__SugarDom__: Fabiano Caruana (2697) - Wesley So (2674) [D45]
Biel Chess Festival Biel SUI (5), 23.07.2010
[Houdini 1.03a x64 8_CPU (5m)]
D46: Semi-Slav: 5 e3 Nbd7 6 Bd3, Black avoids the Meran 1.d4 d5
2.c4 c6
3.Nf3 Nf6
4.Nc3 e6
5.e3 Nbd7
6.Qc2 Bd6
7.Bd3 0–0
8.0–0 dxc4
9.Bxc4 a6
10.Ng5
[10.b3 c5 11.Ne4 Nxe4 12.Qxe4 Nf6 13.Qh4 b5 14.Be2 Bb7 15.dxc5 Bxc5 16.Bb2 Qe7 17.a4 Bd5 18.axb5 axb5 19.Rxa8 Rxa8 20.Bxb5 Bxb3 21.Bd3 h6 22.Nd2 Bd5 23.Bxf6 Qxf6 24.Qxf6 gxf6 Bareev,E (2714)-Ivanchuk,V (2716)/Monaco 2004/CBM 099 ext/½–½] 10...c5N
[10...Bxh2+ 11.Kxh2 Ng4+ 12.Kg1 Qxg5 13.f3 Ngf6 14.e4 Qh4 15.Qf2 Qxf2+ 16.Kxf2 e5 17.Be3 exd4 18.Bxd4 c5 19.Be3 b5 20.Be2 Bb7 21.g4 h6 22.Rfd1 Rfc8 23.Rd6 Nf8 24.Rc1 c4 25.a4 Zvjaginsev,V (2654)-Krasenkow,M (2609)/Tripoli 2004/CBM 102/½–½ (33)] 11.Nce4 <0.04> 11...Qc7 12.Nxd6 Qxd6
13.Bd3 White threatens to win material: Bd3xh7
13...h6 Black threatens to win material: h6xg5
14.Nh7 Ng4
15.g3 [15.f4 Rd8 (‹15...cxd4 16.Nxf8 Kxf8 17.Qe2 Nxe3 18.Bxe3 dxe3 19.Qxe3²) 16.h3 cxd4 17.hxg4 Nc5=] 15...Rd8
16.h3 [16.f3 Ngf6 17.dxc5 Nxc5 18.Nxf6+ gxf6=]
16...cxd4 <0.13> [16...Nxe3 17.Bxe3 (‹17.fxe3 Qxg3+ 18.-- -- 19.Qg2 Qxg2+ 20.Kxg2 f5µ) 17...cxd4 18.Bd2=] 17.exd4 [17.hxg4 Ne5=] 17...Ngf6=
18.Bf4 Qe7 19.Nxf6+ [19.Bc7 Re8 20.Nxf6+ Nxf6=]
19...Nxf6
20.Rfe1 b5 [20...Nd5 21.Bd2=]
click for larger view21.Bc7² <0.29>White threatens to win material: Bc7xd8 21...Rd7 Black threatens to win material: Rd7xc7
22.Qc6 White threatens to win material: Qc6xa8
22...Ra7 Black threatens to win material: Ra7xc7
23.Bb6 White threatens to win material: Bb6xa7
23...Bb7 Black threatens to win material: Bb7xc6
24.Qc5 Ra8
25.Qxe7 Rxe7
26.a4 White threatens to win material: a4xb5
26...Nd7 <0.21>Black threatens to win material: Nd7xb6 27.Ba5 bxa4
28.Rxa4 Nb8 Black has a cramped position
29.Bb6 Bc6
30.Rb4 a5
31.Bxa5 <0.27>Deflection: b8. 31...Rea7 Black threatens to win material: Ra7xa5 [31...Rxa5 32.Rxb8+ Overloading Deflection Discovered attack] 32.Bb6 White threatens to win material: Bb6xa7
32...Ra1
33.Rf1 Rxf1+ <0.44> [33...Bd5 34.Bc5 Nc6 35.Rb6=] 34.Kxf1² Bf3 Black has a mate threat
35.Ke1 Nc6
36.Rb5 Ne7 <0.54>
37.Kd2 Bc6 <0.77>
38.Ra5 Rb8 Black threatens to win material: Rb8xb6
39.Bc5 White threatens to win material: Bc5xe7
click for larger view39...Rxb2+? <3.37><blundered> [¹39...Nd5±] 40.Kc3 Rxf2
41.Bxe7 Rf3
42.Kd2 Rxg3?! instead of fighting back [42...Rf2+ 43.Ke1 Rf3 ] 43.Rc5 Bd7
44.Rc7 Be8
45.Rc8 f6? [45...f5 ]
46.Bd6 [¹46.Rxe8+ seems even better 46...Kf7 47.Bb5 ] 46...Rg2+ [46...Rxd3+ desperation 47.Kxd3 Kf7 ]
47.Ke3 Kf7
48.Bh7 e5
49.d5 1–0 |