test position - rook sacrifice

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yanquis1972
Posts: 1766
Joined: Wed Jun 03, 2009 12:14 am

test position - rook sacrifice

Post by yanquis1972 »

rybka vs ivanhoe 10 min/game

[D]2r1rb1k/ppq2pp1/4b2p/3pP2Q/5B2/2PB2R1/P4PPP/1R4K1 w - - 0 20

Rxg7!!

and ivanhoe won easily.

position taken from games run by robbolito at open chess forum.
http://www.open-chess.org/viewtopic.php?f=4&t=281
Dann Corbit
Posts: 12541
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: test position - rook sacrifice

Post by Dann Corbit »

yanquis1972 wrote:rybka vs ivanhoe 10 min/game

[D]2r1rb1k/ppq2pp1/4b2p/3pP2Q/5B2/2PB2R1/P4PPP/1R4K1 w - - 0 20

Rxg7!!

and ivanhoe won easily.

position taken from games run by robbolito at open chess forum.
http://www.open-chess.org/viewtopic.php?f=4&t=281
Stockfish and Houdini solve it.
Rybka coughs up a lung on this one.
Analysis from Q:\rxg7.epd
08/03/2010 7:41:46 PM Level: 120 Seconds
Analyzing engine: Stockfish-18-64-ja

1) Rxg7;
Searching move: Rg3xg7
Best move (Stockfish-18-64-ja): Rg3xg7
identical moves! Found in: 00:27
2 00:00 1.939 5.461 +0.68 Bf4d2 g7g6
2 00:00 2.241 6.242 +2.18 Qh5h4 Bf8e7
3 00:00 2.698 7.371 +1.01 Qh5h4 Qc7xc3 Qh4h5
4 00:00 4.513 12.131 +0.88 Qh5h4 Qc7xc3 a2a4 Bf8e7
5 00:00 9.213 24.437 0.00 Qh5h4 Bf8e7 Qh4h5 Be7f8
5 00:00 11.022 28.929 +1.37 Bf4d2 g7g6 Qh5h4 Qc7e7 Qh4xe7 Re8xe7
6+ 00:00 12.153 31.484 +1.93 Bf4d2 g7g6
6 00:00 13.297 34.007 +2.10 Bf4d2 g7g6 Qh5h4 Bf8g7 Bd2xh6 Bg7xe5 Bh6f4+ Kh8g8 Bf4xe5 Qc7xe5 Rb1xb7 Rc8xc3 Rb7xa7
7- 00:00 47.188 115.941 +1.13 Bf4d2 g7g6
7 00:00 73.614 173.209 +1.01 Bf4d2 g7g6 Qh5h4 h6h5 Qh4d4 a7a6 Rg3f3 Bf8e7
8 00:00 132.245 291.288 +0.80 Bf4d2 g7g6 Qh5h4 h6h5 Bd2g5 Kh8g8 Bg5f6 Bf8e7 Bd3b5 Be6d7 Bb5xd7 Be7xf6 Qh4xf6 Qc7xd7
9 00:00 245.778 490.574 +1.33 Bf4d2 g7g6 Qh5h4 Kh8g8 Bd2xh6 Bf8xh6 Qh4xh6 Qc7xe5 Rb1xb7 Qe5e1+ Bd3f1 Rc8xc3 Rg3xc3 Qe1xc3 Rb7xa7
10 00:00 304.819 575.130 +1.25 Bf4d2 g7g6 Qh5h4 Kh8g8 Bd2xh6 Qc7xe5 Bh6xf8 Re8xf8 Rb1xb7 Rf8e8 Qh4d4 Qe5xd4 c3xd4 Rc8c1+ Bd3f1 Kg8g7 Rb7xa7
11 00:00 346.069 626.936 +1.09 Bf4d2 g7g6 Qh5h4 Kh8g8 Bd2xh6 Qc7xe5 Bh6xf8 Re8xf8 Rb1xb7 Rf8e8 Qh4d4 Qe5xd4 c3xd4 Rc8c1+ Bd3f1 Kg8g7 Rb7xa7
12 00:00 458.634 768.231 +1.17 Bf4d2 g7g6 Qh5h4 Kh8g8 Bd2xh6 Qc7xe5 Bh6xf8 Re8xf8 Rg3e3 Qe5h8 Qh4xh8+ Kg8xh8 Bd3xg6 Kh8g7 Bg6d3 Rc8xc3 Rb1xb7 Rc3c1+ Bd3f1
13- 00:00 594.986 921.030 +1.01 Bf4d2 g7g6
13 00:00 759.063 1.072.122 +0.96 Bf4d2 g7g6 Qh5h4 Kh8g8 Bd2xh6 Qc7xe5 Bh6xf8 Re8xf8 Rg3e3 Qe5h8 Qh4e7 Rc8xc3 Bd3xg6 Rc3xe3 f2xe3 Qh8h6
14+ 00:00 1.176.346 1.417.284 +1.21 Bf4d2 g7g6
14 00:01 2.204.025 2.000.022 +0.80 Bf4d2 a7a6 a2a4 Qc7e7 Qh5f3 g7g6 Qf3e3 Bf8g7 f2f4 Rc8c7 a4a5 Kh8g8 Qe3a7 Re8c8
15+ 00:01 2.756.522 2.133.530 +1.09 Bf4d2 a7a6
15 00:01 3.548.579 2.362.569 +0.88 Bf4d2 a7a6 a2a4 Rc8b8 Qh5h4 Bf8e7 Qh4d4 Qc7c5 Bd3e2 g7g5 Be2d3 Qc5c6 Bd3c2 Kh8g8 Qd4d3
16 00:02 5.480.216 2.708.955 +0.84 Bf4d2 a7a6 a2a4 Rc8b8 Bd3c2 g7g6 Qh5h4 Qc7c4 Qh4xc4 d5xc4 Bc2e4 Bf8g7 f2f4 b7b5 a4xb5 Rb8xb5 Rb1xb5 a6xb5 Be4c6 Re8b8 Kg1f2 Bg7f8 Bd2e3 b5b4
17+ 00:02 6.335.330 2.456.506 +0.92 Bf4d2 a7a6
17+ 00:02 6.500.444 2.473.532 +1.01 Bf4d2 a7a6
17+ 00:03 8.704.908 2.726.247 +1.17 Bf4d2 a7a6
17 00:03 9.189.026 2.759.467 +0.96 Bf4d2 a7a6 a2a4 Rc8b8 Qh5h4 Bf8e7 Qh4d4 g7g5 Bd3c2 Qc7c4 Bd2e3 b7b5 a4xb5 Rb8xb5 Rb1xb5 a6xb5 Bc2d3 Qc4a4 Bd3e2 Qa4a1+ Be2d1
18- 00:03 11.519.586 2.911.191 +0.80 Bf4d2 a7a6
18+ 00:04 13.113.673 2.976.997 +1.13 Bf4d2 a7a6
18 00:04 14.429.513 3.030.773 +1.09 Bf4d2 a7a6 a2a4 Rc8b8 Qh5h4 Bf8e7 Qh4d4 Re8g8 Qd4f4 Rb8a8 Bd3c2 Ra8b8 Qf4d4 Qc7c4 Qd4e3 Be7c5 Qe3f3 Qc4h4 Bd2e3 Bc5xe3 Qf3xe3 g7g6 a4a5
19 00:05 15.434.570 3.049.105 +1.01 Bf4d2 a7a6 a2a4 Rc8b8 Qh5h4 Bf8e7 Qh4d4 Re8g8 Qd4f4 Qc7d8 Bd3c2 Be7h4 Rg3d3 Bh4g5 Qf4d4 Bg5xd2 Rd3xd2 Qd8g5 f2f4 Qg5g4 a4a5 Rg8c8
20- 00:06 22.887.483 3.303.620 +0.84 Bf4d2 a7a6
20 00:07 25.042.758 3.329.268 +0.96 Bf4d2 a7a6 a2a4 Rc8b8 Qh5h4 Bf8e7 Qh4d4 Re8g8 Qd4f4 Qc7d8 Bd3c2 Be7h4 Rg3d3 Rg8e8 Rd3f3 Bh4g5 Qf4d4 Qd8c7 Bd2xg5 h6xg5 Rf3g3 g5g4 h2h3 Kh8g8 h3xg4 Be6d7 Rg3e3
21- 00:08 28.823.943 3.431.013 +0.88 Bf4d2 a7a6
21+ 00:09 34.247.653 3.497.513 +1.05 Bf4d2 a7a6
21- 00:10 35.680.028 3.524.649 +0.80 Bf4d2 a7a6
21 00:17 63.367.137 3.708.716 +0.80 Bf4d2 a7a6 a2a4 Rc8b8 h2h3 Rb8d8 Qh5h4 Bf8e7 Qh4f4 Be7f8 a4a5 Rd8b8 Bd2e3 Qc7xa5 Be3b6 Qa5xc3 Bd3xa6 g7g5 Rg3xc3 g5xf4 Ba6d3 Re8c8 Rc3xc8 Rb8xc8 Bb6d4 Rc8c7
22 00:20 74.698.276 3.647.554 +0.80 Bf4d2 a7a6 a2a4 Rc8b8 h2h3 Rb8d8 Qh5h4 Bf8e7 Qh4f4 Be7f8 Bd2e3 Rd8c8 Be3d4 g7g6 a4a5 Bf8g7 Rg3e3 Kh8g8 h3h4
23 00:23 86.074.433 3.704.994 +0.84 Bf4d2 a7a6 a2a4 Rc8b8 h2h3 Rb8d8 Qh5h4 Bf8e7 Qh4f4 Be7f8 h3h4 g7g6 Bd2e3 Rd8c8 Be3b6 Qc7c6 a4a5 Bf8g7 Rb1c1 Re8e7 Rg3f3 Re7e8 Bb6d4 Qc6c7 Rc1a1 Kh8g8 Ra1a2 Re8e7 h4h5
23+ 00:27 106.114.151 3.819.253 +0.88 Rg3xg7 Bf8xg7
23+ 00:31 125.140.498 3.921.178 +2.10 Rg3xg7 Bf8xg7
23 01:10 307.522.291 4.365.671 +2.58 Rg3xg7 Bf8xg7 Bf4xh6 Be6g4 Bh6xg7+ Kh8xg7 Qh5h7+ Kg7f8 Qh7h8+ Kf8e7 Qh8h4+ Ke7f8 Qh4h6+
24 01:24 371.439.272 4.394.638 +2.94 Rg3xg7 Bf8xg7 Bf4xh6 Be6g4 Bh6xg7+ Kh8xg7 Qh5h7+ Kg7f8 Qh7h8+ Kf8e7 Qh8h4+ Ke7f8 Qh4h6+ Kf8g8 Bd3h7+ Kg8h8 Bh7f5+ Kh8g8 Qh6h7+ Kg8f8 Qh7h8+ Kf8e7 Qh8f6+ Ke7f8 Bf5xg4 Qc7c6 Qf6h8+ Kf8e7 Qh8h4+ Ke7f8 Bg4xc8 Re8xc8 h2h3 b7b6 Rb1d1 Kf8e8 Qh4h8+ Ke8e7 Qh8h5 Qc6e6 Qh5h4+ Ke7f8
25 01:48 487.680.093 4.498.229 +3.03 Rg3xg7 Bf8xg7 Bf4xh6 Be6g4 Bh6xg7+ Kh8xg7 Qh5h7+ Kg7f8 Qh7h8+ Kf8e7 Qh8h4+ Ke7f8 Qh4h6+ Kf8g8 Bd3h7+ Kg8h8 Bh7f5+ Kh8g8 Qh6h7+ Kg8f8 Qh7h8+ Kf8e7 Qh8f6+ Ke7f8 Bf5xg4 Qc7c6 Qf6h8+ Kf8e7 Qh8h4+ Ke7f8 Bg4xc8 Re8xc8 h2h3 Rc8e8 Rb1d1 a7a5 Qh4d4 Qc6c4 Qd4xc4 d5xc4 f2f4 f7f6 e5xf6 Re8e3 g2g4 Re3xc3 g4g5 Rc3f3 Kg1g2 Rf3xf4 Kg2g3 Rf4f5 h3h4 c4c3 Rd1c1 Rf5c5 g5g6 Rc5f5 h4h5
08/03/2010 7:43:49 PM, Time for this analysis: 00:02:00, Rated time: 00:27

1 of 1 matching moves
08/03/2010 7:43:49 PM, Total time: 12:02:03 AM
Rated time: 00:27 = 27 Seconds

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Analysis from Q:\rxg7.epd
08/03/2010 7:41:46 PM Level: 10 Seconds
Analyzing engine: Deep Rybka 4 x64

