ANEXOS
04 Practicamos las distintas formas
Shirov,Alexei
42nd TCh-ITA Masters (3) 30.04.2010 E01: Catalan: Early deviations
1.d2-d4 d7-d5 2.c2-c4 c7-c6 3.Ng1-f3 Ng8-f6 4.Nb1-c3 e7-e6 5.g2-g3 d5xc4 6.Nf3-e5 Nb8-d7 [RR 6...Bf8-b4 7.Bf1-g2 Nf6-d5 8.Bc1-d2 b7-b5 9.e2-e4 Nd5xc3 10.b2xc3 Bb4-a3 11.0-0 0-0 12.f2-f4 Bc8-b7 13.Ra1-b1 Qd8-c7 14.f4-f5 e6xf5 15.e4xf5 f7-f6 16.Ne5-g6 Rf8-e8 17.Ng6-f4 Nb8-a6 18.Nf4-e6 Qc7-d7 19.Qd1-g4 Na6-c7 20.Rf1-e1 Nc7xe6 21.f5xe6 Uhoda,P (2180)-Hugaert,A (1967)/Namur 2007/CBM 119 ext/0-1 (41) ] 7.Ne5xc4 b7-b5 8.Nc4-d2 c6-c5N [RR 8...Bc8-b7 9.Bf1-g2 Qd8-b6 A) RR 10.Nd2-e4 Nf6xe4 ( RR 10...Nf6-d5 11.0-0 Bf8-e7 12.Bc1-g5 f7-f6 13.Bg5-f4 0-0 14.Bf4-d6 Ra8-e8 15.Ra1-c1 f6-f5 16.Ne4-c5 Nd7xc5 17.d4xc5 Qb6-a6 18.e2-e4 Nd5xc3 19.Rc1xc3 b5-b4
20.Rc3-b3 Be7xd6 21.Qd1xd6 Qa6-c4 22.Qd6-c7 Bb7-a6 23.Qc7xc6 Re8-c8 24.Qc6-a4 Ba6-b5 25.Qa4xa7
XIIIIIIIIY
9-vL-+k+-tr0{
Romanishin,O (2558)-Krasenkow,M (2609)/Istanbul 2003/CBM 096/1-0 (63) ) 11.Nc3xe4 Bf8-b4+ 12.Bc1-d2 Qb6xd4 13.Bd2-c3 Bb4xc3+ 14.b2xc3 Qd4xd1+ 15.Ra1xd1 Ke8-e7
16.Ne4-d6 Ra8-b8 17.Nd6xb7 Rb8xb7 18.Bg2xc6 Rb7-c7 19.Bc6xb5 Nd7-c5 20.0-0 Rh8-b8 21.Rd1-b1 Rc7-b7 22.Bb5-d3 Rb7-b2 23.Rb1xb2 Rb8xb2 24.Rf1-a1 Nc5-a4 Hergott,D (2320)-Kuijf,M (2420)/Groningen 1988/EXT 1997/½-½ ; B) 10.0-0 c6-c5 11.d4xc5
9+-+q+-zpp0 9-+-+pzpl+0 9zp-wQ-+-+-0 9-+-+-+-+0 9+-+P+PzP-0 9PzP-+-+-zP0 9+-tR-mK-+-0 xiiiiiiiiy
180
Nd7xc5 12.Bg2xb7 Qb6xb7
13.Nd2-b3 Ra8-d8 14.Qd1-c2 Rd8-c8 15.Nb3xc5 Bf8xc5 16.Qc2-d3 a7-a6 17.Bc1-g5 0-0 18.Bg5xf6 g7xf6
19.Nc3-e4 Bc5-e7 20.Ra1-d1 Kg8-g7 21.Ne4-d6 Be7xd6 22.Qd3xd6 Qb7-c6 23.Qd6-f4 Romanishin,O (2591)-
Georgiev,K (2661)/Belgrade 2000/CBM 080/0-1 (77) ] 9.Bf1-g2 Ra8-b8
10.Nd2-e4 b5-b4 11.Ne4xf6+ Nd7xf6 12.Nc3-e4 Nf6xe4 13.Bg2xe4 c5xd4 14.Bc1-f4 Bf8-d6 15.Be4-c6+
last book move last book move Bc8-d7 [Houdini 2.0c Pro x64: 15...Ke8-e7 16.Qd1xd4 Bd6xf4 17.Qd4xf4 Qd8-b6 18.Ra1-c1 f7-f6 19.0-0 Rh8-d8
20.Qf4-e4 Ke7-f7 21.Qe4xh7 Bc8-b7 22.Bc6xb7 Qb6xb7 23.Rf1-d1 Rb8-c8 24.Qh7-h5+ Kf7-g8 25.Rc1xc8
Rd8xc8 26.Qh5-g6 a7-a6 27.b2-b3 a6-a5 0.66/17 ] 16.Bf4xd6 Traps the king in the center [Houdini 2.0c Pro x64: 16.Bf4xd6 Bd7xc6 17.Bd6xb8 Bc6xh1 18.Qd1-a4+ Qd8-d7
19.Qa4xb4 a7-a5 20.Qb4-c5 d4-d3 21.Ra1-d1 Bh1-e4 22.f2-f3 Be4-g6 23.e2xd3 f7-f6 24.Rd1-c1 Diagram Ke8-f7 25.Qc5xa5 Rh8-c8 26.Rc1xc8 Qd7xc8 27.Qa5-a7+ Kf7-g8
28.Qa7-c7 Qc8xc7 29.Bb8xc7 Bg6xd3
30.a2-a4 Kg8-f7 31.Ke1-d2 Bd3-c4 32.a4-a5 Kf7-e7 33.b2-b4 Ke7-d7 34.Kd2-c3 Bc4-d5 0.64/18 ]
16...Bd7xc6 [Houdini 2.0c Pro x64:
16...Bd7xc6 17.Bd6xb8 Qd8xb8 18.0-0 Qb8-b6 19.Ra1-c1 0-0 20.Qd1-c2 Bc6-d5 21.b2-b3 f7-f6 22.Rf1-d1 e6-e5 23.Qc2-c5 Qb6-b7 24.Rd1-d2 Rf8-e8 25.Qc5-c7 Re8-e7 26.Qc7xb7 Bd5xb7 27.e2-e3 Re7-d7 28.e3xd4 e5xd4 0.58/15 ] 17.Bd6xb8 [ Houdini 2.0c Pro x64: 17.Bd6xb8 Qd8xb8 18.0-0 Qb8-b6 19.Ra1-c1 0-0 20.Qd1-d3 Rf8-e8 21.Rc1-c2 f7-f5 22.Rc2-d2 Re8-d8 23.Rf1-c1 Bc6-b7 24.a2-a3 Bb7-e4 25.Qd3-c4 b4xa3 26.b2xa3 Qb6-d6 27.Rd2-b2 0.43/16 ] 17...Bc6xh1 Black traps the enemy king in the center [Instead of 17...Qd8xb8 18.0-0 Qb8-b6
19.Ra1-c1± ;Houdini 2.0c Pro x64:
17...Qd8xb8 18.0-0 Qb8-b6 19.Ra1-c1 0-0 20.Rc1-c4 d4-d3 21.e2xd3 Bc6-d5 22.Rc4-c1 a7-a5 23.b2-b3 a5-a4 24.b3xa4 Bd5xa2 25.Qd1-c2 b4-b3 26.Qc2-c5 Qb6-b7 27.Qc5-c4 Qb7-b6 28.Rf1-e1 b3-b2 29.Qc4xa2 b2xc1Q 30.Re1xc1 Rf8-a8 31.Qa2-e2 Qb6-b4 32.Rc1-c4 0.48/17 ] 18.Qd1-a4+ [Houdini 2.0c Pro x64:
18.Qd1-a4+ Qd8-d7 19.Qa4xb4 a7-a5 20.Qb4-c5 d4-d3 21.Ra1-d1 Bh1-e4 22.f2-f3 Be4-g6 23.e2xd3 f7-f6
XIIIIIIIIY
9-+-+-+-tr0{
24.Rd1-c1 Ke8-f7 25.Qc5xa5 Rh8-c8 26.Rc1xc8 Qd7xc8 27.Qa5-a7+
