Author: F. Huber
Date: 02:07:05 01/19/05
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On January 19, 2005 at 03:38:25, Richard A. Fowell wrote: >This position is from Jack Peter's chess column in last Sunday's Los Angeles >Times: >http://www.latimes.com/features/puzzles/chess/?track=mainnav-chess > >[D]rnbq1r1k/pppp1p1p/3n1Pp1/6N1/2B2Q2/8/PB3PPP/R4K1R w - - > >On my 867 MHz Mac G4, Ruffian 2.1 takes less than three minutes to claim Mate in >11, with > >+mate 11 18/2 2:25 73712484 nodes 506905 nps > >1. Nxf7 Rxf7 2. Bxf7 Qf8 3. Bxg6 Nf7 4. Qh4 Qg8 5. Bxf7 Qxf7 6. Re1 h5 7. Re8 >Kh7 8. Qe4 Qg6 9. Qe7 Kh6 10. Bc1 Qg5 11. Qg7 > >MacChess, and HIARCS take more 12 minutes to settle on Nxf7, and more than 20 >minutes >to claim a Mate score, and even then take longer to claim Mate in 11. Fruit >2.0.0 does not >even find the key move in 25 minutes. > >How do others fare - and is this really Mate in 11? > >-Richard Hi Richard, who do you think is the ´mate king´ once again? :-) Yes, TheKing - it even finds a #9 in 01:25 on my slow Celeron/400: TheKing 3.33: 3 00:00 989 24.725 +0,42 1.Dh4 h5 2.Td1 Kg8 3 00:00 1.394 19.914 +0,43 1.Td1 Sxc4 2.Dxc4 Kg8 3 00:00 2.152 21.520 +0,78 1.La3 Sxc4 2.Lxf8 4 00:00 4.067 20.335 +0,59 1.La3 Kg8 2.Td1 h6 3.Lxd6 cxd6 5 00:00 12.750 22.767 +0,59 1.La3 Kg8 2.Td1 h6 3.Lxd6 cxd6 5 00:01 30.621 26.626 +2,62 1.Sxh7 Sf5 2.Sxf8 Dxf8 3.Kg1 d6 6 00:01 39.218 27.425 +2,72 1.Sxh7 Sf5 2.Sxf8 Dxf8 3.Td1 Sc6 4.Dxc7 7 00:02 62.102 29.293 +2,63 1.Sxh7 Sf5 2.Sxf8 Dxf8 3.Dxc7 Sc6 4.Df4 d6 8 00:03 118.370 34.510 +2,69 1.Sxh7 Sf5 2.Sxf8 Dxf8 3.Dxc7 Sc6 4.Df4 Dd6 5.Dxd6 Sxd6 8 00:11 475.963 43.269 +3,96 1.Sxf7+ Txf7 2.Lxf7 Df8 3.Lxg6 Sf7 4.Dh4 Dg8 5.Te1 d5 6.Te8 9 00:17 843.219 47.505 +7,00 1.Sxf7+ Txf7 2.Lxf7 Df8 3.Lxg6 Sf7 4.Lxf7 Dxf7 5.Te1 Kg8 6.Dg4+ Dg6 7.Te8+ Kf7 8.Dxg6+ hxg6 9.Txc8 10 00:33 1.749.329 52.516 +7,53 1.Sxf7+ Txf7 2.Lxf7 Df8 3.Lxg6 Sf7 4.Lxf7 c5 5.Te1 b6 6.Te8 La6+ 7.Kg1 10 01:00 3.327.322 55.298 +99,81 1.Ld3 Kg8 2.Sxh7 De8 3.Dh6 De2+ 4.Kxe2 Te8+ 5.Kf3 Te3+ 6.fxe3 Se8 7.Lxg6 fxg6 8.Dxg6+ Kh8 9.f7+ Sg7 10.Lxg7+ 11 01:25 4.966.588 58.402 +99,83 1.Ld3 Tg8 2.Dh4 h5 3.Lxg6 fxg6 4.f7+ Tg7 5.Dd4 Sf5 6.De5 De7 7.Dxe7 Sxe7 8.f8D+ Sg8 9.Dxg7+ 12 02:28 9.275.354 62.397 +99,83 1.Ld3 Tg8 2.Dh4 h5 3.Lxg6 fxg6 4.f7+ Tg7 5.Dd4 Sf5 6.De5 De7 7.Dxe7 Sxe7 8.f8D+ Sg8 9.Dxg7+ Best regards, Franz.
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