1) Rxg7;
Searching move: Rg3xg7
Best move (Deep Rybka 4 x64): h2-h3
Not found in: 02:00
2 00:00 550 550.000 +0.07 Qh5e2 Qc7xc3 Bd3b5 Qc3d4 Bb5xe8 Qd4xf4
2 00:00 728 728.000 +0.10 Qh5f3 g7g6 Bd3b5
3 00:00 1.075 63.235 0.00 Qh5f3 g7g6 Bd3b5 Be6f5 Bb5d3 Bf5e6 Bd3b5 Be6f5 Bb5d3 Bf5e6 Bd3b5 Be6f5 Bb5d3 Bf5e6 Bd3b5 Be6f5 Bb5d3 Bf5e6 Bd3b5 Be6f5 Bb5d3 Bf5e6 Bd3b5 Be6f5 Bb5d3 Bf5e6 Bd3b5 Be6f5 Bb5d3 Bf5e6 Bd3b5
3 00:00 1.414 83.176 +0.13 Qh5e2 Qc7xc3 Bd3b5 Qc3d4 Bb5xe8 Qd4xf4
4 00:00 4.928 154.000 +0.06 Bd3c2 d5d4 Qh5e2 d4xc3 Qe2e4 g7g6 Rb1xb7 Qc7c4
5 00:00 7.465 155.520 +0.03 Bd3c2 d5d4 Qh5e2 f7f5 Qe2f3 b7b6
5 00:00 11.226 175.406 +0.15 Bf4d2 a7a6 a2a4 g7g6 Qh5h4 h6h5 Qh4d4 Bf8e7
6 00:00 14.104 178.531 +0.13 Bf4d2 a7a6 a2a4 g7g6 Qh5h4 h6h5 Qh4d4 Bf8g7 Bd2f4
7 00:00 28.956 203.915 +0.09 Bf4d2 a7a6 a2a4 g7g6 Qh5h4 h6h5 Rg3e3 Bf8e7 Qh4d4 h5h4
8 00:00 68.378 218.460 +0.17 Bf4d2 a7a6 a2a4 g7g6 Qh5h4 h6h5 Qh4d4 Bf8e7 h2h3 h5h4 Rg3e3
9 00:00 101.175 239.751 +0.12 Bf4d2 a7a6 a2a4 Rc8d8 Qh5h4 Bf8e7 Qh4d4 Be7c5 Qd4f4 Qc7c6 Bd2e3 Bc5xe3
10 00:01 295.370 248.837 +0.22 Bf4d2 Rc8b8 Bd2e3 a7a6 Qh5h4 Bf8e7 Qh4f4 g7g5 Qf4d4 Re8c8 Rb1c1 b7b5 f2f4
11 00:02 671.860 248.837 +0.20 Bf4d2 Rc8b8 a2a4 Rb8c8 h2h3 a7a6 Qh5h4 Qc7xe5 Rb1xb7 Bf8d6 Bd3xa6 Qe5f5 Rg3f3 Qf5e5 Qh4g3
12 00:04 1.025.717 262.936 +0.22 Bf4d2 Rc8b8 a2a4 Rb8c8 h2h3 a7a6 Qh5h4 Bf8e7 Qh4f4 Re8g8 Qf4e3 Rg8e8 Qe3a7 Qc7xe5 Qa7xb7 Be7c5
13 00:08 2.354.077 274.816 +0.21 Bf4d2 a7a6 a2a4 Qc7d7 h2h3 Qd7c7 Qh5h4 Bf8e7 Qh4f4 Be7a3 Bd3c2 Ba3f8 Qf4d4 g7g6 Qd4h4
13+ 00:17 4.432.530 255.271 +0.34 h2h3 Qc7xc3 Rb1xb7 Qc3e1+ Bd3f1 Rc8c2 Bf4e3 Rc2xa2 Rb7xf7 Be6xf7 Qh5xf7 Ra2a1
13 00:20 5.177.406 251.220 +0.35 h2h3 a7a6 a2a4 Qc7c6 a4a5 Qc6c7 Rb1b6 Rc8b8 Qh5f3 Qc7xc3 Bf4xh6
14 00:24 5.968.456 250.870 +0.34 h2h3 a7a6 a2a4 Qc7c6 a4a5 Qc6d7 Bd3c2 d5d4 Rb1d1 Qd7c7 Rd1xd4 Re8d8 Rd4xd8 Rc8xd8 Qh5e2 g7g6 Bc2e4 Qc7xa5 Be4xb7 Qa5a1+ Kg1h2
15 00:46 12.093.765 264.038 +0.39 h2h3 b7b6 Bd3a6 Rc8b8 Ba6b5 Re8d8 Bf4e3 Rd8c8 Be3d4 Bf8c5 Rb1d1 Qc7e7 Qh5e2 Be6f5 Bb5d3 Bf5xd3 Qe2xd3
16 00:48 12.849.796 265.788 +0.39 h2h3 b7b6 Bd3a6 Rc8b8 Ba6b5 Re8d8 Bf4e3 Rd8c8 Be3d4 Bf8c5 Rb1d1 Qc7e7 Qh5e2 Be6f5 Bb5d3 Bf5xd3 Qe2xd3
08/03/2010 7:46:01 PM, Time for this analysis: 00:02:00, Rated time: 02:00

0 of 1 matching moves
08/03/2010 7:46:07 PM, Total time: 12:04:21 AM
Rated time: 02:00 = 120 Seconds

--------------------------------------------------------------------------------

Analysis from Q:\rxg7.epd
08/03/2010 7:41:46 PM Level: 10 Seconds
Analyzing engine: Houdini_x64_4CPU

1) Rxg7;
Searching move: Rg3xg7
Best move (Houdini_x64_4CPU): Rg3xg7
identical moves! Found in: 00:34
4/11 00:00 1.998 1.998.000 +0.17 Bf4d2 g7g6 Qh5e2 Kh8g8
4/14 00:00 3.513 1.756.000 +0.18 Qh5e2 Bf8e7 h2h3 Qc7xc3 Rb1xb7
5/16 00:00 6.721 1.680.000 +0.13 Qh5e2 Bf8e7 Bd3b5 Be6d7 Qe2d3
6/16 00:00 9.747 1.624.000 +0.18 Qh5e2 Bf8e7 Bd3b5 Be6d7 Qe2d3 Bd7xb5 Rb1xb5 Qc7c4
7/22 00:01 32.064 35.000 +0.06 Qh5e2 Bf8e7 Bd3c2 Qc7c4 Qe2d3 Qc4xd3 Bc2xd3 b7b6
7/22 00:01 35.354 38.000 +0.23 Bf4d2 g7g6 Qh5h4 Qc7xe5 Rb1xb7 Kh8g8 Bd2xh6 Bf8xh6 Qh4xh6 Rc8xc3 Rb7xa7
8/22 00:01 37.686 41.000 +0.19 Bf4d2 g7g6 Qh5h4 Qc7xe5 Rb1xb7 Kh8g8 Rg3e3 Qe5d6 Rb7xa7 Bf8g7 Re3e1 Be6d7
9/22+ 00:01 48.962 52.000 +0.24 Bf4d2 g7g6 Qh5h4 Qc7xe5 Rb1xb7 Kh8g8 Rg3e3 Qe5d6 Rb7xa7 Bf8g7 Re3e1 Be6d7
9/22 00:01 100.480 106.000 +0.21 Bf4d2 Rc8b8 Qh5e2 Bf8e7 Bd3c2 Be7h4 Qe2d3 g7g6 Rg3e3 Be6f5
10/22 00:01 181.324 186.000 +0.21 Bf4d2 Rc8b8 Qh5e2 Bf8e7 Bd3c2 Be7h4 Qe2d3 g7g6 Rg3e3 Be6f5
11/29 00:01 508.378 476.000 +0.14 Bf4d2 Rc8b8 Qh5e2 a7a6 Bd3c2 b7b5 h2h4 Bf8c5 Qe2d3 g7g6 Bd2e3 Be6f5
12/29 00:01 792.698 694.000 +0.16 Bf4d2 a7a6 a2a4 Re8e7 Rb1e1 Re7d7 Qh5h4 Bf8e7 Qh4d4 Be7c5 Qd4f4 Rd7e7
13/32 00:01 1.154.604 931.000 +0.13 Bf4d2 a7a6 a2a4 Re8e7 Rb1e1 Re7d7 Qh5h4 Bf8e7 Qh4d4 Be7c5 Qd4f4 Bc5e7 h2h4
14/32 00:01 1.747.885 1.260.000 +0.09 Bf4d2 a7a6 a2a4 Re8e7 Rb1e1 Re7d7 Qh5h4 Bf8e7 Qh4d4 Be7c5 Qd4f4 d5d4 c3c4 Qc7c6 a4a5
14/32 00:01 3.060.384 1.807.000 +0.11 Qh5f3 g7g6 Bd3c2 b7b6 Qf3e3 Bf8g7 Rb1d1 b6b5 h2h4 Kh8g8 Bc2b3 Qc7c5 Qe3d3 b5b4
15/37 00:02 4.255.263 2.090.000 +0.06 Qh5f3 g7g6 Qf3e3 Bf8g7 h2h4 a7a6 Qe3d4 Kh8g8 a2a4 Re8e7 Rb1c1 Qc7c5 h4h5 g6g5 Bf4d2
15/37 00:02 5.725.664 2.403.000 +0.12 Bf4d2 a7a6 Qh5h4 Qc7xe5 Rb1xb7 Rc8b8 Rb7b3 Be6d7 Rg3e3 Qe5c7 Qh4d4 Bf8d6 g2g3 Bd7e6 Rb3xb8 Re8xb8 Re3e1 Kh8g8 Bd3xa6
16/41 00:03 8.899.430 2.828.000 +0.14 Bf4d2 a7a6 Qh5h4 Qc7xe5 Rb1xb7 Rc8b8 Rb7b3 Be6d7 Rg3e3 Qe5c7 Qh4d4 Bf8d6 Re3xe8+ Rb8xe8 g2g3 Re8e5 Bd3xa6 Bd6c5 Qd4f4 Bd7f5 Ba6e2
17/42 00:05 21.051.012 3.625.000 +0.12 Bf4d2 a7a6 Rb1e1 Qc7c5 Bd3c2 Qc5c4 Bc2b3 Qc4b5 Re1d1 Rc8c7 h2h3 b7b6 Bd2c1 Re8c8 Rd1d3 d5d4 Bb3xe6 f7xe6 Rd3xd4 Rc7xc3 Rg3xc3 Rc8xc3
18/49+ 00:12 51.293.354 4.125.000 +0.18 Bf4d2 a7a6 Rb1e1 Qc7c5 Bd3c2 Qc5c4 Bc2b3 Qc4b5 Re1d1 Rc8c7 h2h3 b7b6 Bd2c1 Re8c8 Rd1d3 d5d4 Bb3xe6 f7xe6 Rd3xd4 Rc7xc3 Rg3xc3 Rc8xc3
18/55 00:16 69.553.048 4.238.000 +0.19 Bf4d2 a7a6 a2a4 Rc8d8 Rb1e1 Rd8d7 Qh5h4 Bf8e7 Qh4f4 Be7f8 h2h4 g7g6 Rg3f3 h6h5 Qf4e3 Kh8g8 Qe3d4 Bf8c5 Qd4f4 d5d4
19/55 00:30 131.277.527 4.397.000 +0.24 Bf4d2 a7a6 a2a4 Qc7d7 Qh5h4 Bf8e7 Qh4d4 Rc8c6 a4a5 Be7c5 Qd4f4 Bc5f8 Rb1b2 Rc6c5 Qf4h4 Bf8e7 Qh4b4 Qd7c7 Qb4xb7 Qc7xe5 Qb7xa6 d5d4 f2f4
19/55+ 00:34 152.725.173 4.451.000 +0.25 Rg3xg7 Bf8xg7 Bf4xh6 Kh8g8 Bh6xg7 Kg8xg7 Qh5h7+ Kg7f8 Qh7h8+ Kf8e7 Qh8f6+ Ke7f8 Rb1b4 d5d4 Rb4xd4 Be6g4 Rd4xg4 Qc7xe5 Qf6h6+ Kf8e7 Rg4e4
19/55+ 00:34 153.779.989 4.451.000 +0.37 Rg3xg7 Bf8xg7 Bf4xh6 Kh8g8 Bh6xg7 Kg8xg7 Qh5h7+ Kg7f8 Qh7h8+ Kf8e7 Qh8f6+ Ke7f8 Rb1b4 d5d4 Rb4xd4 Be6g4 Rd4xg4 Qc7xe5 Qf6h6+ Kf8e7 Rg4e4
19/55+ 00:35 158.039.788 4.454.000 +0.66 Rg3xg7 Bf8xg7 Bf4xh6 Kh8g8 Bh6xg7 Kg8xg7 Qh5h7+ Kg7f8 Qh7h8+ Kf8e7 Qh8f6+ Ke7f8 Rb1b4 d5d4 Rb4xd4 Be6g4 Rd4xg4 Re8xe5 Rg4h4 Re5e1+ Bd3f1
19/56+ 00:41 184.468.564 4.473.000 +1.75 Rg3xg7 Bf8xg7 Bf4xh6 Kh8g8 Bh6xg7 Kg8xg7 Qh5h7+ Kg7f8 Qh7h8+ Kf8e7 Qh8f6+ Ke7f8 Rb1b4 d5d4 Rb4xd4 Qc7d8 Rd4xd8 Re8xd8 Qf6h8+ Kf8e7 Qh8h4+ Ke7f8 Qh4h6+ Kf8e7 Bd3f1 Be6xa2 Qh6h4+ Ke7f8 Qh4b4+ Kf8g7 Qb4xb7 Ba2e6 Qb7e7 a7a5 Qe7g5+ Kg7f8 Qg5h6+ Kf8g8 Qh6g5+ Kg8f8 Qg5h6+
19/76 01:18 323.747.650 4.135.000 +2.24 Rg3xg7 Bf8xg7 Bf4xh6 Be6g4 Bh6xg7+ Kh8xg7 Qh5h7+ Kg7f8 Qh7h8+ Kf8e7 Qh8f6+ Ke7f8 Qf6h6+ Kf8g8 Bd3h7+ Kg8h8 Bh7f5+ Kh8g8 Qh6h7+ Kg8f8 Qh7h8+ Kf8e7 Qh8f6+ Ke7f8 Bf5xg4 Qc7c6 Qf6h8+ Kf8e7 Qh8h4+ Ke7f8 Bg4xc8 Re8xc8 h2h3 b7b6 Rb1d1 Qc6e6 Rd1d3 a7a5 Rd3g3 b6b5 Qh4h7 b5b4 Qh7g8+ Kf8e7 Qg8g5+ Ke7e8 c3xb4 a5xb4 Qg5f4 Rc8c2 Rg3g8+ Ke8d7 Rg8b8
20/76 01:22 344.059.209 4.172.000 +2.32 Rg3xg7 Bf8xg7 Bf4xh6 Be6g4 Bh6xg7+ Kh8xg7 Qh5h7+ Kg7f8 Qh7h8+ Kf8e7 Qh8f6+ Ke7f8 Qf6h6+ Kf8g8 Bd3h7+ Kg8h8 Bh7f5+ Kh8g8 Qh6h7+ Kg8f8 Qh7h8+ Kf8e7 Qh8f6+ Ke7f8 Bf5xg4 Qc7c6 Qf6h8+ Kf8e7 Qh8h4+ Ke7f8 Bg4xc8 Re8xc8 h2h3 b7b6 Rb1d1 Qc6e6 Rd1d3 a7a5 Rd3g3 b6b5 Qh4h7 Kf8e8 Qh7d3 Rc8c4 Qd3e3 Ke8f8 Qe3g5 Qe6b6 Rg3f3
21/76+ 01:27 364.959.620 4.199.000 +2.44 Rg3xg7 Bf8xg7 Bf4xh6 Be6g4 Bh6xg7+ Kh8xg7 Qh5h7+ Kg7f8 Qh7h8+ Kf8e7 Qh8f6+ Ke7f8 Qf6h6+ Kf8g8 Bd3h7+ Kg8h8 Bh7f5+ Kh8g8 Qh6h7+ Kg8f8 Qh7h8+ Kf8e7 Qh8f6+ Ke7f8 Bf5xg4 Qc7c6 Qf6h8+ Kf8e7 Qh8h4+ Ke7f8 Bg4xc8 Re8xc8 h2h3 b7b6 Rb1d1 Qc6e6 Rd1d3 a7a5 Rd3g3 b6b5 Qh4h7 Kf8e8 Qh7d3 Rc8c4 Qd3e3 Ke8f8 Qe3g5
21/76 01:34 398.146.900 4.235.000 +2.48 Rg3xg7 Bf8xg7 Bf4xh6 Be6g4 Bh6xg7+ Kh8xg7 Qh5h7+ Kg7f8 Qh7h8+ Kf8e7 Qh8f6+ Ke7f8 Qf6h6+ Kf8g8 Bd3h7+ Kg8h8 Bh7f5+ Kh8g8 Qh6h7+ Kg8f8 Qh7h8+ Kf8e7 Qh8f6+ Ke7f8 Bf5xg4 Qc7c6 Qf6h8+ Kf8e7 Qh8h4+ Ke7f8 Bg4xc8 Re8xc8 h2h3 b7b6 Rb1d1 Qc6e6 Rd1d3 a7a5 Rd3g3 b6b5 Qh4h7 Kf8e8 Qh7d3 Rc8c4 Rg3g8+ Ke8d7 Qd3e3 b5b4 c3xb4 a5xb4 Rg8a8
22/80+ 01:48 465.015.159 4.286.000 +2.61 Rg3xg7 Bf8xg7 Bf4xh6 Be6g4 Bh6xg7+ Kh8xg7 Qh5h7+ Kg7f8 Qh7h8+ Kf8e7 Qh8f6+ Ke7f8 Qf6h6+ Kf8g8 Bd3h7+ Kg8h8 Bh7f5+ Kh8g8 Qh6h7+ Kg8f8 Qh7h8+ Kf8e7 Qh8f6+ Ke7f8 Bf5xg4 Qc7c6 Qf6h8+ Kf8e7 Qh8h4+ Ke7f8 Bg4xc8 Re8xc8 h2h3 b7b6 Rb1d1 Qc6e6 Rd1d3 a7a5 Rd3g3 b6b5 Rg3g5 Kf8e8 Rg5g8+ Ke8d7 Rg8xc8 Kd7xc8 Qh4d4 Kc8d8 f2f4 Qe6c6 h3h4 Kd8e8 h4h5
22/80+ 01:59 516.513.488 4.326.000 +2.86 Rg3xg7 Bf8xg7 Bf4xh6 Be6g4 Bh6xg7+ Kh8xg7 Qh5h7+ Kg7f8 Qh7h8+ Kf8e7 Qh8f6+ Ke7f8 Qf6h6+ Kf8g8 Bd3h7+ Kg8h8 Bh7f5+ Kh8g8 Qh6h7+ Kg8f8 Qh7h8+ Kf8e7 Qh8f6+ Ke7f8 Bf5xg4 Qc7c6 Qf6h8+ Kf8e7 Qh8h4+ Ke7f8 Bg4xc8 Re8xc8 h2h3 b7b6 Rb1d1 Qc6e6 Rd1d3 a7a5 Rd3g3 b6b5 Rg3g5 Kf8e8 Rg5g8+ Ke8d7 Rg8xc8 Kd7xc8 Qh4d4 Kc8d8 f2f4 Qe6c6 h3h4 Kd8e8 h4h5
08/03/2010 7:48:51 PM, Time for this analysis: 00:02:00, Rated time: 00:34