Kf7-g8 28.Qa7-c7 Qc8xc7 29.Bb8xc7 Bg6xd3 30.a2-a4 Kg8-f7 31.Ke1-d2 Bd3-c4 32.a4-a5 Kf7-e7 33.b2-b4 Ke7-d7 34.Kd2-c3 Bc4-d5 0.60/19 ] 18...Qd8-d7 [Houdini 2.0c Pro x64:
18...Qd8-d7 19.Qa4xb4 a7-a5
20.Qb4-c5 d4-d3 21.Ra1-d1 Bh1-e4 22.f2-f3 Be4-g6 23.e2xd3 f7-f6
24.Rd1-c1 Ke8-f7 25.Qc5xa5 Rh8-c8 26.Rc1xc8 Qd7xc8 27.Qa5-a7+
Kf7-g8 28.Qa7-c7 Qc8xc7 29.Bb8xc7
9+-+q+kzpp0 9-+-vLpzp-+0 9zp-+-+-+Q0 9-+-+-+-+0 9+-+p+-zP-0 9PzP-+PzP-zP0 9+-tR-mK-+l0 xiiiiiiiiy
24.Qh5xa5 Rh8-c8 25.Rc1xc8
181
Bg6xd3 30.a2-a4 Kg8-f7 31.Ke1-d2 Bd3-c4 32.a4-a5 Kf7-e7 33.b2-b4 Ke7-d7 34.Kd2-c3 Bc4-d5 0.79/18 ] 19.Qa4xb4 [Houdini 2.0c Pro x64:
19.Qa4xb4 a7-a5 20.Qb4-c5 d4-d3 21.Ra1-d1 Bh1-e4 22.f2-f3 Be4-g6 23.e2xd3 f7-f6 24.Rd1-c1 Ke8-f7
25.Qc5xa5 Rh8-c8 26.Rc1xc8 Qd7xc8 27.Qa5-a7+ Kf7-g8 28.Qa7-c7
Qc8xc7 29.Bb8xc7 Bg6xd3 30.a2-a4 Kg8-f7 31.Ke1-d2 Bd3-c4 32.a4-a5 Kf7-e7 33.b2-b4 Ke7-d7 34.Kd2-c3 Bc4-d5 0.53/19 ] 19...a7-a5
[ Houdini 2.0c Pro x64: 19...a7-a5 20.Qb4-c5 d4-d3 21.Bb8-d6 f7-f6 22.Ra1-c1 Ke8-f7 23.Qc5-h5+
Diagram
(Diagram 181)
g7-g6 24.Qh5xa5 Rh8-c8 25.Rc1xc8 Qd7xc8 26.Qa5-c5 Qc8xc5 27.Bd6xc5 d3xe2 28.a2-a4 Bh1-c6 29.b2-b3
Kf7-e8 30.Ke1xe2 Bc6-d5 31.b3-b4 Ke8-d7 32.a4-a5 Kd7-c6 33.f2-f3 Kc6-b5 34.Ke2-e3 e6-e5 0.63/17 ] 20.Qb4-c5 [Houdini 2.0c Pro x64:
20.Qb4-c5 d4-d3 21.Bb8-d6 f7-f6 22.Ra1-c1 Ke8-f7 23.Qc5-h5+ g7-g6
Qd7xc8 26.Qa5-c5 Qc8xc5 27.Bd6xc5 d3xe2 28.a2-a4 Bh1-c6 29.b2-b3
Kf7-e8 30.a4-a5 Bc6-b5 31.Bc5-d4 e6-e5 32.Bd4-c3 Ke8-d7 0.44/16 ] 20...f7-f6 [Houdini 2.0c Pro x64:
20...d4-d3 21.Bb8-d6 f7-f6 22.Ra1-c1 Ke8-f7 23.Qc5-h5+ g7-g6 24.Qh5xa5 Rh8-c8 25.Rc1xc8 Qd7xc8 26.Qa5-c5 Qc8xc5 27.Bd6xc5 d3xe2 28.a2-a4 Bh1-c6 29.a4-a5 Bc6-b5 30.f2-f4 e6-e5 31.f4xe5 f6xe5 32.Bc5-b4
Kf7-e6 0.46/14 ] 21.f2-f3 [Houdini 2.0c Pro x64: 21.f2-f3 Qd7-b7 22.Bb8-a7 d4-d3 23.Qc5-b6 Qb7xb6 24.Ba7xb6 Ke8-f7 25.0-0-0 Rh8-c8+ 26.Kc1-b1 Bh1-g2 27.Rd1xd3 Bg2-f1
28.Rd3-d7+ Kf7-g6 29.Rd7-d2 a5-a4 30.h2-h4 e6-e5 31.g3-g4 h7-h5
0.54/15 ] 21...Ke8-f7 [Houdini 2.0c Pro x64: 21...Qd7-b7 22.Bb8-a7 d4-d3 23.Qc5-b6 Qb7xb6 24.Ba7xb6 0-0 25.Ke1-d2 Rf8-b8 26.Bb6xa5
Rb8xb2+ 27.Kd2xd3 Bh1-g2
28.Ba5-c3 Rb2-b8 29.a2-a4 Rb8-d8+
30.Kd3-e4 0.76/11 ] 22.Qc5-a7 [ Houdini 2.0c Pro x64: 22.Qc5-a7 Qd7xa7 23.Bb8xa7 Bh1-g2
24.Ba7xd4 e6-e5 25.Bd4-c3 a5-a4 26.h2-h4 Bg2-h3 27.g3-g4 h7-h5
28.Ke1-f2 h5xg4 29.Kf2-g3 g4xf3 30.Kg3xh3 f3xe2 31.Kh3-g3 a4-a3 32.Ra1-e1 a3xb2 33.Bc3xb2 Rh8-a8 34.Re1xe2 Ra8xa2 35.Kg3-f3 Ra2-a4 36.h4-h5 Ra4-f4+ 37.Kf3-e3 0.82/15 ] 22...Qd7xa7 [Houdini 2.0c Pro x64:
22...Qd7xa7 23.Bb8xa7 Bh1-g2 24.Ba7xd4 Bg2-h3 25.Ra1-c1 e6-e5 26.Rc1-c7+ Kf7-g6 27.Bd4-c3 Bh3-e6 28.Bc3xa5 Be6xa2 29.b2-b4 Ba2-e6 30.Rc7-e7 Be6-c4 31.Ke1-f2 Rh8-c8 32.g3-g4 Bc4-b5 33.Re7-b7 Bb5-c6 34.Rb7-a7 Bc6-b5 35.Ra7-b7
Bb5-c6 1.05/17 ] 23.Bb8xa7
[ Houdini 2.0c Pro x64: 23.Bb8xa7 Bh1-g2 24.Ba7xd4 e6-e5 25.Bd4-c3 a5-a4 26.h2-h4 Bg2-h3 27.g3-g4 h7-h5 28.Ke1-f2 h5xg4 29.Kf2-g3 g4xf3 30.Kg3xh3 f3xe2 31.Kh3-g3 a4-a3 32.Ra1-e1 a3xb2 33.Bc3xb2 Rh8-a8 34.Re1xe2 Ra8xa2 35.Kg3-f3 Ra2-a4 36.h4-h5 Ra4-f4+ 37.Kf3-e3 0.77/14 ] 23...Bh1-g2 [Houdini 2.0c Pro x64: 23...Bh1-g2 24.Ba7xd4
Bg2-h3 25.Ra1-c1 e6-e5 26.Rc1-c7+
Kf7-g6 27.Bd4-c3 Bh3-e6 28.Bc3xa5 Be6xa2 29.b2-b4 Ba2-e6 30.Rc7-e7 Be6-c4 31.Ke1-f2 Rh8-c8 32.g3-g4 Bc4-b5 33.Re7-b7 Bb5-c6 34.Rb7-a7 Bc6-b5 35.Ra7-b7 Bb5-c6 0.86/15 ] 24.Ba7xd4 [Houdini 2.0c Pro x64:
24.Ba7xd4 Bg2-h3 25.Ra1-c1 e6-e5 26.Rc1-c7+ Kf7-g6 27.Bd4-c3 Bh3-e6 28.Bc3xa5 Be6xa2 29.b2-b4 Ba2-e6 30.Rc7-e7 Be6-c4 31.Ke1-f2 Rh8-c8 32.g3-g4 Bc4-b5 33.Re7-b7 Bb5-c6 34.Rb7-a7 Bc6-b5 35.Ra7-b7
Bb5-c6 0.76/17 ] 24...Bg2-h3 [ 24...e6-e5 25.Bd4-c3 a5-a4 26.a2-a3± ;Houdini 2.0c Pro x64:
24...e6-e5 25.Bd4-c3 a5-a4
26.Ra1-d1 Bg2-h3 27.Rd1-d6 Bh3-e6 28.a2-a3 Rh8-a8 29.Ke1-f2 Ra8-a7 30.g3-g4 Ra7-c7 31.Rd6-a6 Be6-b3 32.Bc3-b4 h7-h6 0.54/15 ] 25.a2-a4
