Author: Andrew Platt
Date: 16:39:30 09/25/04
Go up one level in this thread
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..... Usually when people report positions that their engines have problems with it just adds another to Schola's tough position list but not in this case. I'm not claiming d5 is optimal but it looks winning and I find it at iteration 9 (actually it finds it earlier but then switches to another move before returning): 5 +143 1 14411 bxc7+ Kc8 gxh3 Qg6+ Ng4 Rxc7 5 +166 3 30079 gxh3 Qg6+ Kh2 Rb8 Rg1 Qh7 5 +166 6 61445 gxh3 Qg6+ Kh2 Rb8 Rg1 Qh7 6 +147 10 99534 gxh3 Rxh3 bxc7+ Kc8 Ng2 Qd5 Qb6 6 +175 25 209721 d5 h2+ Kh1 Ne7 bxc7+ Ka8 d6 Nc6 6 +175 26 227618 d5 h2+ Kh1 Ne7 bxc7+ Ka8 d6 Nc6 7 +180 32 278561 d5 h2+ Kh1 Ne7 bxc7+ Ka8 d6 Qc6 Qd4 7 +180 45 386978 d5 h2+ Kh1 Ne7 bxc7+ Ka8 d6 Qc6 Qd4 8 +170 62 562145 d5 h2+ Kh1 Ne7 bxc7+ Ka8 d6 Nc6 Nc2 Qf5 8 +186 92 825608 bxc7+ Kc8 Qb6 h2+ Kh1 Rxc7 Qxa6+ Kd8 f3 Qg6 Rd1 8 +186 120 1085498 bxc7+ Kc8 Qb6 h2+ Kh1 Rxc7 Qxa6+ Kd8 f3 Qg6 Rd1 9 +176 146 1322051 bxc7+ Kc8 Qb6 h2+ Kh1 Rxc7 Qxa6+ Kd8 f3 Qg6 Qa8+ Rc8 Qb7 9 +409 767 7177290 d5 Qa4 bxc7+ Kc8 Nc4 Rxd5 Nb6+ Kxc7 Nxa4 Rxc5 Nxc5 9 +409 998 9217340 d5 Qa4 bxc7+ Kc8 Nc4 Rxd5 Nb6+ Kxc7 Nxa4 Rxc5 Nxc5 10 +637 3762 35402455 d5 Rxd5 bxc7+ Kxc7 Qb6+ Kd7 Qb7+ Kd8 10 +637 5315 49696577 d5 Rxd5 bxc7+ Kxc7 Qb6+ Kd7 Qb7+ Kd8 Andy.
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