Author: Uri Blass
Date: 10:40:09 10/28/05
I gave latest movei to analyze that position for more than half an hour Here is the analysis: The drop in score suggest that the solution may not be winning or in other words not correct because it is not the only not losing move 1 67 0 76 d4d3 g1h1 2 37 0 161 d4d3 2 -8 1 329 d4d3 g1h1 a7b8 d6d3 2 -8 1 602 d4d3 g1h1 a7b8 d6d3 3 -8 1 851 d4d3 g1h1 a7b8 d6d3 3 -7 1 1452 e8f8 3 0 1 1786 e8f8 d6e7 f8f7 e7e5 g7h7 d7b5 d4d3 g1h1 3 0 1 2452 e8f8 d6e7 f8f7 e7e5 g7h7 d7b5 d4d3 g1h1 4 -19 3 5353 e8f8 f1b1 b5b4 d6e5 f8f6 4 -19 3 8562 e8f8 f1b1 b5b4 d6e5 f8f6 5 0 4 13534 e8f8 f1b1 b5b4 d6e7 f8f7 e7e5 g7g8 e5e8 g8g7 e8e5 5 0 6 18883 e8f8 f1b1 b5b4 d6e7 f8f7 e7e5 g7g8 e5e8 g8g7 e8e5 6 -8 14 46877 e8f8 d6e5 g7h6 e5e7 d4d3 g1h1 f8c8 f1d1 6 -8 20 66593 e8f8 d6e5 g7h6 e5e7 d4d3 g1h1 f8c8 f1d1 7 -24 40 141454 e8f8 d7b5 f8f6 d6e5 a7a1 b5d3 a1a4 7 -24 61 215546 e8f8 d7b5 f8f6 d6e5 a7a1 b5d3 a1a4 8 0 96 338418 e8f8 d6e7 f8f7 e7e5 g7h7 d7b5 d4d3 g1h1 a7f2 f1b1 d3d2 8 0 126 453278 e8f8 d6e7 f8f7 e7e5 g7h7 d7b5 d4d3 g1h1 a7f2 f1b1 d3d2 9 -12 215 768891 e8f8 f1b1 b5b4 d7e6 f8f6 e4e5 f6f4 g1h1 a7a3 d6e7 g7h6 9 -12 501 1808387 e8f8 f1b1 b5b4 d7e6 f8f6 e4e5 f6f4 g1h1 a7a3 d6e7 g7h6 10 -12 692 2500316 e8f8 f1b1 b5b4 d7e6 f8f6 e4e5 f6f4 g1h1 a7a3 d6e7 g7h6 10 -11 1206 4388839 e8g8 10 0 1575 5756862 e8g8 h2h4 d4d3 g1h1 g7h7 d7b5 g8c8 b5d7 c8c1 d6e7 h7h8 e7f8 h8h7 f8e7 10 0 1673 6105573 e8g8 h2h4 d4d3 g1h1 g7h7 d7b5 g8c8 b5d7 c8c1 d6e7 h7h8 e7f8 h8h7 f8e7 11 10 4081 14624799 e8g8 f1b1 g7h7 b1f1 b5b4 f1d1 g8g7 d7e8 b4b3 d1b1 d4d3 g1h 1 11 10 5456 19449527 e8g8 f1b1 g7h7 b1f1 b5b4 f1d1 g8g7 d7e8 b4b3 d1b1 d4d3 g1h 1 12 4 7823 27882489 e8g8 d7e6 g8f8 f1b1 f8f6 d6d7 a7d7 e6d7 d4d3 e4e5 f6f7 e5e6 f7e7 b1b2 12 4 13361 49577285 e8g8 d7e6 g8f8 f1b1 f8f6 d6d7 a7d7 e6d7 d4d3 e4e5 f6f7 e5e 6 f7e7 b1b2 13 4 