[ Houdini 2.0c Pro x64: 25.Ra1-c1 e6-e5 26.Rc1-c7+ Kf7-g6 27.Bd4-c3 Bh3-e6 28.Bc3xa5 Be6xa2 29.b2-b4 Ba2-e6 30.Rc7-e7 Be6-c4 31.Ke1-f2 Rh8-c8 32.g3-g4 Bc4-b5 33.Re7-b7 Bb5-c6 34.Rb7-a7 0.75/15 ] 25...e6-e5 [Houdini 2.0c Pro x64: 25...Rh8-a8 26.Ra1-c1 e6-e5 27.Rc1-c7+ Kf7-g8 28.Bd4-c3 Bh3-e6 29.Rc7-b7 Be6-d5 30.Rb7-b6 e5-e4 31.f3-f4 e4-e3
32.Rb6-d6 Bd5-b3 0.59/14 ] 26.Bd4-c3 [Houdini 2.0c Pro x64:
26.Bd4-c3 Rh8-a8 27.g3-g4 h7-h5 28.g4xh5 Bh3-e6 29.Ra1-a3 Be6-d7 30.Ke1-f2 Bd7-e8 31.Bc3-d2 Kf7-e6 32.h2-h4 Be8xh5 33.Ra3-b3 Bh5-e8 34.Rb3-b6+ Ke6-d5 35.e2-e4+ Kd5-c4 36.b2-b3+ Kc4-d4 37.Rb6-d6+
Kd4-c5 0.63/15 ] 26...Rh8-a8
[ Houdini 2.0c Pro x64: 26...Rh8-a8 27.g3-g4 h7-h5 28.g4xh5 Bh3-e6 29.Ra1-a3 Be6-d7 30.Bc3-d2 Bd7-c6 31.Ke1-f2 Ra8-b8 32.Bd2-c3 e5-e4 33.f3-f4 Kf7-e6 34.Ra3-a1 Ke6-f5 0.69/17 ] 27.g3-g4 [Houdini 2.0c Pro x64: 27.g3-g4 h7-h5 28.g4xh5
Bh3-e6 29.Ra1-a3 Be6-d7 30.Bc3-d2 Ra8-b8 31.Bd2xa5 Rb8xb2 32.Ba5-c3 Rb2-b1+ 33.Ke1-d2 Rb1-h1 34.a4-a5 Rh1xh2 35.a5-a6 Bd7-b5 36.a6-a7 Bb5xe2 37.Kd2-e3 Be2-b5 38.f3-f4 Rh2-h3+ 39.Ke3-f2 0.61/16 ]
27...h7-h5 [Houdini 2.0c Pro x64:
27...h7-h5 28.g4xh5 Bh3-e6
29.Ra1-a3 Be6-d7 30.Bc3-d2 Ra8-b8 31.Bd2xa5 Rb8xb2 32.Ba5-c3
Rb2-b1+ 33.Ke1-d2 Rb1-h1 34.a4-a5 Rh1xh2 35.a5-a6 Bd7-b5 36.a6-a7 Bb5xe2 37.Kd2-e3 Be2-b5 38.f3-f4 Rh2-h3+ 39.Ke3-f2 0.71/16 ]
28.Ke1-f2 [Houdini 2.0c Pro x64:
28.g4xh5 Bh3-e6 29.Ra1-a3 Be6-d7 30.Bc3-d2 Kf7-e6 31.Ke1-f2 Bd7-e8 32.h2-h4 Be8xh5 33.Ra3-b3 Bh5-e8 34.Rb3-b6+ Ke6-d5 35.e2-e4+ Kd5-c4
XIIIIIIIIY
9-+-+-+-+0
9+-+-+k+-0
189-+-+-zp-+0
29zP-+-zp-zp-0 9-+-+-+-tr0 9+-+-+-mK-0
36.b2-b3+ Kc4-d4 37.Rb6-d6+
Kd4-c5 0.63/16 ] 28...h5xg4
[ Houdini 2.0c Pro x64: 28...h5xg4 29.Kf2-g3 Ra8-h8 30.f3xg4 g7-g5 31.Bc3xa5 Rh8-h4 32.Ba5-d2 Bh3xg4 33.a4-a5 Bg4xe2 34.a5-a6 Rh4-h8 35.a6-a7 Rh8-a8 36.b2-b4 Kf7-e6 37.Ra1-a5 Ke6-d6 38.Kg3-f2 Be2-d3 39.Kf2-e3 Bd3-f1 40.Ke3-e4 Kd6-c6 41.Ke4-f5 Kc6-b7 42.Bd2-e3 Ra8-f8 43.b4-b5 Bf1-d3+ 44.Kf5-e6 0.59/17 ] 29.Kf2-g3 [Houdini 2.0c Pro x64:
29.Kf2-g3 Ra8-h8 30.f3xg4 g7-g5 31.Bc3xa5 Rh8-h4 32.Ba5-d2 Bh3xg4 33.a4-a5 Bg4xe2 34.a5-a6 Rh4-h8 35.a6-a7 Rh8-a8 36.b2-b4 Kf7-e6 37.Ra1-a5 Ke6-d6 38.Kg3-f2 Be2-d3 39.Kf2-e3 Bd3-f1 40.Ke3-e4 Kd6-c6 41.Ke4-f5 Kc6-b7 42.Bd2-e3 Ra8-f8 43.b4-b5 Bf1-d3+ 44.Kf5-e6 0.50/18 ] 29...g7-g5 [Houdini 2.0c Pro x64:
29...Ra8-h8 30.f3xg4 g7-g5
31.Bc3xa5 Rh8-h4 32.Ba5-d2 Bh3xg4 33.a4-a5 Bg4xe2 34.a5-a6 Rh4-h8 35.a6-a7 Rh8-a8 36.b2-b4 Kf7-e6 37.Ra1-a5 Ke6-d6 38.Kg3-f2 Be2-d3 39.Kf2-e3 Bd3-f1 40.Ke3-e4 Kd6-c6 41.Ke4-f5 Kc6-b7 42.Bd2-e3 Ra8-f8 43.b4-b5 Bf1-d3+ 44.Kf5-e6 0.59/14 ] 30.f3xg4 [ 30.Bc3xa5 Ra8xa5
31.f3xg4 Bh3-f1± ;Houdini 2.0c Pro x64: 30.f3xg4 Ra8-h8 31.Bc3xa5
Rh8-h4 32.Ba5-d2 Bh3xg4 33.a4-a5 Bg4xe2 Diagram
(Diagram 182)
34.a5-a6 Rh4-h8 35.a6-a7 Rh8-a8 36.b2-b4 Kf7-e6 37.Ra1-a5 Ke6-d6 38.Kg3-f2 Be2-d3 39.Kf2-e3 Bd3-f1 40.Ke3-e4 Kd6-c6 41.Ke4-f5 Kc6-b7 42.Bd2-e3 Ra8-f8 43.b4-b5 Bf1-d3+
44.Kf5-e6 0.50/16 ] 30...Ra8-h8² [ Houdini 2.0c Pro x64: 30...Ra8-h8 31.Bc3xa5 Rh8-h4 32.Ba5-d2 Bh3xg4
9-zP-vLl+-zP0 9tR-+-+-+-0[
xiiiiiiiiy
33.a4-a5 Bg4xe2 34.a5-a6 Rh4-h8 35.a6-a7 Rh8-a8 36.b2-b4 Kf7-e6 37.Ra1-a5 Ke6-d6 38.Kg3-f2 Be2-d3 39.Kf2-e3 Bd3-f1 40.Ke3-e4 Kd6-c6 41.Ke4-f5 Kc6-b7 42.Bd2-e3 Ra8-f8 43.b4-b5 Bf1-d3+ 44.Kf5-e6 0.58/16 ] 31.Bc3xa5 [Houdini 2.0c Pro x64:
31.Bc3xa5 Rh8-h4 32.Ba5-d2 Bh3xg4 33.a4-a5 Bg4xe2 34.a5-a6 Rh4-h8 35.a6-a7 Rh8-a8 36.Bd2-e3 Kf7-e6 37.b2-b4 Ke6-d5 38.Ra1-a2 Be2-b5 39.Ra2-c2 Bb5-d3 40.Rc2-d2 Kd5-e4 41.Kg3-f2 f6-f5 42.Be3-c5 Bd3-b5 43.h2-h3 f5-f4 44.Rd2-d6 Bb5-e8 45.Bc5-b6 Be8-b5 0.46/17 ]
31...Rh8-h4 Black threatens to win material: Rh4xg4. Praise the rook!
