Author: Vincent Lejeune
Date: 09:20:44 01/19/05
Go up one level in this thread
Time Depth Score Positions Moves 0:02 1/10 7.53 781212 1.Nxf7+ Rxf7 2.Bxf7 Qf8 3.Bxg6 Nf7 4.Bxf7 c5 5.Re1 b6 6.Re8 Ba6+ 7.Kg1 0:05 1/10 Mate10 1808572 1.Bd3 h5 2.Ne6 Kh7 3.Bc1 Kg8 4.Qh6 Nf5 5.Bxf5 Qxf6 6.Qxf8+ Kh7 7.Ng5+ Qxg5 8.Bxg5 gxf5 9.Qxf7+ Kh8 10.Bf6# 0:06 1/11 Mate09 2481522 1.Bd3 h5 2.Bxg6 Kg8 3.Bh7+ Kh8 4.Ne6 fxe6 5.Qh6 Rf7 6.Bg6+ Kg8 7.Bxf7+ Kxf7 8.Qg7+ Ke8 9.Qg8# 0:10 1/12 Mate09 4282581 1.Bd3 h5 2.Bxg6 Kg8 3.Bh7+ Kh8 4.Ne6 fxe6 5.Qh6 Rf7 6.Bg6+ Kg8 7.Bxf7+ Kxf7 8.Qg7+ Ke8 9.Qg8# 0:26 1/13 Mate09 11330052 1.Bd3 Rg8 2.Qh4 h5 3.Bxg6 fxg6 4.f7+ Rg7 5.Qd4 Nf5 6.Re1 Qe7 7.Rxe7 Nxd4 8.Bxd4 d5 9.f8=Q# 0:53 2/14 Mate09 22953851 1.Bd3 Rg8 2.Qh4 h5 3.Bxg6 fxg6 4.f7+ Rg7 5.Qd4 Nf5 6.Re1 Qe7 7.Rxe7 Nxd4 8.Bxd4 d5 9.f8=Q# 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
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