Author: CrayBlitz
Date: 08:35:12 05/07/05
Go up one level in this thread
>>>[D]2rq1rk1/p3bppp/bpP5/8/8/1N1n2P1/PB2RPBP/R2Q2K1 b - - 4 20 >>> >>>Ok, 20..Cg5?!. Necessary was 20..N:b2 21 R:b2 Cb4.. >>>Better 22...Ne5 with idea 23..Bd3 (22..R:e2) >>>Instead of 23..Qf6? , blocking own bishop , better 23..Qc7 >> >>Thanks for your comments. >> >>Movei probably does it's mistakes because of mobility(latest version is not >>better). >> >>20...Bg5 gives the bishop more options to move. >>Movei does not like 20...Nxb2 because the black knight has 8 moves in the square >>d3 when the white bishop has only 7 moves in the square b2. >> >>It has bonus for 2 bishops but the bonus is not enough to prevent 20...Bg5. >> >>23...Qf6 is also played because of mobility reasons and it enable the queen to >>play more moves. >> >>Even on fast hardware both 295 and 309 cannot find 23...Nxb2 and stick to it in >>a reasonable time >> >>Analysis of version 295(with the default 64 mbytes hash) >> >>With your hardware it will be slower but you can get the same result(I have no >>patience to continue to depth 14) >> >>setboard 2rq1rk1/p3bppp/bpP5/8/8/1N1n2P1/PB2RPBP/R2Q2K1 b - - 0 1 >>analyze >> 1 -17 0 82 f8e8 >> 2 -28 0 304 f8e8 b2d4 >>2 -27 0 351 d3b2 >> 2 -28 0 358 f8e8 b2d4 >>2 -27 0 433 a6c4 >> 2 -26 0 534 a6c4 b2d4 >>2 -25 0 839 e7f6 >> 2 -20 1 961 e7f6 b2f6 d8f6 >> 2 -20 1 1140 e7f6 b2f6 d8f6 >> 3 -20 1 1323 e7f6 b2f6 d8f6 >>3 -19 1 1502 a6c4 >> 3 -9 1 1781 a6c4 b2d4 f8e8 >>3 -8 1 3100 d8c7 >> 3 -7 1 3352 d8c7 g2e4 d3b2 e2b2 >> 3 -7 1 3626 d8c7 g2e4 d3b2 e2b2 >> 4 -32 1 5493 d8c7 b2d4 f8d8 g2e4 >>4 -31 1 5580 d3b2 >> 4 -29 1 5707 d3b2 d1d8 e7d8 e2b2 >>4 -28 1 6703 a6c4 >> 4 -23 3 8348 a6c4 b2c3 d8c7 g2e4 >>4 -22 3 9971 f8e8 >> 4 -22 3 11511 f8e8 b2c3 e7a3 e2e8 d8e8 d1h5 >>4 -21 4 16034 a6b5 >> 4 6 4 17482 a6b5 b3d4 d3b2 e2b2 >> 4 6 4 17865 a6b5 b3d4 d3b2 e2b2 >> 5 -6 4 21084 a6b5 b3d4 d3b2 e2b2 b5c4 >>5 -5 4 22110 d3b2 >>5 24 4 22691 d3b2 >> 5 33 6 24587 d3b2 