[ Houdini 2.0c Pro x64: 31...Rh8-h4 32.Ba5-d2 Bh3xg4 33.a4-a5 Bg4xe2 34.a5-a6 Rh4-h8 35.a6-a7 Rh8-a8 36.Bd2-e3 Kf7-e6 37.b2-b4 Ke6-d5 38.Ra1-a2 Be2-b5 39.Ra2-c2 Bb5-d3 40.Rc2-d2 Kd5-e4 41.Kg3-f2 f6-f5 42.Be3-c5 f5-f4 43.h2-h3 Bd3-b5 0.47/15 ] 32.Ba5-d8 [Houdini 2.0c Pro x64: 32.Ba5-d2 Bh3xg4 33.a4-a5 Bg4xe2 34.a5-a6 Rh4-h8 35.a6-a7 Rh8-a8 36.b2-b4 Kf7-e6 37.Bd2-e3 Ke6-d5 38.Ra1-a2 Be2-b5 39.Ra2-c2 Kd5-e6 40.Rc2-d2 f6-f5 41.Be3-c5
e5-e4 42.Kg3-f2 0.51/14 ] 32...Bh3xg4 [Houdini 2.0c Pro x64: 32...Bh3xg4 33.a4-a5 Bg4xe2 34.a5-a6 Rh4-g4+
35.Kg3-f2 Be2-c4 36.a6-a7 Bc4-d5 37.Ra1-a6 Rg4-f4+ 38.Kf2-g1 Bd5-a8 39.Ra6-d6 f6-f5 40.Rd6-f6+ Kf7-e8 41.Bd8-c7 Rf4-g4+ 42.Kg1-f1 Rg4-f4+
43.Kf1-e2 Ke8-d7 44.Bc7-b8 Rf4-e4+
45.Ke2-d3 f5-f4 46.Rf6-d6+ Kd7-c8 0.30/17 ] 33.a4-a5 [Houdini 2.0c Pro x64: 33.a4-a5 Bg4xe2 34.a5-a6 Rh4-g4+ 35.Kg3-f2 Be2-c4 36.a6-a7 Bc4-d5 37.Ra1-a6 Rg4-f4+ 38.Kf2-e3 Rf4-e4+ 39.Ke3-d2 Re4-d4+
40.Kd2-e2 Bd5-c4+ 41.Ke2-e3 Rd4-d3+ 42.Ke3-f2 Rd3-d2+
43.Kf2-e1 Rd2xd8 44.a7-a8Q Rd8xa8 45.Ra6xa8 f6-f5 46.Ke1-f2 Kf7-e6 47.b2-b4 Ke6-d5 48.Ra8-c8 g5-g4 49.Kf2-g3 Kd5-d4 0.33/15 ]
33...Bg4xe2 [Houdini 2.0c Pro x64:
33...Bg4xe2 34.a5-a6 Rh4-d4
35.Bd8-b6 Rd4-g4+ 36.Kg3-f2 Be2-b5 37.a6-a7 Bb5-c6 38.Ra1-c1 Bc6-d5 39.Rc1-d1 Bd5-a8 40.Rd1-d8 Ba8-c6 41.Rd8-d6 Bc6-a8 42.Bb6-d8
Rg4-g2+ 43.Kf2-e1 Rg2xb2 44.Rd6xf6+ Kf7-e8 45.Bd8-c7
Rb2-a2 0.40/16 ] 34.a5-a6 A strong pawn [Houdini 2.0c Pro x64: 34.a5-a6 Rh4-d4 35.Bd8-b6 Rd4-g4+ 36.Kg3-f2 Be2-b5 37.a6-a7 Bb5-c6 38.Ra1-c1 Bc6-d5 39.Rc1-d1 Bd5-a8 40.Rd1-d8 Ba8-c6 41.Rd8-d6 Bc6-a8 42.Bb6-d8 Rg4-g2+ 43.Kf2-e1 Rg2xb2
44.Rd6xf6+ Kf7-e8 45.Bd8-c7 Rb2xh2 46.Bc7xe5 Ke8-e7 0.35/16 ]
34...Rh4-b4? [ ¹34...Rh4-h8 would keep Black alive 35.a6-a7 Rh8xd8² ;Houdini 2.0c Pro x64:
34...Rh4-g4+ 35.Kg3-f2 Be2-c4
36.a6-a7 Bc4-d5 37.Ra1-a6 Rg4-f4+
38.Kf2-e3 Rf4-e4+ 39.Ke3-d2 Re4-d4+ 40.Kd2-c1 Rd4-c4+
41.Kc1-b1 Rc4-f4 42.Ra6-d6 Bd5-a8
43.Kb1-c2 e5-e4 44.Bd8-b6 Kf7-e7 45.Rd6-d8 Rf4-f2+ 46.Kc2-c3 Rf2-f3+
47.Kc3-c4 0.37/14 ] 35.a6-a7+-[ Houdini 2.0c Pro x64: 35.a6-a7
Rb4-b3+ 36.Kg3-f2 Be2-f3 37.Ra1-a6 Bf3-e4 38.Ra6xf6+ Kf7-e8 39.Bd8-c7 Rb3xb2+ 40.Kf2-e3 Be4-b7
41.Bc7xe5 Rb2-b4 42.Ke3-d3 Rb4-a4 43.Be5-d4 Ke8-d7 44.Rf6-f7+ Kd7-c6 45.Kd3-c3 Ra4-a2 46.Rf7-h7 g5-g4 47.Rh7-h8 Kc6-c7 48.Rh8-g8 Kc7-c6 49.Rg8-g6+ Kc6-d5 1.26/17 ]
35...Rb4-b3+ [Houdini 2.0c Pro x64:
35...Rb4-b3+ 36.Kg3-f2 Be2-f3
37.Ra1-a6 Bf3-e4 38.Ra6xf6+ Kf7-e8 39.Bd8-c7 Rb3xb2+ 40.Kf2-e3 Be4-b7 41.Bc7xe5 Rb2-b4 42.Ke3-d3 Rb4-a4 43.Be5-d4 Ke8-d7 44.Rf6-f7+ Kd7-c6 45.Kd3-c3 Ra4-a2 46.Rf7-h7 g5-g4 47.Rh7-h8 Kc6-c7 48.Rh8-g8 Kc7-c6 49.Rg8-g6+ Kc6-d5 1.36/16 ]
36.Kg3-f2 [Houdini 2.0c Pro x64:
36.Kg3-f2 Be2-f3 37.Ra1-a6 Bf3-e4 38.Ra6xf6+ Kf7-e8 39.Bd8-c7
Rb3xb2+ 40.Kf2-e3 Be4-b7
41.Bc7xe5 Rb2-b4 42.Ke3-d3 Rb4-a4 43.Be5-d4 Ke8-d7 44.Rf6-f7+ Kd7-c6 45.Kd3-c3 Ra4-a2 46.Rf7-h7 g5-g4 47.Rh7-h8 Kc6-c7 48.Rh8-g8 Kc7-c6 49.Rg8-g6+ Kc6-d5 1.26/17 ]
36...Be2-f3 [Houdini 2.0c Pro x64:
36...Be2-f3 37.Ra1-a6 Bf3-e4 38.Ra6xf6+ Kf7-e8 39.Bd8-c7 Rb3xb2+ 40.Kf2-e3 Be4-b7
41.Bc7xe5 Rb2-a2 42.Be5-b8 Ke8-d7 43.Rf6-g6 Ra2-g2 44.h2-h3 Bb7-a8 45.Bb8-e5 Rg2-a2 46.Rg6-g8