1 of 1 matching moves
08/03/2010 7:48:52 PM, Total time: 12:07:06 AM
Rated time: 00:34 = 34 Seconds
yanquis1972
Posts: 1766
Joined: Wed Jun 03, 2009 12:14 am

Re: test position - rook sacrifice

Post by yanquis1972 »

HIARCS aggressive gets it after a bit:


Analysis by HIARCS 13.1 MP:

20.Rb3 d4
+/- (0.71) Depth: 12/29 00:00:00 638kN
20.Bc2
+/- (0.71) Depth: 12/29 00:00:00 658kN
20.Bc2 g6 21.Qh4 Kh7 22.Ba4 Bf5 23.Rd1 Rxe5
+/- (0.72) Depth: 12/29 00:00:00 814kN
20.Bb5
+/- (0.73) Depth: 12/29 00:00:00 957kN
20.Bb5 Red8 21.Be3 a6 22.Bd3 Qxc3 23.Rd1 b5 24.Bb6 Qb2 25.Bxd8 Rxd8 26.Rf3 Be7 27.Bb1
+/- (0.78) Depth: 12/29 00:00:00 1003kN
20.Bb5 Red8 21.Be3 a6 22.Bd3 b5 23.a4 Qxc3 24.Bb6 Re8 25.axb5
+/- (0.83) Depth: 13/31 00:00:00 1182kN
20.Bb5 Red8 21.Rd1 d4
+/- (0.74) Depth: 14/31 00:00:01 1882kN
20.Bc2
+/- (0.75) Depth: 14/31 00:00:02 2860kN
20.Bc2 g6
+/- (0.75) Depth: 14/31 00:00:02 3206kN
20.Bf1
+/- (0.75) Depth: 14/31 00:00:03 4834kN
20.Bf1 g6
+/- (0.75) Depth: 14/31 00:00:03 4977kN
20.h4
+/- (0.76) Depth: 14/31 00:00:03 5242kN
20.h4 b6
+/- (0.76) Depth: 14/31 00:00:03 5811kN
20.h3
+/- (0.77) Depth: 14/31 00:00:04 6420kN
20.h3 a6 21.Bd2 g6 22.Qh4 Kh7 23.Bg5 b5 24.Bf6 Ba3 25.Qf4 Qa5
+/- (0.78) Depth: 14/31 00:00:04 6589kN
20.h3 a6 21.Bd2 g6 22.Qh4 Kh7 23.Bg5 b5 24.Bf6 Ba3 25.Rf3 Qd7 26.Qf4 Rc7 27.Rg3 Bf5 28.Bxf5
+/- (0.78) Depth: 15/31 00:00:05 7547kN
20.h3 a6 21.Bd2 g6 22.Qh4 Kh7 23.Bg5 b5 24.Bf6 Ba3 25.Qf4 Rg8 26.h4 Qa5 27.h5 Bf8 28.Qe3 Rxc3 29.Bxg6+
+/- (0.78) Depth: 16/31 00:00:05 8617kN
20.h3 a6 21.Bd2 g6 22.Qh4 Kh7 23.Bg5 b5 24.Bf6 Ba3 25.Rf3 Qd7 26.Qf4 Rc7 27.Rb3 Be7
+/- (0.78) Depth: 17/31 00:00:06 9691kN
20.h3 a6 21.Bd2 g6 22.Qh4 Kh7 23.Bg5 b5 24.Bf6 Ba3 25.Rf3 Qa5 26.Bg5
+/- (0.78) Depth: 18/33 00:00:07 11865kN
20.h3 a6 21.Bd2 g6 22.Qh4 Kh7 23.Bg5 b5 24.Bf6 Ba3 25.Rf3 Qd7 26.Qf4 Rc7 27.h4 Qc8
+/- (0.77) Depth: 19/35 00:00:09 16625kN
20.h3 a6 21.Bd2 g6 22.Qh4 Kh7 23.Bg5 b5 24.Bf6 Ba3 25.Rf3 Qd7 26.Qf4 Rc7 27.Rg3 Rec8 28.h4 Rxc3 29.h5 Bf5 30.Bxf5 Qxf5 31.Qxf5 gxf5 32.Rg7+ Kh8 33.Rxf7+ Kg8 34.Rg7+ Kf8
+/- (0.77) Depth: 20/35 00:00:14 26025kN
20.h3 a6 21.a4 g6 22.Qh4 Kh7
+/- (0.76) Depth: 21/39 00:01:10 113mN
20.Rxg7
+/- (0.77) Depth: 21/45 00:07:16 675mN

20.Rxg7
+/- (1.02 ++) Depth: 21/45 00:07:22 686mN
20.Rxg7
+- (2.02 ++) Depth: 21/45 00:07:43 722mN
20.Rxg7 Bxg7 21.Bxh6 Bg4 22.Bxg7+ Kxg7 23.Qh7+ Kf8 24.Qh6+ Kg8 25.Bh7+ Kh8 26.Bf5+ Kg8 27.Qh7+ Kf8 28.Qh8+ Ke7 29.Qf6+ Kf8 30.Bxg4 Qc6 31.Bxc8 Rxc8 32.h4 Qxf6 33.exf6 b6 34.Rd1 Rc6 35.c4 Rxc4 36.Rxd5 Kg8
+- (2.88) Depth: 21/62 00:10:45 1042mN, tb=9
kgburcham
Posts: 2016
Joined: Sun Feb 17, 2008 4:19 pm

Re: test position - rook sacrifice

Post by kgburcham »

compare hardware.
4 threads HT off, 12 threads HT off.
SR2 throttled back to 3.5

[D] 2r1rb1k/ppq2pp1/4b2p/3pP2Q/5B2/2PB2R1/P4PPP/1R4K1 w - -

CPU0: GenuineIntel Intel64 Family 6 Model 26 Stepping 5 2860 MHz
CPU1: GenuineIntel Intel64 Family 6 Model 26 Stepping 5 2860 MHz
CPU2: GenuineIntel Intel64 Family 6 Model 26 Stepping 5 2860 MHz
CPU3: GenuineIntel Intel64 Family 6 Model 26 Stepping 5 2860 MHz