e2b2 e7a3 b2c2 a6d3 >> 5 33 6 27919 d3b2 e2b2 e7a3 b2c2 a6d3 >> 6 32 7 33531 d3b2 e2b2 e7a3 b2d2 d8f6 g2e4 >> 6 32 9 46997 d3b2 e2b2 e7a3 b2d2 d8f6 g2e4 >> 7 13 17 86829 d3b2 e2b2 e7f6 b2d2 d8c7 a1c1 f8e8 >>7 14 29 162083 a6c4 >> 7 13 32 173586 d3b2 e2b2 e7f6 b2d2 d8c7 a1c1 f8e8 >> 7 13 34 183130 d3b2 e2b2 e7f6 b2d2 d8c7 a1c1 f8e8 >> 8 16 75 409028 d3b2 e2b2 e7b4 a1c1 b4a3 b2d2 d8f6 c1b1 >>8 17 107 587659 c8c7 >> 8 16 123 682112 d3b2 e2b2 e7b4 a1c1 b4a3 b2d2 d8f6 c1b1 >> 8 16 184 1018938 d3b2 e2b2 e7b4 a1c1 b4a3 b2d2 d8f6 c1b1 >> 9 9 239 1319786 d3b2 e2b2 e7b4 d1f3 f8e8 a1d1 d8g5 f3d5 g5f6 >>9 10 415 2327016 e7g5 >> 9 12 456 2575409 e7g5 b2a3 f8e8 e2e8 d8e8 d1f3 g7g6 h2h4 d3e5 f3c3 g5f6 >> 9 12 670 3736305 e7g5 b2a3 f8e8 e2e8 d8e8 d1f3 g7g6 h2h4 d3e5 f3c3 g5f6 >> 10 21 873 4913895 e7g5 b2a3 f8e8 h2h4 g5f6 a1b1 a6c4 e2e8 d8e8 d1h5 f6e5 >> 10 21 1396 7772218 e7g5 b2a3 f8e8 h2h4 g5f6 a1b1 a6c4 e2e8 d8e8 d1h5 f6e5 >> 11 14 2132 12080205 e7g5 b2a3 f8e8 e2e4 g5f6 a1b1 c8c6 e4e8 d8e8 g2c6 e8c6 d1e2 >> f6e5 >> 11 14 4767 27119006 e7g5 b2a3 f8e8 e2e4 g5f6 a1b1 c8c6 e4e8 d8e8 g2c6 e8c6 d1e2 >> f6e5 >> 12 4 6110 34880897 e7g5 b2a3 f8e8 e2e4 e8e4 g2e4 g5f6 a1b1 f6d4 b3d4 d8d4 d1e2 >>d3f2 e4h7 g8h7 e2a6 c8c6 a6a7 >>12 5 7718 44123777 d3b2 >> 12 7 8996 51423655 d3b2 e2b2 d8c7 b2d2 f8d8 g2e4 d8d2 d1d2 c8d8 d2c2 g7g6 a1d1 >>a6b5 >> 12 7 15982 91507112 d3b2 e2b2 d8c7 b2d2 f8d8 g2e4 d8d2 d1d2 c8d8 d2c2 g7g6 a1d1 >> a6b5 >> 13 7 22104 126353139 d3b2 e2b2 e7b4 d1f3 d8e7 b2c2 f8e8 g2f1 a6f1 a1f1 e7e6 f1d >>1 e6h3 b3d4 >>13 8 27095 155848060 e7g5 >> 13 15 31365 181090862 e7g5 b2a3 f8e8 e2e4 e8e4 g2e4 g5f6 a1b1 f6d4 b3d4 d8d4 d1 >>e2 d3f2 e4h7 g8h7 e2a6 f2e4 g1h1 c8c6 a6a7 >> 13 15 37390 215327278 e7g5 b2a3 f8e8 e2e4 e8e4 g2e4 g5f6 a1b1 f6d4 b3d4 d8d4 d1 >>e2 d3f2 e4h7 g8h7 e2a6 f2e4 g1h1 c8c6 a6a7 >> >> >>Analysis of version 309 >>309 can get deeper because of less extensions but cannot find Nxb2 even at depth >>14. >> >>It fails high on that move but it turns