Ra2-a3+ 47.Ke3-d4 1.26/15 ] 37.Ra1-a6 [Houdini 2.0c Pro x64:
37.Ra1-a6 Bf3-d5 38.Ra6xf6+ Kf7-g7 39.Rf6-b6 Rb3xb6 40.Bd8xb6 Kg7-f6 41.Bb6-e3 g5-g4 42.Be3-c5 Kf6-e6 43.Kf2-g3 Ke6-f5 44.b2-b4 Kf5-e6 45.b4-b5 Ke6-d7 46.Kg3xg4 Kd7-c7 47.Kg4-f5 1.27/16 ] 37...Bf3-a8?
[ 37...Bf3-e4 38.Ra6xf6+ Kf7-e8+- ; Houdini 2.0c Pro x64: 37...Bf3-d5 38.Ra6xf6+ Kf7-e8 39.Rf6-d6 Rb3xb2+ 40.Kf2-e3 Rb2-b3+
41.Ke3-d2 Bd5-e4 42.Bd8xg5 Rb3-h3 43.Kd2-e2 Rh3-a3 44.Rd6-e6+
Ke8-d7 45.Re6-e7+ Kd7-d6 46.h2-h4 Be4-f3+ 47.Ke2-d2 Ra3-a2+
48.Kd2-d3 Ra2-a3+ 49.Kd3-c4 Bf3-d5+ 50.Kc4-b5 Ra3-b3+
51.Kb5-a6 Bd5-a8 52.h4-h5 Rb3-a3+
53.Ka6-b5 Ra3-b3+ 54.Kb5-a5 1.03/13 ] 38.Ra6xf6+ [Houdini 2.0c Pro x64: 38.Ra6xf6+ Kf7-g7 39.Rf6-b6 Rb3xb6 40.Bd8xb6 Kg7-f6 41.Bb6-e3 g5-g4 42.b2-b4 Kf6-f5 43.Kf2-g3 Kf5-e4 44.Be3-c5 Ke4-f5 45.b4-b5 Ba8-b7 46.Bc5-e3 Bb7-a8 47.Be3-f2 Kf5-g5 48.Bf2-b6 Kg5-f5 49.Bb6-a5 Kf5-e4 50.Kg3xg4 Ke4-d5 51.b5-b6 Kd5-c5 52.h2-h4 Kc5-c6 53.Kg4-f5 Kc6-b7 54.Kf5xe5 1.52/18 ]
38...Kf7-e8 [Houdini 2.0c Pro x64:
38...Kf7-g7 39.Rf6-b6 Rb3xb6
40.Bd8xb6 Kg7-f6 41.Bb6-e3 g5-g4 42.b2-b4 Kf6-f5 43.Kf2-g3 Kf5-e4 44.Be3-c5 Ke4-f5 45.b4-b5 Ba8-b7 46.Bc5-e3 Bb7-a8 47.Be3-f2 Kf5-g5 48.Bf2-b6 Kg5-f5 49.Bb6-a5 Kf5-e4 50.Kg3xg4 Ke4-d5 51.b5-b6 Kd5-c5 52.Kg4-f5 Kc5-b5 53.Kf5xe5 Kb5xa5 1.61/17 ] 39.Rf6-b6 [Houdini 2.0c Pro x64: 39.Rf6-b6 Rb3xb6 40.Bd8xb6 Ke8-f7 41.Kf2-g3 Kf7-g6 42.Kg3-g4 Ba8-c6 43.b2-b4 Bc6-d7+ 44.Kg4-g3 Bd7-c6 45.Bb6-e3 Bc6-b7 46.b4-b5 Kg6-f5 47.b5-b6 g5-g4 48.Be3-d2 Bb7-a8 49.Bd2-a5 Kf5-e6 50.Kg3xg4 Ke6-d6 51.h2-h4 Kd6-c6 52.Kg4-f5 Kc6-b7 53.Kf5xe5 1.52/19 ]
39...Rb3xb6 [ 39...Rb3-h3
is no salvation 40.Rb6-b8 Rh3xh2+
41.Kf2-e3+- ;Houdini 2.0c Pro x64:
39...Rb3xb6 40.Bd8xb6 Ke8-f7
41.Kf2-g3 Kf7-g6 42.Kg3-g4 Ba8-c6
43.b2-b4 Bc6-d7+ 44.Kg4-g3 Bd7-c6 45.Bb6-e3 Bc6-b7 46.b4-b5 Kg6-f5 47.b5-b6 g5-g4 48.Be3-d2 Bb7-a8 49.Bd2-a5 Kf5-e6 50.Kg3xg4 Ke6-d6 51.h2-h4 Kd6-c6 52.Kg4-f5 Kc6-b7 53.Kf5xe5 1.61/18 ] 40.Bd8xb6 [ Houdini 2.0c Pro x64: 40.Bd8xb6 Ke8-f7 41.Kf2-g3 Kf7-g6 42.Kg3-g4 Ba8-c6 43.b2-b4 Bc6-d7+ 44.Kg4-g3 Bd7-c6 45.Bb6-e3 Bc6-b7 46.b4-b5 Kg6-f5 47.b5-b6 g5-g4 48.Be3-d2 Bb7-a8 49.Bd2-a5 Kf5-e6 50.Kg3xg4 Ke6-d6 51.h2-h4 Kd6-c6 52.Kg4-f5 Kc6-b7 53.Kf5xe5 1.48/13 ]
40...Ke8-f7 [Houdini 2.0c Pro x64:
40...Ke8-e7 41.Bb6-e3 Ke7-f6 42.b2-b4 g5-g4 43.b4-b5 Kf6-e6 44.Kf2-g3 Ke6-f5 45.Be3-f2 Kf5-g5 46.Bf2-b6 Kg5-f5 47.Bb6-a5 Kf5-e4 48.Kg3xg4 Ke4-d5 49.b5-b6 Kd5-c5 50.Kg4-f5 Kc5-b5 51.Kf5xe5 Kb5xa5 1.46/14 ] 41.Kf2-g3 [Houdini 2.0c Pro x64: 41.Kf2-g3 Kf7-g6 42.Kg3-g4 Ba8-c6 43.b2-b4 Bc6-d7+ 44.Kg4-g3 Bd7-c6 45.Bb6-e3 Bc6-b7 46.b4-b5 Kg6-f5 47.b5-b6 g5-g4 48.Be3-d2 Bb7-a8 49.Bd2-a5 Kf5-e6 50.Kg3xg4 Ke6-d6 51.h2-h4 Kd6-c6 52.Kg4-f5 Kc6-b7 53.Kf5xe5 1.42/17 ]
41...Kf7-g6 [Houdini 2.0c Pro x64:
41...Ba8-c6 42.Kg3-g4 Kf7-g6
43.b2-b4 Bc6-d7+ 44.Kg4-g3 Bd7-c6 45.Bb6-e3 Bc6-b7 46.b4-b5 Kg6-f5 47.b5-b6 g5-g4 48.Be3-d2 Bb7-a8 49.Bd2-a5 Kf5-e6 50.Kg3xg4 Ke6-d6 51.h2-h4 Kd6-c6 52.Kg4-f5 Kc6-b7 53.Kf5xe5 1.46/16 ] 42.Kg3-g4 [ Houdini 2.0c Pro x64: 42.Kg3-g4 Ba8-c6 43.b2-b4 Bc6-d7+ 44.Kg4-g3 Bd7-c6 45.Bb6-e3 Bc6-b7 46.b4-b5 Kg6-f5 47.b5-b6 g5-g4 48.Be3-d2 Bb7-a8 49.Bd2-a5 Kf5-e6 50.Kg3xg4 Ke6-d6 51.h2-h4 Kd6-c6 52.Kg4-f5 Kc6-b7 53.Kf5xe5 1.66/17 ]
