Author: Stan Arts
Date: 01:51:28 09/26/04
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On September 25, 2004 at 18:01:37, David B Weller wrote: >[D]7r/1kpr1pp1/pPn1p3/2Q1P3/3Pq3/2P1N2p/1R3PP1/4R1K1 w - - > >Ges has a REAL HARD time with this [pushes extensions out to 45 ply!] > >any ideas why? I got my chess board out now.... > >BTW - crafty gets this is like 3 seconds arrggg..... Hi Maybe something is wrong with a pawn to 7th row extention? For instance maybe you always extend also when a pawn is already on 7th. Because black's pawn will be on h2 (for a long time) in a lot of important lines in this position I guess. Neurosis 1.81 P3-550, 48MB hash. Legal moves: 42 Static score: 40 Ply Score Time Nodes Best move and expected line ------------------------------------------------------------ 2 120 5 2305 bxc7+ Kxc7 Qb6+ Kc8 gxh3 3 136 16 10421 bxc7+ Kc8 f3 h2+ Kh1 Qh4 4 136 27 25732 bxc7+ Kc8 f3 h2+ Kh1 Qh4 5 144 104 117840 bxc7+ Kc8 d5 hxg2 f3 Qh4 6 124 291 352994 bxc7+ Kc8 gxh3 Rxc7 Ng2 Qf3 6 125 560 668529 d5 < + > h2+ Kh1 Na5 f3 Qd3 6 161 654 762010 d5 h2+ Kh1 Ne7 bxc7+ Ka8 d6 Nc6 7 175 1197 1464872 d5 h2+ Kh1 Rxd5 bxc7+ Kxc7 Qb6+ Kd7 Qb7+ Kd8 Qa8+ Nb8 Rxb8+ Ke7 8 215 2741 3203150 d5 < + > h2+ Kh1 Qd3 dxc6+ Kc8 cxd7+ Kd8 8 295 4597 5397052 d5 < + > h2+ Kh1 Qxe3 fxe3 exd5 bxc7+ Kc8 8 361 9535 11454905 d5 h2+ Kh1 Qa4 bxc7+ Kc8 Nc4 Rxd5 Nb6+ Kxc7 Nxa4 9 401 16159 20393411 d5 < + > h2+ Kh1 Qd3 dxc6+ Kb8 cxd7 g5 f3 9 481 23552 29341675 d5 < + > h2+ Kh1 Qd3 dxc6+ Kb8 cxd7 Ka8 f3 9 589 31994 39654233 d5 h2+ Kh1 exd5 bxc7+ Kxc7 Qb6+ Kc8 Qxc6+ Rc7 Qa8+ Kd7 Qxh8 Qxe5 10 625 52135 65184857 d5 h2+ Kh1 exd5 bxc7+ Kxc7 Qb6+ Kc8 Qxc6+ Rc7 Qa8+ Kd7 Qxh8 Qxe5 Qh3+ Kc6 11 665 106819 134553173 d5 < + > h2+ Kh1 exd5 bxc7+ Ka8 Qxc6+ Ka7 Qxd7 Qxe5 Rb8 Total nodes:152275812 n/sec:127400 (q-nodes:15% max depth:33) (Didn't wait for 11th ply fail-high to finish.) Greetings Stan
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