out that the fail high is wrong fail >>high. >> >>Note that the main line and the evaluation at depth 13 is the same as version >>295. >> >>I changed slightly the evaluation and not only the search but the changes in the >>evaluation are not relevant to the line of this position at depth 13. >> >>setboard 2rq1rk1/p3bppp/bpP5/8/8/1N1n2P1/PB2RPBP/R2Q2K1 b - - 0 1 >>analyze >> 1 -17 0 82 f8e8 >> 2 -28 0 304 f8e8 b2d4 >>2 -27 0 351 d3b2 >> 2 -28 0 358 f8e8 b2d4 >>2 -27 0 433 a6c4 >> 2 -26 0 534 a6c4 b2d4 >>2 -25 0 871 e7f6 >> 2 -20 0 993 e7f6 b2f6 d8f6 >> 2 -20 0 1139 e7f6 b2f6 d8f6 >> 3 -20 1 1322 e7f6 b2f6 d8f6 >>3 -19 1 1501 a6c4 >> 3 -9 1 1780 a6c4 b2d4 f8e8 >>3 -8 1 3088 d8c7 >> 3 -7 1 3340 d8c7 g2e4 d3b2 e2b2 >> 3 -7 1 3614 d8c7 g2e4 d3b2 e2b2 >> 4 -32 1 5481 d8c7 b2d4 f8d8 g2e4 >>4 -31 1 5568 d3b2 >> 4 -29 1 5695 d3b2 d1d8 e7d8 e2b2 >>4 -28 1 6690 a6c4 >> 4 -23 3 8335 a6c4 b2c3 d8c7 g2e4 >>4 -22 3 9951 f8e8 >> 4 -22 3 11491 f8e8 b2c3 e7a3 e2e8 d8e8 d1h5 >>4 -21 3 14043 a6b5 >> 4 6 3 15491 a6b5 b3d4 d3b2 e2b2 >> 4 6 4 16526 a6b5 b3d4 d3b2 e2b2 >> 5 -6 4 19776 a6b5 b3d4 d3b2 e2b2 b5c4 >>5 -5 4 20901 d3b2 >>5 24 4 21482 d3b2 >> 5 33 4 23383 d3b2 e2b2 e7a3 b2c2 a6d3 >> 5 33 6 26726 d3b2 e2b2 e7a3 b2c2 a6d3 >> 6 32 6 32339 d3b2 e2b2 e7a3 b2d2 d8f6 g2e4 >> 6 32 9 45693 d3b2 e2b2 e7a3 b2d2 d8f6 g2e4 >> 7 13 15 79757 d3b2 e2b2 e7f6 b2d2 d8c7 a1c1 f8e8 >>7 14 29 153118 a6c4 >> 7 20 43 221737 a6c4 a1b1 d3b2 e2b2 e7a3 b2c2 c4d3 >> 7 20 45 232221 a6c4 a1b1 d3b2 e2b2 e7a3 b2c2 c4d3 >> 8 11 62 322831 a6c4 a1b1 d3b2 e2b2 e7a3 b2c2 c4d3 c2d2 >>8 12 67 346877 d3b2 >> 8 16 84 441023 d3b2 e2b2 e7b4 a1c1 b4a3 b2d2 d8f6 c1b1 >>8 17 96 511408 c8c7 >> 8 16 104 555783 d3b2 e2b2 e7b4 a1c1 b4a3 b2d2 d8f6 c1b1 >>8 17 140 752349 e7g5 >> 8 36 173 930048 e7g5 b2a3 f8e8 a3b2 d3b2 d1d8 c8d8 e2b2 >> 8 36 178 949038 e7g5 b2a3 f8e8 a3b2 d3b2 d1d8 c8d8 e2b2 >>9 6 196 1057170 e7g5 >> 9 6 225 1216909 e7g5 b2a3 f8e8 e2e8 d8e8 d1f3 e8e6 f3d5 e6f6 a1f1 d3e5 >>9 7 251 1365603 