42...Ba8-b7 [Houdini 2.0c Pro x64:
42...Ba8-c6 43.b2-b4 Bc6-d7+
44.Kg4-g3 Bd7-c6 45.b4-b5 Bc6-b7 46.Bb6-e3 Kg6-f5 47.b5-b6 g5-g4 48.Be3-d2 Bb7-a8 49.Bd2-a5 Kf5-e6 50.Kg3xg4 Ke6-d6 51.h2-h4 Kd6-c6 52.Kg4-f5 Kc6-b7 53.Kf5xe5 1.46/15 ] 43.Bb6-c7 [Houdini 2.0c Pro x64:
43.Bb6-c7 e5-e4 44.Bc7-b6 Bb7-c6 45.b2-b4 Bc6-d5 46.Bb6-e3 Bd5-e6+
47.Kg4-g3 Be6-d5 48.h2-h3 Kg6-f6 49.b4-b5 Kf6-f5 50.b5-b6 Kf5-g6 51.Be3-d2 Kg6-h5 52.Bd2-b4 Bd5-a8 53.Bb4-a3 Ba8-b7 54.Ba3-c5 Kh5-g6 55.Bc5-e3 Bb7-d5 56.Be3-d2 1.86/17 ] 43...e5-e4 [Houdini 2.0c Pro x64:
43...e5-e4 44.Bc7-b6 Bb7-c6 45.b2-b4 Bc6-d5 46.Bb6-e3 Bd5-e6+ 47.Kg4-g3 Be6-d5 48.h2-h3 Kg6-f6 49.b4-b5 Kf6-f5 50.b5-b6 Kf5-g6 51.Be3-d2 Diagram
XIIIIIIIIY
9-+-+-+-+0{
Kh5-g6 53.Kg3-f2 Bd5-a8 54.Kf2-e3 Kg6-f5 55.Ke3-d4 g5-g4 56.h3xg4+
Kf5xg4 57.Kd4-c5 Kg4-f3 1.86/19 ] 44...Bb7-c8+ [Houdini 2.0c Pro x64:
44...Bb7-d5 45.b2-b4 Bd5-b7
46.b4-b5 Bb7-c8+ 47.Kg4-g3 Bc8-b7 48.Bb6-e3 Kg6-f5 49.h2-h3 Kf5-g6 50.Be3-c1 Kg6-h5 51.Bc1-d2 Bb7-a8 52.Bd2-e3 Ba8-d5 53.b5-b6 Bd5-a8 54.Be3-d4 Ba8-b7 55.Bd4-c5 Kh5-g6 56.Bc5-e3 Bb7-d5 57.Be3-d2 Kg6-h5 58.Bd2-c1 Kh5-g6 59.Kg3-f2 Bd5-a8 60.Kf2-e3 Kg6-f5 61.Ke3-d4 g5-g4 62.h3xg4+ Kf5xg4 63.Kd4-c5 Kg4-f3 1.91/21 ] 45.Kg4-g3 [Houdini 2.0c Pro x64: 45.Kg4-g3 1.14/1 ] 45...Bc8-b7 [ Houdini 2.0c Pro x64: 45...Bc8-b7 46.Bb6-e3 Kg6-f5 47.h2-h3 Bb7-a8 48.b2-b4 Ba8-b7 49.b4-b5 Kf5-g6 50.Be3-c1 Kg6-h5 51.Bc1-d2 Bb7-a8 52.Bd2-e3 Ba8-d5 53.b5-b6 Bd5-a8 54.Be3-d4 Ba8-b7 55.Bd4-c5 Kh5-g6 56.Bc5-e3 Bb7-c6 57.Be3-d2 Bc6-b7
9zP-+-+-+-0 9-zP-+-+k+0 9+-+l+-zp-0 9-+-+p+-+0 9+-+-+-mKP0 9-+-vL-+-+0 9+-+-+-+-0 xiiiiiiiiy
18
3 58.Bd2-c1 Bb7-c6 59.Kg3-f2 Kg6-h5 60.Kf2-e3 g5-g4 61.h3xg4+ Kh5xg4 62.Ke3-d4 Kg4-f5 63.Bc1-g5 Bc6-a8 1.91/19 ] 46.Bb6-e3 [Houdini 2.0c Pro x64: 46.Bb6-e3 Kg6-f5 47.h2-h3 Bb7-a8 48.b2-b4 Ba8-b7 49.b4-b5 Kf5-g6 50.Be3-c1 Kg6-h5 51.Bc1-d2 Bb7-a8 52.Bd2-e3 Ba8-d5 53.b5-b6 Bd5-a8 54.Be3-d4 Ba8-b7 55.Bd4-c5 Kh5-g6 56.Bc5-f2 Kg6-f6 57.Bf2-e3 Kf6-g6 58.Be3-c1 Bb7-c6 59.Kg3-f2 Kg6-h5 60.Kf2-e3 g5-g4 61.h3xg4+
Kg6-h5 52.Bd2-b4 Bd5-a8 53.Bb4-a3 Ba8-c6 54.Ba3-c5 Bc6-b7 55.Bc5-e3 Kh5-g6 56.Be3-c1 Kg6-f5 57.Kg3-f2 Bb7-a8 58.Kf2-g3 Ba8-d5 59.Bc1-e3 Kf5-g6 1.91/18 ] 44.Bc7-b6
[ Houdini 2.0c Pro x64: 44.Bc7-b6 Bb7-c6 45.b2-b4 Bc6-d5 46.Bb6-e3 Bd5-e6+ 47.Kg4-g3 Be6-d5 48.h2-h3 Kg6-f6 49.b4-b5 Kf6-f5 50.b5-b6 Kf5-g6 51.Be3-d2 Kg6-h5 52.Bd2-c1
Kh5xg4 62.Ke3-d4 Kg4-f5 63.Bc1-g5 Bc6-a8 1.86/20 ] 46...Kg6-f5
[ Houdini 2.0c Pro x64: 46...Kg6-f5 47.h2-h3 Bb7-a8 48.b2-b4 Ba8-b7 49.b4-b5 Kf5-g6 50.Be3-c1 Kg6-h5 51.Bc1-d2 Bb7-a8 52.Bd2-e3 Ba8-d5 53.b5-b6 Bd5-a8 54.Be3-d4 Ba8-b7 55.Bd4-b2 Bb7-c6 56.Bb2-c1 Kh5-g6 57.Bc1-e3 Bc6-b7 58.Be3-c1 Bb7-c6 59.Bc1-e3 1.91/20 ] 47.b2-b4
[ 47.h2-h3 might be the shorter path Bb7-d5+- ;Houdini 2.0c Pro x64:
47.h2-h3 Bb7-a8 48.b2-b4 Ba8-b7 49.b4-b5 Kf5-g6 50.Be3-c1 Kg6-h5 51.Bc1-d2 Bb7-a8 52.Bd2-e3 Ba8-d5
54.b5-b6 Kf6-g6 55.Bd2-c1 Bd5-c6 56.Bc1-e3 Bc6-d5 57.Be3-d2 Diagram