Deep Rybka 4 x64 (2048 MB)

19.08 5:22 +0.72++ 1.Rxg7 Bxg7 2.Bxh6 Kg8 3.Bxg7 Kxg7 4.Qh7+ Kf8 5.Qh8+ Ke7 (114.005.756) 353
19.01 5:25 +0.87++ 1.Rxg7 Bxg7 2.Bxh6 Kg8 3.Bxg7 Kxg7 4.Qh7+ Kf8 5.Qh8+ Ke7 (114.886.289) 353
19.01 5:29 +1.27++ 1.Rxg7 Bxg7 2.Bxh6 (116.426.788) 353
19.01 5:43 +2.07++ 1.Rxg7 Bxg7 2.Bxh6 (122.629.782) 356
19.01 7:20 +2.70 1.Rxg7 Bxg7 2.Bxh6 Bg4 3.Bxg7+ Kxg7 4.Qg5+ Kf8 (167.266.965) 379
20.01 7:36 +2.70 1.Rxg7 Bxg7 2.Bxh6 Bg4 3.Bxg7+ Kxg7 4.Qg5+ Kf8 (174.600.156) 382
20.01 8:03 +2.70 1.Rxg7 Bxg7 2.Bxh6 Bg4 3.Bxg7+ Kxg7 4.Qg5+ Kf8 (185.399.705) 383


Fire 1.31 x64 (2048 MB)

21.00 2:34 +0.44++ 1.Rxg7 (1.158.457.013) 7476
21.00 2:34 +0.44++ 1.Rxg7 (1.158.457.013) 7476
21.00 2:36 +0.56++ 1.Rxg7 (1.171.303.691) 7476
21.00 2:36 +0.56++ 1.Rxg7 (1.171.303.691) 7476
21.00 2:41 +0.74++ 1.Rxg7 (1.205.940.242) 7482
21.00 2:41 +0.74++ 1.Rxg7 (1.205.940.242) 7482
21.00 2:48 +1.01++ 1.Rxg7 (1.260.904.405) 7490
21.00 2:48 +1.01++ 1.Rxg7 (1.260.904.405) 7490
21.00 2:58 +1.41++ 1.Rxg7 (1.338.130.517) 7494
21.00 2:58 +1.41++ 1.Rxg7 (1.338.130.517) 7494
21.00 3:08 +2.01++ 1.Rxg7 (1.417.612.912) 7506
21.00 3:08 +2.01++ 1.Rxg7 (1.417.612.912) 7506
21.00 3:13 +2.01 1.Rxg7 (1.452.058.253) 7498


CPU0: GenuineIntel Intel64 Family 6 Model 44 Stepping 0 3498 MHz
CPU1: GenuineIntel Intel64 Family 6 Model 44 Stepping 0 3498 MHz
CPU2: GenuineIntel Intel64 Family 6 Model 44 Stepping 0 3498 MHz
CPU3: GenuineIntel Intel64 Family 6 Model 44 Stepping 0 3498 MHz
CPU4: GenuineIntel Intel64 Family 6 Model 44 Stepping 0 3498 MHz
CPU5: GenuineIntel Intel64 Family 6 Model 44 Stepping 0 3498 MHz
CPU6: GenuineIntel Intel64 Family 6 Model 44 Stepping 0 3498 MHz
CPU7: GenuineIntel Intel64 Family 6 Model 44 Stepping 0 3498 MHz
CPU8: GenuineIntel Intel64 Family 6 Model 44 Stepping 0 3498 MHz
CPU9: GenuineIntel Intel64 Family 6 Model 44 Stepping 0 3498 MHz
CPU10: GenuineIntel Intel64 Family 6 Model 44 Stepping 0 3498 MHz
CPU11: GenuineIntel Intel64 Family 6 Model 44 Stepping 0 3498 MHz

Deep Rybka 4 x64 (4096 MB)

20.09 2:40 +0.64++ 1.Rxg7 Bxg7 2.Bxh6 Kg8 3.Bxg7 Kxg7 4.Qh7+ Kf8 5.Qh8+ Ke7 (113.224.075) 706
20.01 2:42 +0.79++ 1.Rxg7 Bxg7 2.Bxh6 Kg8 3.Bxg7 Kxg7 4.Qh7+ Kf8 5.Qh8+ Ke7 (115.266.258) 708
20.01 2:47 +1.19++ 1.Rxg7 Bxg7 2.Bxh6 Kg8 3.Bxg7 Kxg7 4.Qh7+ Kf8 5.Qh8+ Ke7 6.Qf6+ Kf8 (118.369.644) 708
20.01 3:01 +1.99++ 1.Rxg7 Bxg7 2.Bxh6 Kg8 3.Bxg7 Kxg7 4.Qh7+ Kf8 (130.086.498) 717
20.01 4:37 +1.99++ 1.Rxg7 Bxg7 2.Bxh6 Kg8 3.Bxg7 Kxg7 4.Qh7+ Kf8 5.Qh8+ Ke7 (214.990.848) 775


Fire 1.31 x64 (4096 MB)

19.00 0:11 +0.32++ 1.Rxg7 (174.262.924) 15652
19.00 0:11 +0.32++ 1.Rxg7 (174.262.924) 15652
19.00 0:11 +0.40++ 1.Rxg7 (176.762.331) 15594
19.00 0:11 +0.40++ 1.Rxg7 (176.762.331) 15594
19.00 0:11 +0.52++ 1.Rxg7 (181.296.167) 15545
19.00 0:11 +0.52++ 1.Rxg7 (181.296.167) 15545
19.00 0:12 +0.70++ 1.Rxg7 (188.738.354) 15494
19.00 0:12 +0.70++ 1.Rxg7 (188.738.354) 15494
19.00 0:13 +0.97++ 1.Rxg7 (200.895.321) 15452
19.00 0:13 +0.97++ 1.Rxg7 (200.895.321) 15452
19.00 0:14 +1.37++ 1.Rxg7 (217.853.665) 15555
19.00 0:14 +1.37++ 1.Rxg7 (217.853.665) 15555
19.00 0:16 +1.97++ 1.Rxg7 (269.132.589) 15838
19.00 0:16 +1.97++ 1.Rxg7 (269.132.589) 15838
19.00 0:35 +2.51 1.Rxg7 Bxg7 2.Bxh6 Bg4 3.Bxg7+ Kxg7 4.Qh7+ Kf8 5.Qh6+ Kg8 6.Bh7+ Kh8 7.Bf5+ Kg8 8.Qh7+ Kf8 9.Qh8+ Ke7 (585.254.429) 16437
19.00 0:35 +2.51 1.Rxg7 Bxg7 2.Bxh6 Bg4 3.Bxg7+ Kxg7 4.Qh7+ Kf8 5.Qh6+ Kg8 6.Bh7+ Kh8 7.Bf5+ Kg8 8.Qh7+ Kf8 9.Qh8+ Ke7 (585.641.348) 16416
20.00 0:39 +2.59++ 1.Rxg7 Bxg7 2.Bxh6 Bg4 3.Bxg7+ Kxg7 4.Qh7+ Kf8 5.Qh6+ Kg8 6.Bh7+ Kh8 7.Bf5+ Kg8 8.Qh7+ Kf8 9.Qh8+ Ke7 (649.533.613) 16484
20.00 0:39 +2.59++ 1.Rxg7 Bxg7 2.Bxh6 Bg4 3.Bxg7+ Kxg7 4.Qh7+ Kf8 5.Qh6+ Kg8 6.Bh7+ Kh8 7.Bf5+ Kg8 8.Qh7+ Kf8 9.Qh8+ Ke7 (649.533.613) 16484
20.00 0:41 +2.62 1.Rxg7 Bxg7 2.Bxh6 Bg4 3.Bxg7+ Kxg7 4.Qh7+ Kf8 5.Qh6+ Kg8 6.Bh7+ Kh8 7.Bf5+ Kg8 8.Qh7+ Kf8 9.Qh8+ Ke7 (681.134.428) 16436
20.00 0:41 +2.62 1.Rxg7 Bxg7 2.Bxh6 Bg4 3.Bxg7+ Kxg7 4.Qh7+ Kf8 5.Qh6+ Kg8 6.Bh7+ Kh8 7.Bf5+ Kg8 8.Qh7+ Kf8 9.Qh8+ Ke7 (683.092.995) 16392
21.00 0:47 +2.68 1.Rxg7 Bxg7 2.Bxh6 Bg4 3.Bxg7+ Kxg7 4.Qh7+ Kf8 5.Qh6+ Kg8 6.Bh7+ Kh8 7.Bf5+ Kg8 8.Qh7+ Kf8 9.Qh8+ Ke7 (781.300.131) 16459
21.00 0:47 +2.68 1.Rxg7 Bxg7 2.Bxh6 Bg4 3.Bxg7+ Kxg7 4.Qh7+ Kf8 5.Qh6+ Kg8 6.Bh7+ Kh8 7.Bf5+ Kg8 8.Qh7+ Kf8 9.Qh8+ Ke7 (783.290.039) 16407
22.00 0:57 +2.74 1.Rxg7 Bxg7 2.Bxh6 Bg4 3.Bxg7+ Kxg7 4.Qh7+ Kf8 5.Qh6+ Kg8 6.Bh7+ Kh8 7.Bf5+ Kg8 8.Qh7+ Kf8 9.Qh8+ Ke7 (950.284.967) 16532
22.00 0:58 +2.74 1.Rxg7 Bxg7 2.Bxh6 Bg4 3.Bxg7+ Kxg7 4.Qh7+ Kf8 5.Qh6+ Kg8 6.Bh7+ Kh8 7.Bf5+ Kg8 8.Qh7+ Kf8 9.Qh8+ Ke7 (955.774.585) 16460
23.00 1:15 +2.82++ 1.Rxg7 Bxg7 2.Bxh6 Bg4 3.Bxg7+ Kxg7 4.Qh7+ Kf8 5.Qh6+ Kg8 6.Bh7+ Kh8 7.Bf5+ Kg8 8.Qh7+ Kf8 (1.277.745.102) 16833
23.00 1:15 +2.82++ 1.Rxg7 Bxg7 2.Bxh6 Bg4 3.Bxg7+ Kxg7 4.Qh7+ Kf8 5.Qh6+ Kg8 6.Bh7+ Kh8 7.Bf5+ Kg8 8.Qh7+ Kf8 (1.277.745.102) 16833
23.00 1:20 +2.81 1.Rxg7 Bxg7 2.Bxh6 Bg4 3.Bxg7+ Kxg7 4.Qh7+ Kf8 5.Qh6+ Kg8 6.Bh7+ Kh8 7.Bf5+ Kg8 8.Qh7+ Kf8 (1.344.448.895) 16702
23.00 1:21 +2.81 1.Rxg7 Bxg7 2.Bxh6 Bg4 3.Bxg7+ Kxg7 4.Qh7+ Kf8 5.Qh6+ Kg8 6.Bh7+ Kh8 7.Bf5+ Kg8 8.Qh7+ Kf8 (1.355.107.187) 16621
23.00 1:32 +2.81 1.Rxg7 Bxg7 2.Bxh6 Bg4 3.Bxg7+ Kxg7 4.Qh7+ Kf8 5.Qh6+ Kg8 6.Bh7+ Kh8 7.Bf5+ Kg8 8.Qh7+ Kf8
jdart
Posts: 4367
Joined: Fri Mar 10, 2006 5:23 am
Location: http://www.arasanchess.org

Re: test position - rook sacrifice

Post by jdart »

This is quite difficult, although the top programs are finding it rather quickly.

