Author: Djordje Vidanovic
Date: 17:29:26 04/15/03
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I think that my old Novag Expert was able to find the mate, but it was such a long time ago that I am not sure now... Chess Tiger 15 finds the mate, in 17 moves... which is strange. Here's the analysis: New game Bk6/1P2p1pp/RP1p3p/P7/2P5/4p3/4p1p1/4Kbrb w - - 0 1 Analysis by Chess Tiger 15.0: +- (#17) Depth: 35 00:00:08 6892kN 1.Ra7 g5 2.Ra6 e5 3.Ra7 e4 4.Ra6 g4 5.Ra7 h5 6.Ra6 h4 7.Ra7 h6 8.Ra6 h5 9.Ra7 h3 10.Ra6 h2 11.Ra7 g3 12.Ra6 +- (#17) Depth: 36 00:00:09 7943kN 1.Ra7 g5 2.Ra6 e5 3.Ra7 e4 4.Ra6 g4 5.Ra7 h5 6.Ra6 h4 7.Ra7 h6 8.Ra6 h5 9.Ra7 h3 10.Ra6 h2 11.Ra7 g3 12.Ra6 +- (#17) Depth: 37 00:00:10 8713kN 1.Ra7 g5 2.Ra6 e5 3.Ra7 e4 4.Ra6 g4 5.Ra7 h5 6.Ra6 h4 7.Ra7 h6 8.Ra6 h5 9.Ra7 h3 10.Ra6 h2 11.Ra7 g3 12.Ra6 +- (#17) Depth: 38 00:00:11 10003kN 1.Ra7 g5 2.Ra6 e5 3.Ra7 e4 4.Ra6 g4 5.Ra7 h5 6.Ra6 h4 7.Ra7 h6 8.Ra6 h5 9.Ra7 h3 10.Ra6 h2 11.Ra7 g3 12.Ra6 +- (#17) Depth: 39 00:00:13 11767kN 1.Ra7 g5 2.Ra6 e5 3.Ra7 e4 4.Ra6 g4 5.Ra7 h5 6.Ra6 h4 7.Ra7 h6 8.Ra6 h5 9.Ra7 h3 10.Ra6 h2 11.Ra7 g3 12.Ra6 +- (#17) Depth: 40 00:00:15 13729kN 1.Ra7 g5 2.Ra6 e5 3.Ra7 e4 4.Ra6 g4 5.Ra7 h5 6.Ra6 h4 7.Ra7 h6 8.Ra6 h5 9.Ra7 h3 10.Ra6 h2 11.Ra7 g3 12.Ra6 +- (#17) Depth: 41 00:00:17 16127kN 1.Ra7 g5 2.Ra6 e5 3.Ra7 e4 4.Ra6 g4 5.Ra7 h5 6.Ra6 h4 7.Ra7 h6 8.Ra6 h5 9.Ra7 h3 10.Ra6 h2 11.Ra7 g3 12.Ra6 +- (#17) Depth: 42 00:00:19 18769kN (Vidanovich, Filozofski fakultet 16.04.2003) Deep Sjeng 1.0 has problems. It reaches its final depth and starts a loop. The same thing happens to Junior 7... Nimzo 8... Anaconda... Fritz 8... Crafty... New game Bk6/1P2p1pp/RP1p3p/P7/2P5/4p3/4p1p1/4Kbrb w - - 0 1 Analysis by Deep Sjeng 1.0: = (0.00) Depth: 10/12 00:00:01 9kN 1.Ra7 g5 2.c5 dxc5 3.a6 g4 = (0.00) Depth: 19/19 00:00:02 49kN 1.Ra7 g5 2.c5 dxc5 3.a6 g4 = (0.00) Depth: 20/20 00:00:02 55kN 1.Ra7 g5 2.c5 dxc5 3.a6 g4 = (0.00) Depth: 21/21 00:00:02 64kN 1.Ra7 g5 2.c5 dxc5 3.a6 