XIIIIIIIIY
9-+-+-+-+0{
53.b5-b6 Bd5-a8 54.Be3-d4 Ba8-b7 55.Bd4-c5 Bb7-c6 56.Bc5-f2 Kh5-g6 57.Bf2-e3 Bc6-d5 58.Be3-d2 Kg6-h5 59.Bd2-c1 Kh5-g6 60.Kg3-f2 Bd5-a8 61.Kf2-e3 Kg6-f5 62.Ke3-d4 g5-g4 63.h3xg4+ Kf5xg4 64.Kd4-c5 Kg4-f3 1.86/19 ] 47...Bb7-a8 [ 47...g5-g4 doesn't change anything anymore 48.b4-b5+- ;Houdini 2.0c Pro x64:
47...g5-g4 48.b4-b5 Bb7-a8 49.b5-b6 Ba8-b7 50.Be3-f2 Bb7-a8 51.Bf2-d4 Ba8-b7 52.Bd4-e3 Bb7-a8 53.Be3-d2
9zP-+-+-+-0 9-zP-+-+k+0 9+-+l+-zp-0 9-+-+p+-+0 9+-+-+-mKP0 9-+-vL-+-+0 9+-+-+-+-0 xiiiiiiiiy
184
Ba8-b7 54.Bd2-f4 Bb7-a8 55.Bf4-h6 Ba8-b7 56.Bh6-d2 Bb7-a8 57.Bd2-f4 Ba8-b7 58.Bf4-h6 Bb7-a8 59.Kg3-h4 Ba8-b7 60.Kh4-g3 Bb7-a8 1.48/23 ] 48.b4-b5 [ 48.h2-h3 makes it even easier for White Ba8-b7+- ;Houdini 2.
0c Pro x64: 48.h2-h3 Ba8-b7 49.b4-b5 Kf5-g6 50.Be3-c1 Kg6-h5 51.Bc1-d2 Bb7-a8 52.Bd2-e3 Ba8-d5 53.b5-b6 Bd5-a8 54.Be3-d4 Ba8-b7 55.Bd4-c5 Kh5-g6 56.Kg3-f2 Bb7-a8 57.Bc5-e3 Kg6-h5 58.Kf2-g3 Ba8-c6 59.Be3-c5 Bc6-b7 60.Bc5-e3 Bb7-a8 61.Be3-d4 1.86/21 ] 48...Ba8-b7 [ 48...g5-g4 does not help much 49.b5-b6+- ; Houdini 2.0c Pro x64: 48...g5-g4 49.b5-b6 Ba8-b7 50.Be3-f2 Bb7-a8 51.Bf2-d4 Ba8-b7 52.Bd4-e3 Bb7-a8 53.Be3-d2 Ba8-b7 54.Bd2-f4 Bb7-a8 55.Bf4-h6 Ba8-b7 56.Bh6-d2 Bb7-a8 57.Bd2-f4 Ba8-b7 58.Bf4-h6 Bb7-a8 59.Bh6-c1 Ba8-d5 60.Kg3-f2 Bd5-a8 61.Bc1-e3 Ba8-b7 62.Kf2-g3 Bb7-a8 1.48/22 ] 49.Be3-c5 [ 49.h2-h3 keeps an even firmer grip Kf5-g6+- ; Houdini 2.0c Pro x64: 49.h2-h3 Kf5-g6
50.Be3-d2 Bb7-d5 51.Bd2-c1 Kg6-h5 52.Bc1-e3 Kh5-g6 53.Be3-d2 Kg6-f6
Kg6-h5 58.Bd2-b4 Bd5-a8 59.Bb4-a3 Ba8-c6 60.Ba3-c5 Bc6-a8 61.Bc5-d4 Ba8-c6 62.Bd4-e3 Bc6-a8 63.Be3-d4 Ba8-c6 1.86/22 ] 49...Bb7-a8
[ 49...g5-g4 doesn't get the cat off the tree 50.Bc5-e3+- ;Houdini 2.0c Pro x64: 49...g5-g4 50.b5-b6 Bb7-a8 51.Bc5-d4 Ba8-b7 52.Bd4-e3 Bb7-a8 53.Be3-d2 Ba8-b7 54.Bd2-f4 Bb7-a8 55.Bf4-h6 Ba8-b7 56.Bh6-d2 Bb7-a8 57.Bd2-f4 Ba8-b7 58.Bf4-h6 Bb7-a8 59.Bh6-e3 Ba8-b7 60.Be3-f2 Bb7-a8 61.Bf2-d4 Ba8-b7 1.48/21 ] 50.Bc5-e3 [Houdini 2.0c Pro x64: 50.h2-h3
Ba8-b7 51.Bc5-e3 Kf5-g6 52.Be3-d2 Bb7-d5 53.Bd2-c1 Kg6-h5 54.Bc1-e3 Kh5-g6 55.Be3-d2 Kg6-f6 56.b5-b6 Bd5-b7 57.Kg3-f2 Bb7-a8 58.Bd2-c1 Kf6-f5 59.Kf2-g3 Ba8-d5 60.Bc1-e3 Kf5-g6 61.Be3-d2 Kg6-h5 62.Bd2-b4 Bd5-a8 63.Bb4-a3 Ba8-b7 64.Ba3-c5 Kh5-g6 65.Bc5-e3 Bb7-d5 66.Be3-d2 1.86/20 ] 50...Ba8-b7 [Houdini 2.0c Pro x64: 50...Ba8-b7 51.Kg3-f2 Kf5-e5 52.Be3xg5 Ke5-d5 53.Kf2-e3 Kd5-c5 0.01/20 ] 51.b5-b6 [ ¹51.h2-h3
seems even better Kf5-g6+- ;
Houdini 2.0c Pro x64: 51.h2-h3 Kf5-g6
52.Be3-d2 Bb7-d5 53.Bd2-c1 Kg6-h5 54.Bc1-e3 Kh5-g6 55.Be3-d2 Kg6-f6 56.b5-b6 Bd5-b7 57.Kg3-f2 Bb7-a8 58.Bd2-c1 Kf6-g6 59.Kf2-g2 Kg6-f5 60.Kg2-g3 Ba8-d5 61.Bc1-e3 Kf5-g6 62.Be3-d2 Kg6-h5 63.Bd2-b4 Bd5-a8 64.Bb4-a3 Ba8-b7 65.Ba3-c5 Kh5-g6 66.Bc5-e3 Bb7-d5 67.Be3-d2 1.86/21 ] 51...Bb7-a8 [ 51...g5-g4+- praying for a miracle ;Houdini 2.0c Pro x64:
51...g5-g4 52.Be3-f2 Bb7-a8