d3b2 >> 9 8 287 1559339 d3b2 e2b2 e7g5 d1d8 f8d8 a1e1 a6d3 f2f4 g5f6 b2d2 >>9 9 309 1679924 c8c7 >> 9 8 325 1764486 d3b2 e2b2 e7g5 d1d8 f8d8 a1e1 a6d3 f2f4 g5f6 b2d2 >>9 9 404 2206508 a6c4 >> 9 8 425 2301729 d3b2 e2b2 e7g5 d1d8 f8d8 a1e1 a6d3 f2f4 g5f6 b2d2 >> 9 8 509 2734183 d3b2 e2b2 e7g5 d1d8 f8d8 a1e1 a6d3 f2f4 g5f6 b2d2 >> 10 11 882 4790706 d3b2 e2b2 d8c7 b2d2 f8d8 g2e4 d8d2 d1d2 c8d8 d2f4 c7f4 g3f4 >>10 12 1040 5693128 e7g5 >> 10 17 1117 6144068 e7g5 b2a3 f8e8 e2e8 d8e8 d1f3 d3e1 f3e4 e1g2 e4e8 c8e8 g1g2 >>a6d3 b3d4 d3e4 f2f3 >> 10 17 1386 7589102 e7g5 b2a3 f8e8 e2e8 d8e8 d1f3 d3e1 f3e4 e1g2 e4e8 c8e8 g1g2 >>a6d3 b3d4 d3e4 f2f3 >> 11 9 1820 10047149 e7g5 h2h4 g5f6 b2f6 d8f6 e2d2 f8d8 d1f3 f6e6 a1d1 e6c4 >> 11 9 3948 21743472 e7g5 h2h4 g5f6 b2f6 d8f6 e2d2 f8d8 d1f3 f6e6 a1d1 e6c4 >> 12 19 5523 30600272 e7g5 h2h4 g5h6 e2c2 f8e8 d1g4 d8c7 g2f1 d3e1 f1a6 e1c2 a6c8 >> c2a1 >> 12 19 7067 39172101 e7g5 h2h4 g5h6 e2c2 f8e8 d1g4 d8c7 g2f1 d3e1 f1a6 e1c2 a6c8 >> c2a1 >> 13 15 9732 54377089 e7g5 b2a3 f8e8 e2e4 e8e4 g2e4 g5f6 a1b1 f6d4 b3d4 d8d4 d1e2 >> d3f2 e4h7 g8h7 e2a6 f2e4 g1h1 c8c6 a6a7 >> 13 15 24736 139147132 e7g5 b2a3 f8e8 e2e4 e8e4 g2e4 g5f6 a1b1 f6d4 b3d4 d8d4 d1 >>e2 d3f2 e4h7 g8h7 e2a6 f2e4 g1h1 c8c6 a6a7 >> 14 10 39251 222619448 e7g5 f2f4 d3b2 e2b2 g5f6 b2d2 d8e7 a1c1 f8d8 d2d7 e7e3 g1 >>h1 a6b5 d7d8 c8d8 d1h5 b5d3 >>14 11 47192 268601007 d3b2 >> 14 10 55571 313938041 e7g5 f2f4 d3b2 e2b2 g5f6 b2d2 d8e7 a1c1 f8d8 d2d7 e7e3 g1 >>h1 a6b5 d7d8 c8d8 d1h5 b5d3 > > >version 309 finds the right move only at depth 15 after more than 30 minutes on >fast hardware > >14 10 106086 588687098 e7g5 f2f4 d3b2 e2b2 g5f6 b2d2 d8e7 a1c1 f8d8 d2d7 e7e3 g >1h1 a6b5 d7d8 c8d8 d1h5 b5d3 >15 0 170804 944902040 e7g5 h2h4 g5h6 b2a3 f8e8 e2e4 e8e4 g2e4 g7g6 d1c2 f7f5 e4 >g2 h6g7 a1d1 c8c7 a3b4 >15 1 175195 968401105 d3b2 >15 11 198606 1094259016 d3b2 e2b2 e7b4 d1f3 f8e8 a1d1 d8e7 b3d4 b4c5 f3f4 e7e5 >f4e5 e8e5 f2f4 e5e2 b2e2 a6e2 > >The question is if there