Mine takes over 10 minutes on a quad.
mhalstern
Posts: 484
Joined: Wed Nov 18, 2009 1:09 am

Re: test position - rook sacrifice

Post by mhalstern »

I7-920 2.67 GHZ 1 Gig of Hash

2r1rb1k/ppq2pp1/4b2p/3pP2Q/5B2/2PB2R1/P4PPP/1R4K1 w - - 0 1

Analysis by Zappa Mexico II 64:

New game
2r1rb1k/ppq2pp1/4b2p/3pP2Q/5B2/2PB2R1/P4PPP/1R4K1 w - - 0 1

Analysis by Zappa Mexico II 64:

1.Bb5 Re7 2.Bg5 Qxe5 3.f4 Qd6 4.Bxe7 Bxe7
+/= (0.35) Depth: 9/34 00:00:00 960kN
1.Bb5 Re7 2.Bg5 Qxe5 3.f4 Qd6 4.Bxe7 Bxe7
+/= (0.35) Depth: 9/34 00:00:00 1039kN
1.Bb5 Re7 2.Bg5 Qxe5 3.f4 Qd6 4.Bxe7 Bxe7 5.f5
+/= (0.29) Depth: 10/34 00:00:00 1235kN
1.Bb5 Re7 2.Bg5 Qxe5 3.f4 Qd6 4.Bxe7 Bxe7 5.f5
+/= (0.29) Depth: 10/34 00:00:01 1981kN
1.Bb5 Red8 2.Bg5 Qxe5 3.f4 Qc7 4.Bxd8 Rxd8 5.f5 Qc5+ 6.Kf1 d4 7.Be2 Qxf5+ 8.Qxf5 Bxf5 9.Rxb7
= (0.08) Depth: 11/34 00:00:01 3235kN
1.Bd2 b6 2.Re1 Qe7 3.Qf3 g6 4.Qf4 g5
= (0.22) Depth: 11/41 00:00:02 5679kN
1.Bd2 b6 2.Re1 Qe7 3.Qf3 g6 4.Qf4 g5
= (0.22) Depth: 11/41 00:00:02 6611kN
1.Bd2 b6 2.Re1 Qe7 3.Qd1 Qa3 4.Qb1 g5 5.Rf3
= (0.14) Depth: 12/41 00:00:03 8408kN
1.Bd2 b6 2.Re1 Qe7 3.Qd1 Qa3 4.Qb1 g5 5.Rf3
= (0.14) Depth: 12/41 00:00:06 18463kN
1.Bd2 b6 2.Re1 Qd7 3.Qe2 Red8 4.Bg5 Be7 5.Bb5 Qc7 6.Bxe7 Qxe7
= (0.20) Depth: 13/41 00:00:11 33206kN
1.Bd2 b6 2.Re1 Qd7 3.Qe2 Red8 4.Bg5 Be7 5.Bb5 Qc7 6.Bxe7 Qxe7
= (0.20) Depth: 13/41 00:00:12 36932kN
1.Bd2 b6 2.Re1 Qd7 3.Qf3 Be7 4.Bc2 d4 5.Qd3 g6 6.Bb3 Bxb3 7.axb3
= (0.19) Depth: 14/43 00:00:18 53631kN
1.Bd2 b6 2.Re1 Qd7 3.Qf3 Be7 4.Bc2 d4 5.Qd3 g6 6.Bb3 Bxb3 7.axb3
= (0.19) Depth: 14/43 00:00:26 79675kN
1.Bd2 b6 2.h3 g6 3.Qh4 Kh7 4.Qf4 Kh8 5.Re1 Qc5 6.Rf3 Qa3
+/= (0.26) Depth: 15/43 00:00:40 120mN
1.Bd2 b6 2.h3 g6 3.Qh4 Kh7 4.Qf4 Kh8 5.Re1 Qc5 6.Rf3 Qa3
+/= (0.26) Depth: 15/49 00:00:46 138mN
1.Bd2 b6 2.a4 g6 3.Qh4 Kh7 4.Re1 Bg7 5.Ba6 Rcd8 6.Bg5 Rb8 7.Bf6
+/= (0.35) Depth: 16/49 00:01:20 245mN
1.Rxg7 Bxg7 2.Bxh6 Kg8 3.Bxg7 Kxg7 4.Qh7+ Kf8 5.Qh6+ Ke7 6.Qf6+ Kf8 7.Rb4 d4 8.Rxd4 Qd8 9.Qh6+ Ke7 10.Rxd8 Rexd8 11.Qh4+ Kf8 12.Qe4 Rc7
+- (1.95) Depth: 16/51 00:01:43 313mN
1.Rxg7 Bxg7 2.Bxh6 Kg8 3.Bxg7 Kxg7 4.Qh7+ Kf8 5.Qh6+ Ke7 6.Qf6+ Kf8 7.Rb4 d4 8.Rxd4 Qd8 9.Qh6+ Ke7 10.Rxd8 Rexd8 11.Qh4+ Kf8 12.Qe4 Rc7
+- (1.95) Depth: 16/51 00:01:45 319mN
1.Rxg7 Bxg7 2.Bxh6 Kg8 3.Bxg7 Kxg7 4.Qh7+ Kf8 5.Qh6+ Ke7 6.Qf6+ Kf8 7.Rb4 d4 8.Rxd4 Qd8 9.Qh6+ Ke7 10.Rxd8 Rexd8 11.Qh4+ Kf8 12.Qe4 Rc7
+- (1.95) Depth: 17/53 00:02:01 372mN
1.Rxg7 Bxg7 2.Bxh6 Kg8 3.Bxg7 Kxg7 4.Qh7+ Kf8 5.Qh6+ Ke7 6.Qf6+ Kf8 7.Rb4 d4 8.Rxd4 Qd8 9.Qh6+ Ke7 10.Rxd8 Rexd8 11.Qh4+ Kf8 12.Qe4 Rc7
+- (1.95) Depth: 17/53 00:02:06 389mN
1.Rxg7 Bxg7 2.Bxh6 Kg8 3.Bxg7 Kxg7 4.Qh7+ Kf8 5.Qh6+ Ke7 6.Qf6+ Kf8 7.Rb4 d4 8.Rxd4 Qd8 9.Qh6+ Ke7 10.Rxd8 Rexd8 11.Be2 Ke8 12.Qh4 Rd2
+- (1.87) Depth: 18/55 00:02:47 535mN
1.Rxg7 Bxg7 2.Bxh6 Kg8 3.Bxg7 Kxg7 4.Qh7+ Kf8 5.Qh6+ Ke7 6.Qf6+ Kf8 7.Rb4 d4 8.Rxd4 Qd8 9.Qh6+ Ke7 10.Rxd8 Rexd8 11.Be2 Ke8 12.Qh4 Rd2
+- (1.87) Depth: 18/55 00:02:59 575mN
1.Rxg7 Bxg7 2.Bxh6 Bg4 3.Bxg7+ Kxg7 4.Qh7+ Kf8 5.Qh6+ Kg8 6.Bh7+ Kh8 7.Bf5+ Kg8 8.Qh7+ Kf8 9.Qh8+ Ke7 10.Qf6+ Kf8 11.Bxg4 Qc6 12.Bxc8 Rxc8 13.h4 b6 14.Rd1 Kg8 15.Qxc6 Rxc6 16.Rxd5 Rxc3 17.Rd7 Ra3 18.Rd2
+- (2.19) Depth: 19/57 00:07:01 1406mN
1.Rxg7 Bxg7 2.Bxh6 Bg4 3.Bxg7+ Kxg7 4.Qh7+ Kf8 5.Qh6+ Kg8 6.Bh7+ Kh8 7.Bf5+ Kg8 8.Qh7+ Kf8 9.Qh8+ Ke7 10.Qf6+ Kf8 11.Bxg4 Qc6 12.Bxc8 Rxc8 13.h4 b6 14.Rd1 Kg8 15.Qxc6 Rxc6 16.Rxd5 Rxc3 17.Rd7 Ra3 18.Rd2
+- (2.19) Depth: 19/57 00:07:28 1489mN
1.Rxg7 Bxg7 2.Bxh6 Bg4 3.Bxg7+ Kxg7 4.Qh7+ Kf8 5.Qh6+ Kg8 6.Bh7+ Kh8 7.Bf5+ Kg8 8.Qh7+ Kf8 9.Qh8+ Ke7 10.Qf6+ Kf8 11.Bxg4 Qc6 12.Bxc8 Rxc8 13.h4 b6 14.Rd1 Kg8 15.Qg5+ Kh7 16.Qh5+ Kg8 17.Rd3 Qe6 18.Rf3 Rc4 19.Qg5+
+- (2.32) Depth: 20/59 00:12:34 2514mN
1.Rxg7 Bxg7 2.Bxh6 Bg4 3.Bxg7+ Kxg7 4.Qh7+ Kf8 5.Qh6+ Kg8 6.Bh7+ Kh8 7.Bf5+ Kg8 8.Qh7+ Kf8 9.Qh8+ Ke7 10.Qf6+ Kf8 11.Bxg4 Qc6 12.Bxc8 Rxc8 13.h4 b6 14.Rd1 Kg8 15.Qg5+ Kh7 16.Qh5+ Kg8 17.Rd3 Qe6 18.Rf3 Rc4 19.Qg5+
+- (2.32) Depth: 20/59 00:13:27 2684mN
1.Rxg7 Bxg7 2.Bxh6 Bg4 3.Bxg7+ Kxg7 4.Qh7+ Kf8 5.Qh6+ Kg8 6.Bh7+ Kh8 7.Bf5+ Kg8 8.Qh7+ Kf8 9.Qh8+ Ke7 10.Qf6+ Kf8 11.Bxg4 Qc6 12.Bxc8 Rxc8 13.h4 b6 14.Rd1 Qxf6 15.exf6 Rc6 16.c4 Rxc4 17.Rxd5 Kg8 18.h5 Rc1+ 19.Kh2 Rc6 20.Rd8+ Kh7 21.Kg3 Rxf6
+- (2.34) Depth: 21/61 00:24:12 4827mN
1.Rxg7 Bxg7 2.Bxh6 Bg4 3.Bxg7+ Kxg7 4.Qh7+ Kf8 5.Qh6+ Kg8 6.Bh7+ Kh8 7.Bf5+ Kg8 8.Qh7+ Kf8 9.Qh8+ Ke7 10.Qf6+ Kf8 11.Bxg4 Qc6 12.Bxc8 Rxc8 13.h4 b6 14.Rd1 Qxf6 15.exf6 Rc6 16.c4 Rxc4 17.Rxd5 Kg8 18.h5 Rc1+ 19.Kh2 Rc6 20.Rd8+ Kh7 21.Kg3 Rxf6
+- (2.34) Depth: 21/61 00:26:03 5189mN
1.Rxg7 Bxg7 2.Bxh6 Bg4 3.Bxg7+ Kxg7 4.Qh7+ Kf8 5.Qh6+ Kg8 6.Bh7+ Kh8 7.Bf5+ Kg8 8.Qh7+ Kf8 9.Qh8+ Ke7 10.Qf6+ Kf8 11.Bxg4 Qc6 12.Bxc8 Rxc8 13.h4 b6 14.Rd1 Qxf6 15.exf6 Rc6 16.c4 Rxc4 17.Rxd5 Kg8 18.h5 Rc1+ 19.Kh2 Rc6 20.Rg5+ Kh8 21.Rf5 Rc2
+- (2.46) Depth: 22/63 00:48:46 9789mN
1.Rxg7 Bxg7 2.Bxh6 Bg4 3.Bxg7+ Kxg7 4.Qh7+ Kf8 5.Qh6+ Kg8 6.Bh7+ Kh8 7.Bf5+ Kg8 8.Qh7+ Kf8 9.Qh8+ Ke7 10.Qf6+ Kf8 11.Bxg4 Qc6 12.Bxc8 Rxc8 13.h4 b6 14.Rd1 Qxf6 15.exf6 Rc6 16.c4 Rxc4 17.Rxd5 Kg8 18.h5 Rc1+ 19.Kh2 Rc6 20.Rg5+ Kh8 21.Rf5 Rc2
+- (2.46) Depth: 22/63 00:52:46 10580mN
mhalstern
Posts: 484
Joined: Wed Nov 18, 2009 1:09 am

Re: test position - rook sacrifice

Post by mhalstern »

New game
2r1rb1k/ppq2pp1/4b2p/3pP2Q/5B2/2PB2R1/P4PPP/1R4K1 w - - 0 1

Analysis by Deep Sjeng WC2008 x64:

1.Rb3 a6 2.Bd2 g6 3.Qf3 Be7 4.Bxh6 Qxe5
+/= (0.62) Depth: 6/17 00:00:00 37kN
1.Rb3
+/= (0.32 --) Depth: 7/17 00:00:00 54kN
1.Rb3 d4 2.cxd4 Bxb3 3.axb3 Red8 4.Be3 Bb4
= (0.21) Depth: 7/17 00:00:00 61kN
1.Be2 a6 2.Rb3 Qc6 3.Bg5 Bd7 4.Be3
+/= (0.50) Depth: 7/19 00:00:00 165kN
1.Bd2 a6 2.Rb3 Qc6 3.Rf3 Qa4 4.Bg5 Qxa2 5.Rxb7 Rxc3
+/= (0.56) Depth: 7/20 00:00:00 184kN
1.Bd2 a6 2.Rb3 Qc6 3.Rf3 Qa4 4.Bg5 Qxa2 5.Rxb7 Rxc3
+/= (0.56) Depth: 8/20 00:00:00 195kN
1.Bd2 a6 2.a4 Red8 3.Be2 d4 4.Qf3 Ba3 5.Rxb7 Qxe5
+/= (0.49) Depth: 9/22 00:00:00 436kN
1.Bd2 a6 2.a4 Red8 3.Be2 d4 4.Qf3 Qxe5 5.Rxb7 Bd5
+/= (0.42) Depth: 10/23 00:00:00 768kN
1.Bd2 a6 2.a4 Red8 3.Bc2 Rd7 4.Rd3 g6 5.Qh4 Qxe5 6.Bxh6 Bd6
+/= (0.36) Depth: 11/25 00:00:00 1845kN
1.Bb5 Re7 2.Qh4 Bf5 3.Bxh6 Kg8 4.Rd1 Rxe5 5.Bf4 Re4 6.Bxc7 Rxh4 7.Rxd5 Be6 8.Bd8 Bxd5 9.Bxh4
+/= (0.51) Depth: 11/26 00:00:00 3771kN
1.Bb5 Re7 2.Qh4 Bf5 3.Bxh6 Kg8 4.Qf6 Bg6 5.Rxg6 fxg6 6.Qxg6 Qb6 7.Qxb6 axb6 8.Bf4 Rxc3 9.Bd2 Rc2
+/= (0.65) Depth: 12/29 00:00:01 4872kN
1.Bb5
+/= (0.35 --) Depth: 13/37 00:00:02 8451kN
1.Bb5 Red8 2.Be3 a6 3.Be2 Re8 4.Bb6 Qc6 5.Bd4 Rc7 6.Bd3 Qa4 7.Rb2 Be7 8.f4 Rec8
+/= (0.28) Depth: 13/37 00:00:05 22955kN
1.Bb5 Red8 2.Be3 a6 3.Be2 Re8 4.Bb6 Qc6 5.Bd4 Rc7 6.Bd3 Qa4 7.Rb2 Be7 8.f4 Rec8
+/= (0.28) Depth: 13/37 00:00:05 23422kN
1.Bb5 Red8 2.Bg5 Qxe5 3.f4 Qc7 4.Bxd8 Rxd8 5.Qe5 Qxe5 6.fxe5 Bc5+ 7.Kh1 d4 8.Be2 dxc3 9.Rxc3 b6 10.Rbc1 Rd2 11.R3c2 Rxc2 12.Rxc2
= (0.16) Depth: 14/37 00:00:12 53002kN
1.Bd2 a6 2.Qh4 Qxe5 3.Rxb7 Rb8 4.Rb3 Bc5 5.Qf4 Qxf4 6.Bxf4 Rxb3 7.axb3 Bd7 8.Be3 Bd6 9.f4
= (0.23) Depth: 14/41 00:00:22 101mN
1.Bd2 a6 2.a4 Rcd8 3.a5 Rb8 4.Ra1 Rbc8 5.Re3 Kg8 6.Kh1 Bd7 7.Rb1 g6 8.Qf3 Rxe5 9.Rxe5 Qxe5 10.Rxb7
= (0.23) Depth: 15/41 00:00:25 115mN
1.Bd2 a6 2.a4 Qd7 3.a5 Rc5 4.Qh4 Be7 5.Qb4 Rc7 6.Qf4 Rg8 7.Rb6 Rc5 8.Qb4 Rc7 9.Qb2 Bc5 10.Rb3 d4 11.cxd4 Bxb3 12.dxc5
= (0.22) Depth: 16/42 00:00:45 205mN
1.Bd2 a6 2.a4 Qd7 3.Qf3 Be7 4.Rb4 Bxb4 5.Bxh6 Bf8 6.Bxg7+ Bxg7 7.Qh5+ Kg8 8.Qh7+ Kf8 9.Qxg7+ Ke7 10.Qf6+ Kf8 11.Bh7 Bg4 12.Qh6+ Ke7
+/= (0.30) Depth: 17/56 00:01:47 481mN
1.Bd2 a6 2.f4 g6 3.Qf3 Qd7 4.f5 Bxf5 5.Bxf5 Qxf5 6.Qxf5 gxf5 7.Rxb7 Rxe5 8.Kf1 f4 9.Bxf4 Rf5 10.Rf3 h5 11.Ke2 Bg7 12.Be3 Rxf3 13.Kxf3 Bxc3 14.Rxf7
+/= (0.29) Depth: 18/57 00:04:24 1177mN
1.Rxg7
+/= (0.60 !) Depth: 18/60 00:05:38 1503mN
1.Rxg7 Bxg7 2.Bxh6 Kg8 3.Bxg7 Kxg7 4.Qh7+ Kf8 5.Qh8+ Ke7 6.Qf6+ Kf8 7.Rb4 Qd8 8.Qh6+ Ke7 9.Rxb7+ Rc7 10.Qh4+ Kf8 11.Qxd8 Rxb7 12.Qg5 Rc8 13.Qc1 Rb6 14.h4 Bg4 15.Qa3+ Kg8 16.Qa4
+- (2.34) Depth: 18/60 00:06:02 1603mN
1.Rxg7
+- (2.64 !) Depth: 19/61 00:08:57 2364mN, tb=12
1.Rxg7 Bxg7 2.Bxh6 Kg8 3.Bxg7 Kxg7 4.Qh7+ Kf8 5.Qh8+ Ke7 6.Qf6+ Kf8 7.Rb4 d4 8.Rxd4 Qd8 9.Rxd8 Rcxd8 10.Bc2 Bxa2 11.Qh6+ Ke7 12.Qh4+ Kf8 13.c4 Bxc4 14.Qxc4 Rxe5 15.f4 Re1+ 16.Kf2 Re7 17.Qb4 Rd5 18.Qc3 Rh5
+- (2.77) Depth: 19/61 00:12:41 3367mN, tb=25
mhalstern
Posts: 484
Joined: Wed Nov 18, 2009 1:09 am

Re: test position - rook sacrifice

Post by mhalstern »

New game
2r1rb1k/ppq2pp1/4b2p/3pP2Q/5B2/2PB2R1/P4PPP/1R4K1 w - - 0 1

Analysis by Critter 0.80 64-bit:

1.Bd2 g6 2.Qh4 h5 3.Bg5 Bg7 4.Bf6
+/= (0.64) Depth: 6/8 00:00:00 15kN
1.Bd2 b6 2.Ba6 Rcd8 3.Bb5 g6 4.Qh4
+/= (0.51) Depth: 7/10 00:00:00 29kN
1.Bd2 b6 2.Ba6 Rcd8 3.Bb5 g6 4.Qh4
+/= (0.39 --) Depth: 8/12 00:00:00 80kN
1.Rd1 Qe7 2.Bb5 g6 3.Qe2 Red8 4.h3 Bf5
+/= (0.42) Depth: 8/12 00:00:00 93kN
1.Rd1 Qe7 2.Bb5 g6 3.Qe2 Red8 4.h3 Bf5 5.Qe3
+/= (0.37) Depth: 9/16 00:00:00 121kN
1.Bd2 Re7 2.Re1 g6 3.Qh4 h5 4.Bb5 Bf5 5.Bg5 Re6 6.Bf6+ Bg7 7.Bxg7+ Kxg7 8.Qxh5 Rxe5
+/= (0.44) Depth: 9/18 00:00:00 196kN
1.Bd2 Re7 2.Re1 g6 3.Qh4 h5 4.Bc2 Bg7 5.Bg5 Ree8 6.Bf6
+/= (0.55 !) Depth: 10/26 00:00:00 442kN
1.Bd2 a6 2.a4 Rb8 3.Bc2 g6 4.Qh4 Qc4 5.Qxc4 dxc4 6.Be3
+/= (0.44) Depth: 10/29 00:00:00 566kN
1.Bd2 a6 2.a4 Re7 3.a5 Bd7 4.Re3 g6 5.Qh4
+/= (0.41) Depth: 11/29 00:00:00 808kN
1.Bd2 a6 2.a4 Re7 3.Bc2 Rce8 4.Rd1 g6 5.Qh4 Qxe5 6.Bxh6 Bxh6 7.Qxh6+ Kg8 8.a5 Bf5 9.Bxf5 Qxf5
+/= (0.42) Depth: 12/29 00:00:00 1207kN
1.Bd2 a6 2.a4 Re7 3.Bc2 Rce8 4.Rd1 g6 5.Qh4 Qxe5 6.Bxh6 Bxh6 7.Qxh6+ Kg8 8.a5 Bf5 9.Bxf5 Qxf5
+/= (0.42) Depth: 13/29 00:00:00 1829kN
1.Bd2 a6 2.a4 Re7 3.Bc2 Rce8 4.Rd1 g6 5.Qh4 Qxe5 6.Bxh6 Bxh6 7.Qxh6+ Kg8 8.a5 Bf5 9.Bxf5 Qxf5
+/= (0.42) Depth: 14/30 00:00:00 2823kN
1.Bd2 Ra8 2.a4 Rac8 3.h3 Rb8 4.Re1 g6 5.Qh4 h5 6.Bb5 Be7 7.Qf4 g5 8.Qd4 Bc5
+/= (0.50) Depth: 15/39 00:00:02 14615kN
1.Bd2 a6 2.Bc2 Qb8 3.Be3 Rc4 4.Bd4 Qc7 5.Qe2 g6 6.Bd3 Rc6 7.Qd2 b5 8.Rf3 Bg7 9.h3
+/= (0.54) Depth: 16/40 00:00:08 46352kN
1.Bd2 a6 2.a4 Qd7 3.Qh4 Be7 4.Qd4 Bf8 5.h3 Qc7 6.Bc2 g6 7.a5 Bg7 8.f4 h5
+/= (0.59) Depth: 17/40 00:00:12 62439kN
1.Bd2 a6 2.a4 Qd7 3.Qh4 Be7 4.Qd4 Bf8 5.a5 Qc7 6.h3 Rb8 7.Ra1 Rbc8 8.Bc2 g6 9.Rb1 Bg7 10.Re3
+/= (0.50) Depth: 18/40 00:00:16 83309kN
1.Rxg7 Bxg7 2.Bxh6
+/- (0.71 !) Depth: 18/44 00:00:25 141mN
1.Rxg7 Bxg7 2.Bxh6
+/- (0.82 !) Depth: 18/44 00:00:25 142mN
1.Rxg7 Bxg7 2.Bxh6
+/- (1.00 !) Depth: 18/51 00:00:26 146mN
1.Rxg7 Bxg7 2.Bxh6
+/- (1.26 !) Depth: 18/51 00:00:26 150mN
1.Rxg7 Bxg7 2.Bxh6 f5 3.exf6 Bxh6 4.Qxh6+ Kg8 5.Qg6+ Kf8 6.Re1 Bg4 7.Rxe8+ Rxe8 8.Qxg4 Re1+ 9.Bf1 Rc1 10.Qg5 Rxc3 11.g4 Qd7 12.Bg2 Rc5 13.Qh6+ Kg8 14.Qg6+ Kf8 15.h4 Qf7 16.Qh6+ Kg8
+- (1.65 !) Depth: 18/51 00:00:28 156mN
1.Rxg7 Bxg7 2.Bxh6 f5 3.exf6 Bxh6 4.Qxh6+ Kg8 5.Re1 Bg4 6.Rxe8+ Rxe8 7.Qg5+ Kf8 8.Qxg4 Re1+ 9.Bf1 Rc1 10.Qg5 Rxc3 11.g4 Qd7 12.Bg2 Rc5 13.Qh6+ Kg8 14.Qg6+ Kf8 15.h4 Qf7 16.Qh6+ Kg8
+- (2.24 !) Depth: 18/52 00:00:30 168mN
1.Rxg7
+- (3.12 !) Depth: 18/89 00:00:38 217mN
1.Rxg7 Bxg7 2.Bxh6 Bg4 3.Bxg7+ Kxg7 4.Qh7+ Kf8 5.Qh6+ Kg8 6.Bh7+ Kh8 7.Bf5+ Kg8 8.Qh7+ Kf8 9.Qh8+ Ke7 10.Qf6+ Kf8 11.Bxg4 Qc6 12.Qh8+ Ke7 13.Qh4+ Kf8 14.Bxc8 Rxc8 15.Rb4 Ke8 16.h3 a6
+- (3.51) Depth: 18/89 00:01:21 475mN
1.Rxg7
+- (3.63 !) Depth: 19/89 00:01:34 559mN
1.Rxg7 Bxg7 2.Bxh6 Bg4 3.Bxg7+ Kxg7 4.Qh7+ Kf8 5.Qh6+ Kg8 6.Bh7+ Kh8 7.Bf5+ Kg8 8.Qh7+ Kf8 9.Qh8+ Ke7 10.Qf6+ Kf8 11.Bxg4 Qc6 12.Qh8+ Ke7 13.Qh4+ Kf8 14.Bxc8 Rxc8 15.Rb4 Ke8 16.h3 a5 17.Rf4 Qc5 18.Rg4 Kd7 19.Rg7 Rf8 20.Qg4+ Ke7 21.Qg3 Qc6 22.Qg5+ Ke8 23.Qe3 Qe6 24.a3 b6 25.Qf4 Kd7 26.h4
+- (3.64) Depth: 19/89 00:01:42 613mN
1.Rxg7 Bxg7 2.Bxh6 Bg4 3.Bxg7+ Kxg7 4.Qh7+ Kf8 5.Qh6+ Kg8 6.Bh7+ Kh8 7.Bf5+ Kg8 8.Qh7+ Kf8 9.Qh8+ Ke7 10.Qf6+ Kf8 11.Bxg4 Qc6 12.Qh8+ Ke7 13.Qh4+ Kf8 14.Bxc8 Rxc8 15.Rb4 Ke8 16.h3 a5 17.Rf4 Qc5 18.Rg4 Kd7 19.Rg7 Rf8 20.Qg4+ Ke7 21.Qg3 Qc6 22.Qg5+ Ke8 23.Qe3 Qe6 24.a3 b6 25.Qf4 Kd7 26.h4
+- (3.52 --) Depth: 20/89 00:01:51 677mN
1.Rxg7 Bxg7 2.Bxh6 Bg4 3.Bxg7+ Kxg7 4.Qh7+ Kf8 5.Qh6+ Kg8 6.Bh7+ Kh8 7.Bf5+ Kg8 8.Qh7+ Kf8 9.Qh8+ Ke7 10.Qf6+ Kf8 11.Bxg4 Qc6 12.Qh8+ Ke7 13.Qh4+ Kf8 14.Bxc8 Rxc8 15.Rb4 Ke8 16.h3 a5 17.Rf4 Qc5 18.Rg4 Kd7 19.Rg7 Rf8 20.Qg4+ Ke7 21.Qg3 Qc6 22.Qg5+ Ke8 23.Qe3 Qe6 24.a3 b6 25.Qf4 Kd7 26.h4
+- (3.41 --) Depth: 20/89 00:01:57 723mN
1.Rxg7
+- (3.76 !) Depth: 20/89 00:02:31 926mN
1.Rxg7 Bxg7 2.Bxh6 Bg4 3.Bxg7+ Kxg7 4.Qh7+ Kf8 5.Qh6+ Kg8 6.Bh7+ Kh8 7.Bf5+ Kg8 8.Qh7+ Kf8 9.Qh8+ Ke7 10.Qf6+ Kf8 11.Bxg4 Qc6 12.Qh8+ Ke7 13.Qh4+ Kf8 14.Bxc8 Qxc8
+- (3.55) Depth: 20/93 00:03:32 1304mN
1.Rxg7 Bxg7 2.Bxh6 Bg4 3.Bxg7+ Kxg7 4.Qh7+ Kf8 5.Qh6+ Kg8 6.Bh7+ Kh8 7.Bf5+ Kg8 8.Qh7+ Kf8 9.Qh8+ Ke7 10.Qf6+ Kf8 11.Bxg4 Qc6 12.Qh8+ Ke7 13.Qh4+ Kf8 14.Bxc8 Qxc8
+- (3.43 --) Depth: 21/93 00:04:10 1572mN
User avatar
meschle
Posts: 200
Joined: Tue Apr 01, 2008 11:53 pm