53.Bf2-d4 Ba8-b7 54.Bd4-e3 Bb7-a8 55.Be3-d2 Ba8-b7 56.Bd2-f4 Bb7-a8 57.Bf4-h6 Ba8-b7 58.Bh6-d2 Bb7-a8 59.Bd2-f4 Ba8-b7 60.Bf4-h6 Bb7-a8 61.Bh6-c1 Ba8-d5 62.Kg3-f2 Bd5-a8 63.Bc1-e3 Ba8-b7 64.Kf2-g3 Bb7-a8 1.48/21 ] 52.h2-h3 [Houdini 2.0c Pro x64: 52.h2-h3 Ba8-c6 53.Kg3-f2 Bc6-a8 54.Kf2-e2 g5-g4 55.h3-h4 Kf5-g6 56.Ke2-f2 Kg6-h5 57.Kf2-g3 Ba8-b7 58.Be3-g1 Bb7-c6 59.Bg1-f2 e4-e3 60.Bf2xe3 Bc6-b7 61.Be3-c5 Bb7-f3 62.Bc5-d4 Bf3-b7 63.Bd4-g1 Bb7-e4 64.Kg3-f4 Be4-b7 65.Bg1-f2 Bb7-c6 66.Kf4-e5 g4-g3 67.Bf2xg3 Kh5-g4 68.Ke5-d6 Bc6-h1 69.Kd6-c5 Bh1-b7 70.h4-h5 Kg4-f3 71.Bg3-h2 Bb7-a8 72.h5-h6 Kf3-g4 73.Kc5-d6 Ba8-g2 74.Kd6-c7 Kg4-h3 75.Kc7-b8 4.18/19 ] 52...Ba8-b7 [ 52...Ba8-c6 does not solve anything 53.Kg3-f2+- ; Houdini 2.0c Pro x64: 52...Ba8-d5 53.Kg3-f2 Bd5-a8 54.Kf2-e2 g5-g4 55.h3-h4 Kf5-g6 56.Ke2-f2 Kg6-h5 57.Kf2-g3 Ba8-b7 58.Be3-g1 Bb7-d5 59.Bg1-d4 Bd5-a8 60.Bd4-c5 Ba8-b7 61.Bc5-e3 Bb7-a8 62.Be3-f2 e4-e3 63.Bf2xe3 Ba8-h1 64.Be3-f2 Bh1-f3 65.Bf2-g1 Bf3-a8 66.Bg1-d4 Ba8-h1 67.Bd4-c5 Bh1-a8 68.Bc5-g1 Ba8-f3 69.Bg1-e3 Bf3-a8 70.Be3-d4 Ba8-h1 4.22/21 ] 53.Kg3-f2 [Houdini 2.0c Pro x64: 53.Kg3-f2 Kf5-g6 54.Kf2-e2 Kg6-h5 55.Be3-f2 Kh5-g6 56.Ke2-e3
Kg6-f5 57.Ke3-d4 Kf5-e6 58.Bf2-e3 Ke6-d6 59.Be3xg5 Kd6-c6 60.Bg5-d8 e4-e3 61.Kd4xe3 Kc6-d7 62.Bd8-c7 Kd7-c8 63.h3-h4 Bb7-d5 64.Ke3-d4 Bd5-g2 65.h4-h5 Bg2-a8 66.Bc7-f4 Ba8-h1 67.h5-h6 Bh1-g2 68.h6-h7 3.83/18 ] 53...Bb7-a8 [Houdini 2.0c Pro x64: 53...Bb7-d5 54.Kf2-e2 g5-g4 55.h3-h4 Kf5-g6 56.Ke2-f2 Kg6-h5 57.Kf2-g3 Bd5-b7 58.Be3-g1 Bb7-c6 59.Bg1-f2 e4-e3 60.Bf2xe3 Bc6-b7 61.Be3-c5 Bb7-f3 62.Bc5-e3 Bf3-a8 63.Be3-d4 Ba8-c6 64.Bd4-f2 Bc6-d5 65.Kg3-f4 Bd5-b7 66.Kf4-e5 g4-g3 67.Bf2xg3 Kh5-g4 68.Ke5-d6 Bb7-h1 69.Kd6-c5 Bh1-a8 70.Bg3-e1 Ba8-b7 71.Be1-f2 Bb7-e4 72.Bf2-g1 Kg4-f5 73.Bg1-e3 Be4-g2 74.Be3-g1 Bg2-e4 75.Bg1-e3 4.29/19 ] 54.Kf2-e2
[ Houdini 2.0c Pro x64: 54.Kf2-e2 Kf5-g6 55.Ke2-d2 Kg6-h5 56.Be3-f2 Kh5-g6 57.Kd2-e3 Kg6-f5 58.Ke3-d4 Kf5-e6 59.Bf2-e3 Ke6-d6 60.Be3xg5 Kd6-c6 61.Bg5-d8 Kc6-d7 62.Bd8-c7 e4-e3 63.Kd4xe3 Ba8-h1 64.h3-h4 Kd7-e7 65.h4-h5 Bh1-b7 66.Bc7-f4 Bb7-a8 67.h5-h6 Ke7-f8 68.Ke3-d4 Kf8-g8 69.Kd4-e5 Kg8-h7 70.Ke5-d6 Kh7-g8 71.Bf4-e3 Kg8-h7 72.Kd6-c7 Kh7-h8 73.h6-h7 Ba8-h1 74.Kc7-b8 Bh1-d5 75.a7-a8Q Bd5xa8
76.Kb8xa8 4.14/18 ] 54...Ba8-b7 [ Houdini 2.0c Pro x64: 54...Kf5-g6 55.Ke2-d2 Kg6-h5 56.Be3-f2 Kh5-g6 57.Kd2-e3 Kg6-f5 58.Ke3-d4 Ba8-b7 59.Bf2-e3 g5-g4 60.h3xg4+ Kf5xg4 61.Kd4-c5 Kg4-f3 62.Kc5-d6 Bb7-a8 63.Kd6-c7 Kf3xe3 64.b6-b7 Ba8xb7 65.Kc7xb7 Ke3-f2 66.a7-a8Q e4-e3 Diagram
67.Qa8-a7 Kf2-f3 68.Qa7-c5 Kf3-f2 69.Kb7-c6 Kf2-f3 70.Qc5-f5+ Kf3-e2 71.Qf5-e4 Ke2-d2 72.Qe4-d4+ Kd2-e2 73.Kc6-d5 Ke2-f3 74.Qd4-e4+ Kf3-f2 75.Qe4-f4+ Kf2-e2 76.Kd5-d4 4.27/20 ]
XIIIIIIIIY
9Q+-+-+-+0
9+K+-+-+-0
189-+-+-+-+0
59+-+-+-+-0 9-+-+-+-+0 9+-+-zp-+-0
9-+-+-mk-+0 9+-+-+-+-0[
xiiiiiiiiy
55.Ke2-d2 [ 55.Ke2-d2 g5-g4 56.h3-h4+- ;Houdini 2.0c Pro x64:
55.Ke2-d2 g5-g4 56.h3-h4 Kf5-g6 57.Be3-f2 Bb7-a8 58.Kd2-e3 Kg6-f5 59.Ke3-d4 e4-e3 60.Kd4xe3 Kf5-e6 61.h4-h5 Ke6-f7 62.Ke3-f4 Kf7-g7 63.Kf4xg4 Ba8-b7 64.Bf2-e3 Kg7-f6 65.Be3-g5+ Kf6-g7 66.Kg4-f4 Kg7-f7 67.h5-h6 Kf7-g6 68.Kf4-e3 Bb7-c6 69.Ke3-d4 Bc6-a8 70.Kd4-e5 Kg6-f7 71.Ke5-d6 Ba8-f3 72.Bg5-e3 Kf7-f8 73.Kd6-c7 Kf8-e7 74.Be3-g1 Bf3-a8 75.Kc7-b8 4.16/17 ]
1-0
17 D11