is something to fix in the evaluation to find it faster > >Even shredder9 needs time for it > >Tyrez - RusMan,m, Rated game, 60m + 15s 2005 >2rq1rk1/p3bppp/bpP5/8/8/1N1n2P1/PB2RPBP/R2Q2K1 b - - 0 1 > >Analysis by Shredder 9 UCI: > >20...Nxb2 > ² (0.50) Depth: 1/4 00:00:00 >20...Nxb2 > ² (0.50) Depth: 1/4 00:00:00 >20...Nxb2 21.Qxd8 > ² (0.50) Depth: 2/6 00:00:00 >20...Qd6 > ² (0.48) Depth: 2/6 00:00:00 >20...Qd6 21.Rb1 > ² (0.41) Depth: 2/6 00:00:00 >20...Re8 > ² (0.40) Depth: 2/6 00:00:00 >20...Re8 21.Bd4 > ² (0.40) Depth: 2/6 00:00:00 >20...Re8 21.Bd4 > = (0.15) Depth: 3/8 00:00:00 >20...Re8 21.Rb1 Qd6 > = (0.15) Depth: 3/8 00:00:00 >20...Bf6 > = (0.09) Depth: 3/12 00:00:00 >20...Bf6 21.Ba3 Re8 > = (0.05) Depth: 3/12 00:00:00 >20...Bf6 21.Ba3 Re8 22.Rb1 > = (-0.07) Depth: 4/12 00:00:00 >20...Bb5 > = (-0.14) Depth: 4/12 00:00:00 >20...Bb5 > = (-0.14) Depth: 4/12 00:00:00 >20...Bb5 > = (0.14) Depth: 5/12 00:00:00 >20...Bb5 21.Nd4 Nxb2 22.Rxb2 Bc4 23.Rd2 > = (0.17) Depth: 5/12 00:00:00 >20...Bf6 > = (0.16) Depth: 5/12 00:00:00 >20...Bf6 21.Ba3 Re8 22.Rb1 Qc7 > = (-0.13) Depth: 5/12 00:00:00 >20...Bf6 21.Ba3 Re8 22.Rb1 Bb5 23.Rxe8+ Qxe8 24.Qc2 > = (-0.04) Depth: 6/15 00:00:00 18kN >20...Re8 > = (-0.05) Depth: 6/16 00:00:00 28kN >20...Re8 21.Rd2 > = (-0.05) Depth: 6/16 00:00:00 29kN >20...Re8 21.Rd2 Qd6 22.Be4 Nxb2 23.Rxd6 Nxd1 > = (0.14) Depth: 7/16 00:00:01 54kN >20...Bf6 > = (0.13) Depth: 7/16 00:00:01 58kN >20...Bf6 21.Ba3 Re8 22.Rb1 Qc7 23.Rxe8+ Rxe8 24.Qh5 Bc4 > = (0.00) Depth: 7/16 00:00:01 64kN >20...Nxb2 > = (-0.01) Depth: 7/16 00:00:01 70kN >20...Nxb2 21.Rxb2 Qc7 22.Rd2 > = (-0.02) Depth: 7/16 00:00:01 92kN >20...Nxb2 21.Rxb2 Qe8 22.Rd2 > = (0.12) Depth: 8/19 00:00:01 205kN >20...Bf6 > = (0.11) Depth: 8/19 00:00:01 226kN >20...Bf6 > = (-0.24) Depth: 8/19 00:00:01 240kN >20...Bf6 21.Bxf6 > = (-0.24) Depth: 8/19 00:00:01 261kN >20...Bf6 21.Bxf6 Qxf6 22.Rd2 Qg6 23.Qc2 > = (0.00) Depth: 9/20 00:00:03 323kN >20...Nxb2 > = (-0.01) Depth: 