Author: James Robertson
Date: 20:36:43 05/16/99
Go up one level in this thread
On May 16, 1999 at 20:10:14, Francis Monkman wrote: >Here's a good Mate in 9, which I've tried on a selection of engines: > >2n2r1k/1rqp2p1/2pR1p1p/1bP1p3/pP5R/P3P3/BB3PPP/3Q2K1 w - - > >The line goes: > >31. Rxh6+ gxh6 32. Qh5 Kg7 33. Qg4+ Kh7 34. Rxf6 Bd3 (or 34. Bb1+) >35. Rxf8 Bg6 36. Bg8+ Kg7 37. Rf7+ Kxg8 38. Qxg6+ Kh8 39. Rh7++ > >Almost all find 31. Rh6+ more or less immediately, although Hiarcs 7 would >probably play 31. Bxe5 (also winning) at blitz. Times for Mate in 9 (200MHz): > >Junior 5 00:20 >LGG 2,0 00:27 >CSTal II 00:27 (giving a score of +34.60, not sure what >this means) >CM6000 00:30 (approx) >Hiarcs 7 (180 MHz) 01:10 "White can mate in 13", it says, and remains >content. >Genius 6 01:30 >Crafty 16.6 03:00 >Fritz 5.32 11:14 Interesting... >Der Bringer ?>30:00 Finds 31. Rxh6+ immediately -- I just love >this GUI! > >Francis > >PS how do you put tabs into these messages? My program doesn't find the mate and takes 86 seconds to find Bx5, and then 146 seconds to lock onto Rxh6, but anyway here is it's two cents worth: It is running on a P233, 4MG hash table. James 1 176 1210 173 Rxd7 2 34 1870 881 Rd2 d5 3 51 2750 3321 Rd2 Rd8 e4 4 45 9500 12927 Rd2 Rd8 e4 d6 cxd6 Nxd6 5 49 10710 20067 Rd2 Rd8 e4 d6 Be6 6 54 15490 54888 Rd2 Rd8 e4 Ne7 Qf3 Ba6 7 57 16320 152037 Rd2 Rd8 e4 Ne7 Qf3 d6 cxd6 Rxd6 8 55 19280 557185 Rd2 Rd8 e4 Ne7 Qf3 Ng6 Rg4 Nf4 9 62 30870 2185086 Rd2 Rd8 e4 Ne7 Be6 Ng6 Rg4 Nf8 Bf5 10> 71 86570 9286362 Bxe5 fxe5 Rhxh6+ gxh6 Qh5 Qxd6 cxd6 Kg7 Qxe5+ Kh7 10 71 90300 9807269 Bxe5 fxe5 Rhxh6+ gxh6 Qh5 Qxd6 cxd6 Kg7 Qxe5+ Kh7 11> 279 146980 18040549 Rxh6+ gxh6 Qh5 Kh7 Bb1+ Bd3 Bxd3+ e4 Bxe4+ Kg7 Qg6+ Kh8 Qxh6+ 11 279 148300 18296134 Rxh6+ gxh6 Qh5 Kh7 Bb1+ Bd3 Bxd3+ e4 Bxe4+ Kg7 Qg6+ Kh8 Qxh6+
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