21101 77803279 e8g8 h2h4 g7h7 d7b5 g8c8 b5d7 a7c5 d6e6 c8g8 f1e1 d4d3 g1h 1 c5f2 e6f7 g8g7 13 5 24170 89627196 e8f8 13 15 27446 102060755 e8f8 d6e5 g7h6 e5e7 f8g8 e7d6 h6h7 d7b5 a7b8 d6c5 g8c8 c 5e7 h7h6 b5d3 b8f4 13 16 32221 120212412 d4d3 13 45 32657 121834845 d4d3 13 161 38781 142945845 d4d3 g1h1 a7f2 f1d1 f2c2 d6d4 g7g8 d4g1 e8e5 d1f1 g8f8 f1b1 f8e7 d7h3 a8b7 13 161 39731 146995699 d4d3 g1h1 a7f2 f1d1 f2c2 d6d4 g7g8 d4g1 e8e5 d1f1 g8f8 f1b1 f8e7 d7h3 a8b7 14 170 47493 174666309 d4d3 g1h1 a7f2 f1d1 f2c2 d6d4 g7g8 d4g1 e8e5 g1f1 a8b7 f1g1 b5b4 d1b1 b4b3 g1f1 14 170 54843 205282365 d4d3 g1h1 a7f2 f1d1 f2c2 d6d4 g7g8 d4g1 e8e5 g1f1 a8b7 f1g1 b5b4 d1b1 b4b3 g1f1 15 140 92811 328647208 d4d3 15 70 151123 510978453 d4d3 15 68 192039 646608702 d4d3 g1h1 a7f2 f1d1 f2c2 d1g1 b2b1q d7e8 b1g1 h1g1 c2d1 g1f2 d1d2 f2g3 d2g5 g3f2 d3d2 h2h4 g5h4 g2g3 h4f6 d6d7 g7f8 f2e2 main line is the following line: [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "New game"] [Black "?"] [Result "*"] [SetUp "1"] [FEN "b3r3/q2B2k1/3Q2p1/1p5p/3pP3/5P2/1p4PP/5RK1 b - - 0 1"] [PlyCount "8"] 1... d3+ 2. Kh1 Qf2 3. Rd1 Qc2 4. Rg1 b1=Q 5. Bxe8 * Some analysis by yace after the first moves of the main line(it seems by going backward that 3...Qc2 may not be the best move but I did not analyze it for a long time so I am not sure about nothing) New game, [D]b3B3/6k1/3Q2p1/1p5p/4P3/3p1P2/2q3PP/1q4RK b - - 0 1 Analysis by Yace 0.99.87: 5...Qxg1+ 6.Kxg1 = (0.18) Depth: 1 00:00:00 5...Bxe4 6.fxe4 -+ (-2.34) Depth: 1 00:00:00 5...Bxe4 6.fxe4 -+ (-2.34) Depth: 1 00:00:00 5...Bxe4 6.Qd7+ Kg8 7.Rxb1 µ (-1.26) Depth: 2 00:00:00 5...Bxe4 6.Qd7+ Kg8 µ (-1.26) Depth: 2 00:00:00 5...Qbb2 6.Qxg6+ Kh8 -+ (-2.07) Depth: 2 00:00:00 5...Qbb2 6.Qxg6+ Kf8 -+ (-2.12) Depth: 2 00:00:00 5...Qbb2 6.Qxg6+ Kf8 -+ (-2.12) Depth: 2 00:00:00 5...Qbb2 6.Qxg6+ Kh8 7.Qxh5+ Kg7 8.Bxb5 Bxe4 9.fxe4 µ (-1.31) Depth: 3 00:00:00 5...Qbb2 6.Qxg6+ Kh8 7.Qxh5+ Kg8 8.Qg5+ Kh8 µ (-1.23) Depth: 3 00:00:00 5...Bxe4 6.fxe4 µ (-1.24) Depth: 3 00:00:00 5...Bxe4 6.fxe4 Qbb2 7.Bxg6 µ (-1.11) Depth: 3 00:00:00 5...Qbb2 6.Qxg6+ Kh8 7.Qxh5+ Kg8 8.Qg5+ Kh8 µ (-1.23) Depth: 3 00:00:00 5...Qbb3 6.Rb1 µ (-1.24) Depth: 3 00:00:00 5...Qbb3 6.Qxg6+ Kf8 7.Qxh5 -+ (-2.07) Depth: 3 00:00:00 5...Qba2 6.Rb1 -+ (-2.08) Depth: 3 00:00:00 5...Qba2 6.Qxg6+ Kf8 7.Qxh5 -+ (-2.11) Depth: 3 00:00:00 5...Qba2 6.Qxg6+ Kf8 7.Qxh5 -+ (-2.11) Depth: 3 00:00:00 5...Qba2 6.Qxg6+ Kf8 7.Bxb5 h4 -+ (-2.28) Depth: 4 00:00:00 5...Qbb3 6.Qxg6+ Kf8 7.e5 d2 8.Qxc2 Qxc2 9.Bxh5 -+ (-2.29) Depth: 4 00:00:00 5...Qbb3 6.Qxd3 Qcxd3 7.g3 -+ (-2.51) Depth: 4 00:00:00 5...Qbb3 6.Qxg6+ Kf8 7.Qxh5 d2 8.Qh8+ Ke7 -+ (-2.66) Depth: 4 00:00:00 5...Qbb3 6.Qxg6+ Kf8 7.Qxh5 d2 8.Qh8+ Ke7 -+ (-2.66) Depth: 4 00:00:00 5...Qbb3 6.Qe7+ Qf7 7.Bxf7 Kh8 -+ (-2.26) Depth: 5 00:00:00 5...Qbb3 6.Qe7+ Kg8 7.Ra1 d2 8.h4 -+ (-2.26) Depth: 5 00:00:00 5...Qbb3 6.Qe7+ Kg8 7.Ra1 d2 8.h4 -+ (-2.26) Depth: 5 00:00:00 5...Qbb3 6.Qe7+ Kg8 7.Bxg6 Bc6 8.Qh7+ Kf8 9.Bxh5 -+ (-2.05) Depth: 6/25 00:00:01 322kN 5...Qba2 6.Qxg6+ Kf8 7.Bxb5 d2 8.Qh6+ Ke7 9.Qg5+ Kd6 10.Rc1 -+ (-2.06) Depth: 6/25 00:00:01 415kN 5...Qba2 6.Qe7+ Kg8 7.Bxg6 b4 8.Qh7+ Kf8 9.Bxh5 -+ (-2.10) Depth: 6/25 00:00:01 470kN 5...Qba2 6.Qe7+ Kg8 7.Bxg6 b4 8.Qh7+ Kf8 9.Bxh5 -+ (-2.10) Depth: 6/25 00:00:01 873kN 5...Qba2 6.Qxg6+ Kf8 7.Bxb5 d2 8.Qd6+ Kg7 9.Qe5+ Kf7 10.Qxh5+ Kf8 11.Qh8+ Ke7 12.Qe8+ Kf6 13.Be2 -+ (-1.70) Depth: 7/30 00:00:01 1064kN 5...Qba2 6.Qxg6+ Kf8 7.Bxb5 Qc3 8.Qe8+ Kg7 9.Qd7+ Qf7 10.Qxd3 Qe5 µ (-1.05) Depth: 7/30 00:00:01 1387kN 5...Qbb3 6.Qe7+ Kg8 7.Qh7+ Kxh7 8.Bxb5 µ (-1.06) Depth: 7/30 00:00:01 1600kN 5...Qbb3 6.Qe7+ Kg8 7.Bxg6 Bc6 8.Bh7+ Kh8 9.Bg6 Qg8 10.Bxh5 -+ (-2.10) Depth: 7/30 00:00:01 