9/20 00:00:03 409kN >20...Nxb2 21.Rxb2 Bb4 22.Qxd8 > = (-0.01) Depth: 9/20 00:00:03 446kN >20...Qd6 > = (-0.02) Depth: 9/22 00:00:03 541kN >20...Qd6 21.Rd2 Qg6 22.Qc2 Nxb2 23.Qxg6 hxg6 24.Rxb2 Rfd8 > = (-0.06) Depth: 9/22 00:00:03 614kN >20...Qd6 21.Rd2 Qg6 22.Bc3 Rfe8 23.Qf3 Bb5 24.Qd5 Nc5 25.Nd4 > = (-0.02) Depth: 10/22 00:00:04 833kN >20...Qd6 21.Rd2 Qg6 22.Bc3 Bg5 23.f4 Be7 24.Re2 Rfe8 25.Be4 Nxf4 > = (-0.11) Depth: 11/22 00:00:06 1385kN >20...Qd6 21.Bc3 Rfe8 22.Qd2 Rcd8 23.Qe3 > = (0.12) Depth: 12/24 00:00:07 2810kN >20...Nxb2 > = (0.11) Depth: 12/24 00:00:07 3116kN >20...Nxb2 21.Rxb2 Bb4 22.Rc2 Qe7 23.Qf3 Rfe8 > = (0.04) Depth: 12/27 00:00:08 3961kN >20...Nxb2 21.Rxb2 Bb4 22.Rc2 Qe7 23.Qf3 Rfe8 24.Bf1 Bxf1 25.Rxf1 Rcd8 26.c7 Rc8 >27.Qb7 Bd6 28.Rfc1 Qf6 > = (0.13) Depth: 13/28 00:00:14 6849kN >20...Qd6 > = (0.12) Depth: 13/28 00:00:16 7429kN >20...Qd6 21.Bc3 Rfe8 22.Qd2 Bf6 23.Rxe8+ > = (0.12) Depth: 13/28 00:00:16 7869kN >20...Bg5 > = (0.11) Depth: 13/28 00:00:19 9140kN >20...Bg5 21.Ba3 Re8 22.Rxe8+ Qxe8 23.Qf3 Ne1 24.Qe4 Nxg2 25.Qxe8+ Rxe8 26.Kxg2 >Re2 27.Nd4 Rd2 28.Nf5 > = (0.03) Depth: 13/30 00:00:22 10659kN >20...Bg5 21.Ba3 Re8 22.Rxe8+ Qxe8 23.Qf3 Ne1 24.Qe4 Nxg2 25.Qxe8+ Rxe8 26.Kxg2 >Bd3 27.c7 Bf5 28.Nd4 Bf6 > = (0.19) Depth: 14/30 00:00:29 14049kN >20...Nxb2 > = (0.18) Depth: 14/30 00:00:30 14539kN >20...Nxb2 21.Rxb2 Bb4 22.Rc2 Qe7 23.Qf3 Rfe8 24.Bf1 Bxf1 25.Rxf1 Qe6 26.Rd1 Rcd8 >27.Nd4 Qh3 28.c7 Rd6 > = (0.14) Depth: 14/30 00:00:35 16876kN >20...Nxb2 21.Rxb2 Bb4 22.Rc2 Qf6 23.Qd4 Qxd4 24.Nxd4 Rfd8 25.Rd1 Bc5 26.Rcd2 Bb4 >27.Rc2 Bc5 28.Rcd2 Bb4 29.Rc2 > = (0.00) Depth: 15/32 00:00:58 27513kN >20...Nxb2 21.Rxb2 Bb4 22.Qf3 Qc7 23.Rd1 Rfe8 24.Nc1 Ba5 > = (0.04) Depth: 16/34 00:01:30 43055kN > >(, 07.05.2005) > > > >Uri This very interesting. 