Author: F. Huber
Date: 10:20:32 08/28/05
Go up one level in this thread
On August 28, 2005 at 13:05:36, Mike Byrne wrote: >CCC arhives indicated no pc program was able to solve this in the late 90's. In >2002, Ruffian was reported to solve fairly quickly. > >Crafty Classic 2005 >Black(1): [d]1r4r1/3q1npk/2b1pbnp/Rp1p4/1N1P3P/2PQ1pP1/1K3B2/5B1R w - - 0 1 > > 14 26:48 Mat15 1. Qxg6+ Kxg6 2. Bd3+ Kh5 3. g4+ Kxg4 > 4. Rg1+ Kh3 5. Bf1+ Kh2 6. Bg3+ Kxg1 > 7. Ra1 Ra8 8. Rb1 Ra1 9. Kxa1 Ra8+ > 10. Kb2 Ra1 11. Kxa1 Qa7+ 12. Kb2 Qa1+ > 13. Kxa1 f2 14. Bh3+ f1=Q 15. Rxf1# > (s=2) And ChestUCI 2005 in 9 sec (on a slow Celeron/400)! ;-) ChestUCI Ver.4.2: CPU: Celeron 400MHz FEN: 1r4r1/3q1npk/2b1pbnp/Rp1p4/1N1P3P/2PQ1pP1/1K3B2/5B1R w - - Position-Analysis: C0/R0/K2/P9/X36 AutoTurbo-Search for Special-Mate [C1/R0/K0/P0/X0] in 15 ... (Hash=33MB) AutoTurbo-Search for Special-Mate [C0/R1/K0/P0/X0] in 15 ... (Hash=33MB) 15/15 00:09 579.491 83.620 +M15 1.Dxg6+ 1.Qxg6+ Kxg6 2.Bd3+ Kh5 3.g4+ Kxg4 4.Rg1+ Kh3 5.Bf1+ Kh2 6.Bg3+ Kxg1 7.Ra1 Ra8 8.Rb1 Ra1 9.Rxa1 Ra8 10.Rb1 Ra1 11.Rxa1 Qa7 12.Rb1 Qa3+ 13.Kxa3 f2 14.Bh3+ f1Q 15.Rxf1# AutoTurbo-Search for Special-Mate [C0/R1/K8/P0/X0] in 15 ... (Hash=33MB) 15/15 00:17 579.491 83.741 +M15 1.Dxg6+ 1... Qxg6+ 2.Kxg6 Bd3+ 3.Kh5 g4+ 4.Kxg4 Rg1+ 5.Kh3 Bf1+ 6.Kh2 Bg3+ 7.Kxg1 Ra1 8.Ra8 Rb1 9.Ra1 Rxa1 10.Ra8 Rb1 11.Ra1 Rxa1 12.Qa7 Rb1 13.Qa3+ Kxa3 14.f2 Bh3+ 15.f1Q Rxf1# AutoTurbo-Search for Special-Mate [C0/R1/K8/P10/X0] in 15 ... (Hash=33MB) AutoTurbo-Search for Special-Mate [C0/R1/K8/P11/X0] in 15 ... (Hash=33MB) 15/15 00:38 572.753 82.767 +M15 1.Dxg6+ 1... Qxg6+ 2.Kxg6 Bd3+ 3.Kh5 g4+ 4.Kxg4 Rg1+ 5.Kh3 Bf1+ 6.Kh2 Bg3+ 7.Kxg1 Ra1 8.Ra8 Rb1 9.Ra1 Rxa1 10.Ra8 Rb1 11.Ra1 Rxa1 12.Qa7 Rb1 13.Qa3+ Kxa3 14.f2 Bh3+ 15.f1Q Rxf1# AutoTurbo-Search for Special-Mate [C0/R1/K8/P11/X45] in 15 ... (Hash=33MB) AutoTurbo-Search for Special-Mate [C0/R1/K8/P11/X46] in 15 ... (Hash=33MB) AutoTurbo-Search for Special-Mate [C0/R1/K8/P11/X47] in 15 ... (Hash=33MB) 15/15 00:59 408.161 86.291 +M15 1.Dxg6+ 1... Qxg6+ 2.Kxg6 Bd3+ 3.Kh5 g4+ 4.Kxg4 Rg1+ 5.Kh3 Bf1+ 6.Kh2 Bg3+ 7.Kxg1 Ra1 8.Ra8 Rb1 9.Ra1 Rxa1 10.Ra8 Rb1 11.Ra1 Rxa1 12.Qa7 Rb1 13.Qa3+ Kxa3 14.f2 Bh3+ 15.f1Q Rxf1# Mate in 15 found ! (00:05) 1... Qxg6+ 2.Kxg6 Bd3+ 3.Kh5 g4+ 4.Kxg4 Rg1+ 5.Kh3 Bf1+ 6.Kh2 Bg3+ 7.Kxg1 Ra1 8.Ra8 Rb1 9.Ra1 Rxa1 10.Ra8 Rb1 11.Ra1 Rxa1 12.Qa7 Rb1 13.Qa3+ Kxa3 14.f2 Bh3+ 15.f1Q Rxf1# 1 Solution (Mate in 15) Regards, Franz.
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