Re: test position - rook sacrifice

Post by meschle »

On my humble laptop winfinder finds it quickly

FEN: 2r1rb1k/ppq2pp1/4b2p/3pP2Q/5B2/2PB2R1/P4PPP/1R4K1 w - - 0 1

Rybka WinFinder v2.2.mp.x64:
4 00:00 5.952 190.464 +0.60 Bf4d2
5 00:00 15.028 139.897 +0.52 Bf4d2
5 00:00 28.416 142.637 +0.67 Bd3e2
6 00:00 35.844 146.232 +0.67 Bd3e2 Re8d8
7 00:00 85.666 180.870 +0.67 Bd3e2 Re8d8 Bf4e3
8 00:01 146.112 187.727 +0.60 Bd3e2 Re8d8 Bf4e3 Qc7a5
9 00:01 311.874 202.510 +0.45 Bd3e2 f7f6 Be2b5 Be6f7 Qh5f5
9 00:02 390.814 201.913 +0.60 Bf4d2 Rc8b8 Rb1e1 Qc7a5 Re1a1
10 00:03 720.200 209.096 +0.60 Bf4d2 a7a6 Qh5e2 g7g6 Qe2e3 Be6d7
10 00:04 968.164 215.381 +0.67 Qh5f3 Bf8e7 Bd3c2 Be7h4 Qf3d3 g7g6 Rg3f3
11 00:05 1.139.856 214.324 +0.60 Qh5f3 Bf8e7 Bd3c2 g7g6 Qf3e3 Be7c5 Qe3e2
12 00:09 2.006.314 218.746 +0.52 Qh5f3 Bf8e7 Bd3c2 g7g6 Qf3e3 Be7h4 Rg3f3 Be6g4
12 00:12 2.648.552 216.208 +0.60 Bf4d2 a7a6
13 00:21 4.626.884 219.277 +0.67 Bf4d2 a7a6 a2a4 Rc8d8 h2h3 Rd8b8 Rb1e1 Rb8d8 Qh5f3
14 00:42 9.064.854 221.273 +0.67 Bf4d2 a7a6 a2a4 Re8d8 Qh5e2 Bf8e7 Qe2e3 Rd8g8 Qe3f4 g7g5
14 00:59 9.064.854 221.273 +0.71 Rg3xg7
14 01:08 9.064.854 221.273 +1.95 Rg3xg7
14 01:14 16.363.418 224.987 +1.95 Rg3xg7 Bf8xg7 Bf4xh6 Kh8g8 Bh6xg7 Kg8xg7 Qh5h7+ Kg7f8 Qh7h8+ Kf8e7 Qh8f6+ Ke7f8 Rb1b4 d5d4
Regards Mark

Quad Q6600 3.0 Ghz, Vista 64bit, 4gb Ram
mhalstern
Posts: 484
Joined: Wed Nov 18, 2009 1:09 am

Re: test position - rook sacrifice

Post by mhalstern »

New game
2r1rb1k/ppq2pp1/4b2p/3pP2Q/5B2/2PB2R1/P4PPP/1R4K1 w - - 0 1

Analysis by Fire 1.31 x64:

1.Bd2 g6 2.Qh4 Kg8 3.Bxh6 Bxh6 4.Qxh6 Qxc3 5.Rxb7 Qxe5 6.Rxa7
+/= (0.33) Depth: 6 00:00:10 8kN
1.Bd2 g6 2.Qh4 Kg8 3.Bxh6 Bxh6 4.Qxh6 Qxc3 5.Rxb7 Qxe5 6.Rxa7
+/= (0.33) Depth: 6 00:00:10 8kN
1.Bd2 g6 2.Qh4 Kg8 3.Bxh6 Bxh6 4.Qxh6 Qxe5 5.Bxg6 fxg6 6.Rxg6+ Kf7 7.Qh7+ Kf8 8.Rxb7 Rxc3 9.Rxa7
= (0.25 --) Depth: 7 00:00:10 21kN
1.Bd2 g6 2.Qh4 Kg8 3.Bxh6 Bxh6 4.Qxh6 Qxe5 5.Bxg6 fxg6 6.Rxg6+ Kf7 7.Qh7+ Kf8 8.Rxb7 Rxc3 9.Rxa7
= (0.17 --) Depth: 7 00:00:10 29kN
1.Qd1 Bc5 2.Qh5 Bf8
= (0.21) Depth: 7 00:00:10 49kN
1.Qd1 Bc5 2.Qh5 Bf8
= (0.21) Depth: 7 00:00:10 50kN
1.Bd2 a6 2.h3 b5 3.a4 g6
+/= (0.29 !) Depth: 8 00:00:10 94kN
1.Bd2 a6 2.h3 b5 3.a4 g6
+/= (0.29 !) Depth: 8 00:00:10 94kN
1.Bd2 g6 2.Qh4 Kg8 3.Bxh6 Bxh6 4.Qxh6 Qxe5 5.Bxg6 fxg6 6.Rxg6+ Kf7 7.Qh7+ Kf8 8.Rxb7 Rxc3 9.Rxa7
+/= (0.36) Depth: 8 00:00:10 99kN
1.Bd2 g6 2.Qh4 Kg8 3.Bxh6 Bxh6 4.Qxh6 Qxe5 5.Bxg6 fxg6 6.Rxg6+ Kf7 7.Qh7+ Kf8 8.Rxb7 Rxc3 9.Rxa7
+/= (0.36) Depth: 8 00:00:10 104kN
1.Bd2 g6 2.Qh4 Kg8 3.Bxh6 Bxh6 4.Qxh6 Qxe5 5.Bxg6 fxg6 6.Rxg6+ Kf7 7.Qh7+ Kf8 8.Rxb7 Rxc3 9.Rxa7
+/= (0.28 --) Depth: 9 00:00:10 130kN
1.Bd2 g6 2.Qh4 h5 3.Bg5 Be7 4.Bf6+ Kg8 5.h3 b6
= (0.20 --) Depth: 9 00:00:10 240kN
1.Bd2 Rcd8 2.Re1 Rc8 3.a4 Qa5 4.Rb1 d4 5.Rxb7 dxc3
= (0.21) Depth: 9 00:00:10 304kN
1.Bd2 Rcd8 2.Re1 Rc8 3.a4 Qa5 4.Rb1 d4 5.Rxb7 dxc3
= (0.21) Depth: 9 00:00:10 307kN
1.Bd2 Rcd8 2.Re1 Rc8 3.a4 a6 4.Qf3 Be7 5.h3 g6
= (0.22) Depth: 10 00:00:10 336kN
1.Bd2 Rcd8 2.Re1 Rc8 3.a4 a6 4.Qf3 Be7 5.h3 g6
= (0.22) Depth: 10 00:00:10 377kN
1.Bd2 Rcd8 2.a4 d4 3.Bb5 Re7 4.cxd4 Qc2 5.Qd1 Qxd1+ 6.Rxd1 Rxd4 7.Rd3 Red7 8.Be3
= (0.18) Depth: 11 00:00:10 742kN
1.Qh4 Be7 2.Qh5 Bf8
= (0.19) Depth: 11 00:00:10 830kN
1.Qh4 Be7 2.Qh5 Bf8
= (0.19) Depth: 11 00:00:10 896kN
1.Bd2 a6 2.a4 Rcd8 3.Re1 Rd7 4.Qf3 Be7 5.Qe3 Bc5 6.Qf4 d4 7.Qe4
= (0.13) Depth: 12 00:00:10 1550kN
1.Bd2 a6 2.a4 Rcd8 3.Re1 Rd7 4.Qf3 Be7 5.Qe3 Bc5 6.Qf4 d4 7.Qe4
= (0.13) Depth: 12 00:00:11 2048kN
1.Bd2 a6 2.a4 Rcd8 3.Re1 Rd7 4.Qf3 Be7 5.Qe3 Bc5 6.Qf4 d4 7.Qe4
= (0.13) Depth: 13 00:00:11 2268kN
1.Bb5
= (0.21 !) Depth: 13 00:00:11 2577kN
1.Bb5
= (0.21 !) Depth: 13 00:00:11 2577kN
1.Bb5
+/= (0.29 !) Depth: 13 00:00:11 2632kN
1.Bb5
+/= (0.29 !) Depth: 13 00:00:11 2632kN
1.Bb5 Red8 2.Be3 a6 3.Be2 b5 4.a4 bxa4 5.Bb6 Qb7 6.Bd3 Re8 7.Bc5
+/= (0.27) Depth: 13 00:00:11 2724kN
1.Bb5 Red8 2.Be3 a6 3.Be2 b5 4.a4 bxa4 5.Bb6 Qb7 6.Bd3 Re8 7.Bc5
+/= (0.27) Depth: 13 00:00:11 2823kN
1.Bb5 Red8 2.Be3 a6 3.Be2 Rd7 4.Bb6 Qc6 5.Bd4 Qa4 6.Rb2 Bc5 7.Bd1 Qc4 8.Be2
= (0.24) Depth: 14 00:00:11 3048kN
1.Bb5 Red8 2.Be3 a6 3.Be2 Rd7 4.Bb6 Qc6 5.Bd4 Qa4 6.Rb2 Bc5 7.Bd1 Qc4 8.Be2
= (0.24) Depth: 14 00:00:11 3644kN
1.Bb5 Red8 2.Be3 a6 3.Be2 Rd7 4.Bb6 Qc6 5.Bd4 Qa4 6.Rb2 Bc5 7.Bd1 Qc4 8.Be2
= (0.16 --) Depth: 15 00:00:12 11421kN
1.Bb5 Red8 2.Be3 a6 3.Be2 Rd7 4.Bb6 Qc6 5.Qh4 Be7 6.Qd4 Bg5 7.Rd1 Bf5 8.h3 Re7
= (0.18) Depth: 15 00:00:12 11769kN
1.Bb5 Red8 2.Be3 a6 3.Be2 Rd7 4.Bb6 Qc6 5.Qh4 Be7 6.Qd4 Bg5 7.Rd1 Bf5 8.h3 Re7
= (0.18) Depth: 15 00:00:12 11782kN
1.Bd2 a6 2.a4 Rcd8 3.h3 Rd7 4.Re1 Qc5 5.Qh4 Be7 6.Qd4 Rc8 7.Rb1 Qxd4 8.cxd4 Rdc7 9.a5
= (0.17) Depth: 16 00:00:13 17809kN, tb=10
1.Bd2 a6 2.a4 Rcd8 3.h3 Rd7 4.Re1 Qc5 5.Qh4 Be7 6.Qd4 Rc8 7.Rb1 Qxd4 8.cxd4 Rdc7 9.a5
= (0.17) Depth: 16 00:00:13 20142kN, tb=10
1.Bd2 a6 2.a4 Rcd8 3.h3 Rd7 4.Re1 Qc5 5.Qh4 Be7 6.Qd4 Rc8 7.Rb1 Qxd4 8.cxd4 Rdc7 9.a5 Bd7 10.Be2 Bf5
= (0.25 !) Depth: 17 00:00:18 55226kN, tb=10
1.Bd2 a6 2.a4 Rcd8 3.h3 Rd7 4.Re1 Qc5 5.Qh4 Be7 6.Qd4 Rc8 7.Rb1 Qxd4 8.cxd4 Rdc7 9.a5 Bd7 10.Be2 Bf5
= (0.25 !) Depth: 17 00:00:18 55226kN, tb=10
1.Bd2 Rb8 2.Re1 b5 3.Bc2 Qc6 4.Qf3 g6 5.Qe3 Kg8 6.h3 a6 7.Qd3 Qc4 8.Bb3 Qxd3 9.Rxd3 Rbd8 10.Be3 Rc8 11.Red1
= (0.21) Depth: 17 00:00:26 108mN, tb=10
1.Bd2 Rb8 2.Re1 b5 3.Bc2 Qc6 4.Qf3 g6 5.Qe3 Kg8 6.h3 a6 7.Qd3 Qc4 8.Bb3 Qxd3 9.Rxd3 Rbd8 10.Be3 Rc8 11.Red1
= (0.21) Depth: 17 00:00:28 120mN, tb=10
1.Bd2 Rb8 2.Re1 b5 3.Bc2 Qc6 4.Qf3 g6 5.Qe3 Kg8 6.h3 a6 7.Qd3 Qc4 8.Bb3 Qxd3 9.Rxd3 Rbd8 10.Be3 Rc8 11.Red1
+/= (0.29 !) Depth: 18 00:00:28 124mN, tb=10
1.Bd2 Rb8 2.Re1 b5 3.Bc2 Qc6 4.Qf3 g6 5.Qe3 Kg8 6.h3 a6 7.Qd3 Qc4 8.Bb3 Qxd3 9.Rxd3 Rbd8 10.Be3 Rc8 11.Red1
+/= (0.29 !) Depth: 18 00:00:28 124mN, tb=10
1.Bd2 a6 2.a4 Rb8 3.Re1 Qd7 4.Qh4 Be7 5.Qd4 Qc7 6.Rb1 Rbd8 7.Qe3 Bc5 8.Qf4 Rc8 9.Bc2 Bf8 10.Qh4 Be7 11.Qd4 Bc5 12.Qf4
= (0.25) Depth: 18 00:00:38 189mN, tb=10
1.Bd2 Rcd8 2.Re1 a6 3.Qh4 Be7 4.Qf4 Bc5 5.h3 d4 6.Qe4 g6
= (0.25) Depth: 18 00:00:39 196mN, tb=10
1.Bd2 a6 2.a4 Qd7 3.Qh4 Be7 4.Qd4 Bc5 5.Qf4 Bf8 6.a5 Qc7 7.Bc2 g6 8.Qd4 Kg8 9.Bf4 Qc4 10.Ba4 Re7 11.h3 Bf5
+/= (0.28) Depth: 19 00:00:41 213mN, tb=10
1.Bd2 a6 2.a4 Qd7 3.Qh4 Be7 4.Qd4 Bc5 5.Qf4 Bf8 6.a5 Qc7 7.Bc2 g6 8.Qd4 Kg8 9.Bf4 Qc4 10.Ba4 Re7 11.h3 Bf5
+/= (0.28) Depth: 19 00:00:42 223mN, tb=11
1.Bd2 a6 2.a4 Qd7 3.h4 Qc7 4.Qe2 Be7 5.Qe3 Rg8 6.Qd4 Bc5 7.Qf4 Be7 8.h5 Qd7 9.a5 Rc7 10.Qd4 Bc5 11.Qh4 Bf5
+/= (0.30) Depth: 20 00:00:48 263mN, tb=20
1.Rxg7
+/= (0.36 !) Depth: 20 00:00:51 282mN, tb=142
1.Rxg7
+/= (0.36 !) Depth: 20 00:00:51 282mN, tb=142
1.Rxg7
+/= (0.44 !) Depth: 20 00:00:51 286mN, tb=606
1.Rxg7
+/= (0.44 !) Depth: 20 00:00:51 286mN, tb=606
1.Rxg7
+/= (0.56 !) Depth: 20 00:00:52 291mN, tb=708
1.Rxg7
+/= (0.56 !) Depth: 20 00:00:52 291mN, tb=708
1.Rxg7
+/- (0.74 !) Depth: 20 00:00:54 304mN, tb=1585
1.Rxg7
+/- (0.74 !) Depth: 20 00:00:54 304mN, tb=1585
1.Rxg7
+/- (1.01 !) Depth: 20 00:00:56 322mN, tb=4721
1.Rxg7
+/- (1.01 !) Depth: 20 00:00:56 322mN, tb=4721
1.Rxg7
+- (1.41 !) Depth: 20 00:01:01 353mN, tb=8270
1.Rxg7
+- (1.41 !) Depth: 20 00:01:01 353mN, tb=8270
1.Rxg7
+- (2.01 !) Depth: 20 00:01:08 404mN, tb=8827
1.Rxg7
+- (2.01 !) Depth: 20 00:01:08 404mN, tb=8827
1.Rxg7 Bxg7 2.Bxh6 Bg4 3.Bxg7+ Kxg7 4.Qh7+ Kf8 5.Qh8+ Ke7 6.Qh4+ Kf8 7.Qh6+ Kg8 8.Bh7+ Kh8 9.Bf5+ Kg8 10.Qh7+ Kf8 11.Qh8+ Ke7 12.Qf6+ Kf8 13.Bxg4 Qc6 14.Qh8+ Ke7 15.Qh4+ Kf8 16.Bxc8 Rxc8 17.Rb4 Ke8 18.h3 b5 19.Rg4 Qe6 20.Rg5 a5
+- (2.41) Depth: 20 00:02:06 841mN, tb=18635
1.Rxg7 Bxg7 2.Bxh6 Bg4 3.Bxg7+ Kxg7 4.Qh7+ Kf8 5.Qh8+ Ke7 6.Qh4+ Kf8 7.Qh6+ Kg8 8.Bh7+ Kh8 9.Bf5+ Kg8 10.Qh7+ Kf8 11.Qh8+ Ke7 12.Qf6+ Kf8 13.Bxg4 Qc6 14.Qh8+ Ke7 15.Qh4+ Kf8 16.Bxc8 Rxc8 17.Rb4 Ke8 18.h3 b5 19.Rg4 Qe6 20.Rg5 a5
+- (2.41) Depth: 20 00:02:06 842mN, tb=18635
1.Rxg7 Bxg7 2.Bxh6 Bg4 3.Bxg7+ Kxg7 4.Qh7+ Kf8 5.Qh8+ Ke7 6.Qh4+ Kf8 7.Qh6+ Kg8 8.Bh7+ Kh8 9.Bf5+ Kg8 10.Qh7+ Kf8 11.Qh8+ Ke7 12.Qf6+ Kf8 13.Bxg4 Rb8 14.e6 Kg8 15.Qg5+ Kf8 16.Qh6+ Kg8 17.Bf5 fxe6 18.Bxe6+
+- (2.49 !) Depth: 21 00:02:16 914mN, tb=19800
1.Rxg7 Bxg7 2.Bxh6 Bg4 3.Bxg7+ Kxg7 4.Qh7+ Kf8 5.Qh8+ Ke7 6.Qh4+ Kf8 7.Qh6+ Kg8 8.Bh7+ Kh8 9.Bf5+ Kg8 10.Qh7+ Kf8 11.Qh8+ Ke7 12.Qf6+ Kf8 13.Bxg4 Rb8 14.e6 Kg8 15.Qg5+ Kf8 16.Qh6+ Kg8 17.Bf5 fxe6 18.Bxe6+
+- (2.49 !) Depth: 21 00:02:16 914mN, tb=19800
1.Rxg7 Bxg7 2.Bxh6 Bg4 3.Bxg7+ Kxg7 4.Qh7+ Kf8 5.Qh8+ Ke7 6.Qh4+ Kf8 7.Qh6+ Kg8 8.Bh7+ Kh8 9.Bf5+ Kg8 10.Qh7+ Kf8 11.Qh8+ Ke7 12.Qf6+ Kf8 13.Bxg4 Qc6 14.Qh8+ Ke7 15.Qh4+ Kf8 16.Bxc8 Rxc8 17.Rb4 Ke8 18.h3 a5 19.Rf4 Rc7 20.Rg4 Rc8 21.Rg8+ Kd7 22.Rg7 Rf8 23.Qd4 Qc4 24.Qa7 Ke6
+- (2.57 !) Depth: 21 00:02:22 959mN, tb=20315
1.Rxg7 Bxg7 2.Bxh6 Bg4 3.Bxg7+ Kxg7 4.Qh7+ Kf8 5.Qh8+ Ke7 6.Qh4+ Kf8 7.Qh6+ Kg8 8.Bh7+ Kh8 9.Bf5+ Kg8 10.Qh7+ Kf8 11.Qh8+ Ke7 12.Qf6+ Kf8 13.Bxg4 Qc6 14.Qh8+ Ke7 15.Qh4+ Kf8 16.Bxc8 Rxc8 17.Rb4 Ke8 18.h3 a5 19.Rf4 Rc7 20.Rg4 Rc8 21.Rg8+ Kd7 22.Rg7 Rf8 23.Qd4 Qc4 24.Qa7 Ke6
+- (2.57 !) Depth: 21 00:02:22 959mN, tb=20315
1.Rxg7 Bxg7 2.Bxh6 Bg4 3.Bxg7+ Kxg7 4.Qh7+ Kf8 5.Qh8+ Ke7 6.Qh4+ Kf8 7.Qh6+ Kg8 8.Bh7+ Kh8 9.Bf5+ Kg8 10.Qh7+ Kf8 11.Qh8+ Ke7 12.Qf6+ Kf8 13.Bxg4 Qc6 14.Qh8+ Ke7 15.Qh4+ Kf8 16.Bxc8 Rxc8 17.Rb4 Re8 18.h3 a6 19.Rg4 Qb6 20.Qh7 Ke7 21.Rg7 Qe6 22.Qh5 Rc8 23.Qg5+ Kd7 24.Qe3 Ke8 25.h4 Qf5 26.Qb6 Kf8
+- (2.59) Depth: 21 00:02:31 1024mN, tb=20930
1.Rxg7 Bxg7 2.Bxh6 Bg4 3.Bxg7+ Kxg7 4.Qh7+ Kf8 5.Qh8+ Ke7 6.Qh4+ Kf8 7.Qh6+ Kg8 8.Bh7+ Kh8 9.Bf5+ Kg8 10.Qh7+ Kf8 11.Qh8+ Ke7 12.Qf6+ Kf8 13.Bxg4 Qc6 14.Qh8+ Ke7 15.Qh4+ Kf8 16.Bxc8 Rxc8 17.Rb4 Re8 18.h3 a6 19.Rg4 Qb6 20.Qh7 Ke7 21.Rg7 Qe6 22.Qh5 Rc8 23.Qg5+ Kd7 24.Qe3 Ke8 25.h4 Qf5 26.Qb6 Kf8
+- (2.59) Depth: 21 00:02:32 1028mN, tb=20930