20..N:b2 positional move, I think. Some engine do this move immediately. Knight has 8 moves in the square.But in a short time him to come to abandon square d3 Tyrez - RusMan,m 2rq1rk1/p3bppp/bpP5/8/8/1N1n2P1/PB2RPBP/R2Q2K1 b - - 0 1 Analysis by X3D Fritz: 20...Nxb2 21.Rxb2 Bb4 22.Qf3 Re8 23.Rd1 Qc7 24.Nd4 Bc5 ³ (-0.29) Depth: 7/19 00:00:00 134kN 20...Nxb2 21.Rxb2 Qc7 22.Rd2 Rfd8 23.Rxd8+ Rxd8 24.Qh5 Bf6 25.Re1 = (-0.21) Depth: 8/19 00:00:00 278kN 20...Nxb2 21.Rxb2 Bb4 22.Qf3 Qc7 23.Nd4 Bc5 24.Rd1 Rfe8 25.Rbd2 = (-0.11) Depth: 9/24 00:00:01 1014kN 20...Qd6! = (-0.11) Depth: 9/26 00:00:03 2896kN 20...Qd6 21.Bc3 Rfe8 22.Nd4 Qc5 23.Rc2 Bf6 24.Ne6 Qf5 = (-0.15) Depth: 9/26 00:00:03 3276kN 20...Qd6 21.Rd2 Qg6 22.Bc3 Rfe8 23.Qc2 Bg5 24.f4 Be7 25.Rad1 = (-0.02) Depth: 10/25 00:00:06 5279kN 20...Nxb2! = (-0.02) Depth: 10/25 00:00:06 5524kN 20...Nxb2 21.Rxb2 Bb4 22.Qf3 Re8 23.Rd1 Qc7 24.Nd4 = (-0.14) Depth: 10/25 00:00:06 6055kN 20...Nxb2 21.Rxb2 Bg5 22.Qxd8 Rfxd8 23.Re1 Bd3 24.Rd1 Kf8 25.h4 Bh6 26.f4 Ke7 = (-0.07) Depth: 11/26 00:00:14 12759kN 20...Bg5! = (-0.07) Depth: 11/31 00:00:26 24238kN 20...Bg5 21.Ba3 Re8 22.Rxe8+ Qxe8 23.Qf3 Bf6 24.Rd1 Ne5 25.Qe3 Qe6 26.Rd6 = (-0.13) Depth: 11/31 00:00:29 26697kN 20...Bg5 21.Ba3 Re8 22.Qc2 Rxe2 23.Qxe2 Nb4 24.Qh5 g6 25.Qf3 Nxc6 26.Rd1 Qc7 27.Bd6 = (-0.09) Depth: 12/31 00:00:41 38583kN 20...Nxb2! = (-0.09) Depth: 12/31 00:00:44 41528kN 20...Nxb2 21.Rxb2 Bb4 22.Qf3 Re8 23.Rd1 Qc7 24.Nd4 Bc5 25.Nf5 Bf1 26.Bxf1 = (-0.15) Depth: 12/31 00:00:46 43002kN 20...Nxb2 21.Rxb2 Bb4 22.Qf3 Re8 23.a3 Bd6 24.Rd1 Qc7 25.Rbd2 Rcd8 26.Nd4 Bc4 = (-0.05) Depth: 13/32 00:01:14 70861kN 20...Nxb2 21.Rxb2 Bb4 22.Qf3 Qc7 23.Nd4 Bc5 24.Nb3 Bd6 25.Rd1 Rcd8 26.Rbd2 Rfe8 = (-0.12) Depth: 14/36 00:02:53 159796kN But here is engine, which too mistakens here: Tyrez - RusMan,m 2rq1rk1/p3bppp/bpP5/8/8/1N1n2P1/PB2RPBP/R2Q2K1 b - - 0 1 Analysis by Toga II 0.93: 20...Nxb2 21.Qxd8 Bxd8 22.Rxb2 = (0.23) Depth: 1/4 00:00:00 20...Nf4 = (0.13) Depth: 1/8 00:00:00 20...Bc4 = (-0.01) Depth: 1/8 00:00:00 20...Bc4 21.Bc3 = (0.15) Depth: 2/8 00:00:00 20...Bf6 21.Ba3 = (0.06) Depth: 2/8 00:00:00 20...Bf6 21.Bxf6 Qxf6 22.Qc2 = (0.18) Depth: 