g4 = (0.00) Depth: 22/22 00:00:03 76kN 1.Ra7 g5 2.c5 dxc5 3.a6 g4 = (0.00) Depth: 23/23 00:00:03 90kN 1.Ra7 g5 2.c5 dxc5 3.a6 g4 = (0.00) Depth: 24/24 00:00:03 105kN 1.Ra7 g5 2.c5 dxc5 3.a6 g4 = (0.00) Depth: 25/25 00:00:03 119kN 1.Ra7 g5 2.c5 dxc5 3.a6 g4 = (0.00) Depth: 26/26 00:00:03 137kN 1.Ra7 g5 2.c5 dxc5 3.a6 g4 = (0.00) Depth: 27/27 00:00:03 157kN 1.Ra7 g5 2.c5 dxc5 3.a6 g4 = (0.00) Depth: 28/28 00:00:03 182kN 1.Ra7 g5 2.c5 dxc5 3.a6 g4 = (0.00) Depth: 29/29 00:00:03 207kN 1.Ra7 g5 2.c5 dxc5 3.a6 g4 = (0.00) Depth: 30/30 00:00:04 232kN 1.Ra7 g5 2.c5 dxc5 3.a6 g4 = (0.00) Depth: 31/31 00:00:04 263kN 1.Ra7 g5 2.c5 dxc5 3.a6 g4 = (0.00) Depth: 32/32 00:00:04 298kN (Vidanovich, Filozofski fakultet 16.04.2003) Doctor 3.0 finds the mate in 19 instantly. So does Shredder 7.04... New game Bk6/1P2p1pp/RP1p3p/P7/2P5/4p3/4p1p1/4Kbrb w - - 0 1 Analysis by Doctor? 3.0: 1.Ra7 e6 2.c5 dxc5 3.a6 c4 = (0.00) Depth: 92/32 00:00:00 24kN 1.Ra7 e6 2.Ra6 h5 3.Ra7 h4 4.Ra6 h3 5.Ra7 h2 6.Ra6 e5 7.Ra7 e4 8.Ra6 g6 9.Ra7 g5 10.Ra6 h6 +- (#19) Depth: 98/32 00:00:00 51kN (Vidanovich, Filozofski fakultet 16.04.2003) New game Bk6/1P2p1pp/RP1p3p/P7/2P5/4p3/4p1p1/4Kbrb w - - 0 1 Analysis by Shredder 7.04: 1.Ra7 h5 2.c5 dxc5 3.a6 h4 = (0.00) Depth: 33/33 00:00:00 14kN 1.Ra7 h5 2.c5 dxc5 3.a6 h4 = (0.00) Depth: 34/34 00:00:00 14kN 1.Ra7 h5 2.c5 dxc5 3.a6 h4 = (0.00) Depth: 35/35 00:00:00 15kN 1.Ra7 h5 2.c5 dxc5 3.a6 h4 = (0.00) Depth: 36/36 00:00:00 15kN 1.Ra7 h5 2.c5 dxc5 3.a6 h4 = (0.00) Depth: 37/37 00:00:00 16kN 1.Ra7 h5 2.Ra6 e6 3.Ra7 g6 4.Ra6 e5 5.Ra7 e4 6.Ra6 h6 7.Ra7 g5 8.Ra6 h4 9.Ra7 h5 10.Ra6 g4 11.Ra7 h3 12.Ra6 h2 13.Ra7 g3 14.Ra6 h4 15.Ra7 +- (#19) Depth: 38/38 00:00:00 200kN 1.Ra7 h5 2.Ra6 e6 3.Ra7 g6 4.Ra6 e5 5.Ra7 e4 6.Ra6 h6 7.Ra7 g5 8.Ra6 h4 9.Ra7 h5 10.Ra6 g4 11.Ra7 h3 12.Ra6 h2 13.Ra7 g3 14.Ra6 h4 15.Ra7 +- (#19) Depth: 38/43 00:00:01 461kN (Vidanovich, Filozofski fakultet 16.04.2003) -- Djordje
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