2224kN 5...Qbb3 6.Qe7+ Kg8 7.Bxg6 Bc6 8.Bh7+ Kh8 9.Bg6 Qg8 10.Bxh5 -+ (-2.10) Depth: 7/32 00:00:03 3551kN 5...Qbb3 6.Qe7+ Kg8 7.Bxg6 Qba2 8.Qg5 Qd2 9.Qd8+ Kg7 10.Bxh5 -+ (-1.96) Depth: 8/32 00:00:04 5225kN 5...Qbb3 6.Qe7+ Kg8 7.Bxg6 Qba2 8.Qg5 Qd2 9.Qd8+ Kg7 10.Bxh5 -+ (-1.96) Depth: 8/36 00:00:10 12407kN 5...Qbb3 6.Qe7+ Kg8 7.Bxg6 Qba2 8.Bxh5 Bxe4 9.fxe4 Qf7 10.Bxf7+ Kg7 -+ (-1.56) Depth: 9/36 00:00:11 13148kN 5...Qbb3 6.Qe7+ Kg8 7.Qd8 Qa3 8.Bc6+ Qf8 9.Qd5+ Kg7 10.Bxa8 d2 11.Qd4+ Qf6 12.e5 Qe6 µ (-1.39) Depth: 9/36 00:00:15 18188kN 5...Qbb3 6.Qe7+ Kg8 7.Qd8 Qa3 8.Bc6+ Qf8 9.Qd5+ Kg7 10.Bxa8 d2 11.Qd4+ Qf6 12.e5 Qe6 µ (-1.39) Depth: 9/41 00:00:35 42473kN 5...Qbb3 6.Qe7+ Kg8 7.Bxg6 Qcc3 8.e5 Qxe5 9.Qxe5 d2 10.Bxh5 Kf8 11.Qe8+ Kg7 µ (-0.99) Depth: 10/41 00:00:41 49753kN 5...Qbb3 6.Qe7+ Kg8 7.Bxg6 Qcc3 8.e5 Bc6 9.Qd8+ Kg7 10.Qf6+ Kg8 11.Qd8+ Kg7 12.Qf6+ Kg8 13.Qd8+ = (0.00) Depth: 10/41 00:00:46 56086kN 5...Qba2 6.Qxg6+ Kf8 7.Bxb5 Qc5 8.Bxd3 = (-0.01) Depth: 10/41 00:00:59 72016kN 5...Qba2 6.Qxg6+ Kf8 7.Bxb5 Qc5 8.Qf6+ Qf7 9.Qd8+ Kg7 10.Bxd3 Qff8 11.Qd7+ Kf6 12.Rd1 Bc6 µ (-1.01) Depth: 10/41 00:01:13 88356kN 5...Qba2 6.Qxg6+ Kf8 7.Bxb5 Qc5 8.Qf6+ Qf7 9.Qd8+ Kg7 10.Bxd3 Qff8 11.Qd7+ Kf6 12.Rd1 Bc6 µ (-1.01) Depth: 10/46 00:02:34 182372kN 5...Qba2 6.Qe7+ Kg8 7.Bxg6 Qc6 8.Bh7+ Kh8 9.Bf5 Qh6 10.Qe5+ Kg8 11.Ra1 d2 12.Qe8+ Kg7 13.Qe7+ Qf7 14.Qe5+ Qhf6 15.Qg3+ Qg5 16.Qxg5+ Kf8 ³ (-0.61) Depth: 11/46 00:03:27 242335kN 5...Qba2 6.Qe7+ Kg8 7.Bxg6 Qcc4 8.Bh7+ Kh8 9.Bf5 Qf7 10.Qe5+ Kg8 11.Rc1 Bc6 12.Qg3+ Kh8 13.Qe5+ Qg7 14.Qb8+ Qag8 15.Qxg8+ Kxg8 ³ (-0.36) Depth: 11/46 00:04:06 289643kN 5...Qba2 6.Qe7+ Kg8 7.Bxg6 Qcc4 8.Bh7+ Kh8 9.Bf5 Qf7 10.Qe5+ Kg8 11.Rc1 Bc6 12.Qg3+ Kh8 13.Qe5+ Qg7 14.Qb8+ Qag8 15.Qxg8+ Kxg8 ³ (-0.36) Depth: 11/49 00:07:56 553925kN (, 28.10.2005)
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