rxh1 hardly improves anything 37.Kxh1+ (37.Rxh1?! Rc2±; 37.Bxc8?! is clearly inferior 37...Rxg1+ 38.Kxg1 Nb6=) 37...Kf5 38.Bxc8 Kxe5 39.Rc1
]
37.Rxh8 Rxh8
38.f4 Rh4 [38...Kh7 no good, but what else? 39.Kf2 Rf8 40.Rg7+ Kh8
]
39.Kg3 Rh5
40.Bf3 10