3/12 00:00:00 20...Bc4 21.Bc3 Qc7 = (0.00) Depth: 3/12 00:00:00 20...Bd6 21.Bc3 Qg5 = (-0.02) Depth: 3/12 00:00:00 20...Bd6 21.Bc3 Qg5 22.Rb1 = (0.10) Depth: 4/12 00:00:00 20...Bd6 21.Bc3 Qg5 22.Be4 Qb5 = (0.22) Depth: 5/18 00:00:00 20...Bc4 21.Rxe7 Qxe7 22.Bxg7 Kxg7 23.Qg4+ Kh8 24.Qxc4 = (-0.02) Depth: 5/18 00:00:00 20...Nxb2 21.Rxb2 Bf6 22.Rd2 Qe7 ³ (-0.37) Depth: 5/18 00:00:00 20...Nxb2 21.Rxb2 Bc4 22.Nd4 f5 23.a4 = (-0.05) Depth: 6/18 00:00:00 71kN 20...Nxb2 21.Rxb2 Rc7 22.Rd2 Qb8 23.Rd7 Bc4 = (-0.06) Depth: 7/24 00:00:00 165kN 20...Nxb2 21.Rxb2 Bb4 22.Rc2 Bd3 23.c7 Qd6 24.Rc6 Qd7 = (-0.20) Depth: 8/24 00:00:01 329kN 20...Nxb2 21.Rxb2 Bb4 22.Qf3 Bc4 23.Rd1 Qe7 24.Qe4 Be6 = (-0.11) Depth: 9/24 00:00:01 579kN 20...Nxb2 21.Rxb2 Bb4 22.Qf3 Bc4 23.Rd1 Qe7 24.Qe4 Ba3 25.Rc2 = (0.00) Depth: 10/25 00:00:02 1445kN 20...f5 21.Nd4 Bc4 22.Bc3 Bf6 23.Qa4 b5 24.Qxa7 b4 25.c7 Qxc7 = (-0.04) Depth: 10/32 00:00:06 4984kN 20...f5 21.Nd4 Rf7 22.Bc3 f4 23.Rd2 fxg3 24.hxg3 Nc5 25.Nb5 Qe8 26.Nxa7 ² (0.34) Depth: 11/33 00:00:11 9515kN 20...Nxb2 21.Rxb2 Bb4 22.Qf3 Rc7 23.Bf1 Bc8 24.a3 Bd6 25.Bd3 Be6 = (0.01) Depth: 11/33 00:00:12 10386kN 20...Nxb2 21.Rxb2 Rc7 22.Rd2 Qc8 23.Be4 Rxc6 24.Bxc6 Qxc6 25.Rc1 Bc4 26.Qe2 Bxe2 27.Rxc6 = (0.08) Depth: 12/33 00:00:21 17477kN 20...Bg5 21.h4 Nxb2 22.Rxb2 Bf6 23.Rd2 Qe8 24.Nd4 Rc7 25.Qa4 Re7 26.Qxa6 Re1+ 27.Kh2 Rxa1 28.Qxa7 = (-0.08) Depth: 12/35 00:00:57 47579kN 20...Bg5 21.h4 Nxb2 22.Rxb2 Bf6 23.Rd2 Qe7 24.Rd7 Qa3 25.Rxa7 Bxa1 26.Qxa1 Rce8 27.Bf1 b5 = (-0.17) Depth: 13/38 00:01:09 58299kN 20...Bg5 21.h4 Bh6 22.Bc3 Qd6 23.Nd4 g6 24.Rb1 Qc5 25.Rc2 Rfd8 26.Bd2 Bc4 27.Bxh6 Rxd4 = (-0.11) Depth: 14/38 00:01:40 85485kN 20...Bg5 21.h4 Bh6 22.Ba3 Re8 23.Qc2 Rxe2 24.Qxe2 Qf6 25.Qc2 Ne5 26.Be4 Nf3+ 27.Kh1 g6 28.Kg2 Ne5 = (-0.15) Depth: 15/39 00:03:18 164430kN 20...Bg5 21.h4 Bh6 22.Ba3 Re8 23.Qc2 Rxe2 24.Qxe2 Nb4 25.Qd1 Nd3 26.Qe2 = (0.00) Depth: 16/42 00:05:25 274580kN
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.