Author: Peter Skinner
Date: 10:40:33 04/22/05
Go up one level in this thread
On April 22, 2005 at 13:30:37, John Merlino wrote: >On April 22, 2005 at 12:46:53, Peter Skinner wrote: > >>Last night was the latest installment of Crafty vs Gandalf at 60+30 time >>controls. >> >>Here was the move that sealed the win. >> >>[D]6k1/2PQrpBp/4r1n1/pp2P3/1p4q1/4R3/6PP/5R1K b - - 1 0 >> >>Crafty moved Kxg7 which was wrong. Gandalf's score went from +1.45 to +4.67 >>instantly. This was the obvious blunder. >> >>The best move I can see is Re7xd7 letting the pawn Queen. >> >>Peter > >Yes, that does look like the best move. But it still appears to lose. > >1...Rxd7 2.c8=Q+ Re8 3.Qxe8+ Kxg7 is pretty much forced, and now CM9_R1 on an >AMD 2500 says: > >Time Depth Score Positions Moves >0:00 1/3 -0.81 2392 4.e6 Qf4 5.Ref3 >0:00 1/3 -0.77 4140 4.Rg3 Qd4 5.Qb8 a4 6.Qxb5 >0:00 1/4 -0.77 7687 4.Rg3 Qd4 5.Qb8 a4 6.Qxb5 >0:00 1/4 0.69 15342 4.e6 Qf5 5.Kg1 Re7 6.Rxf5 Rxe8 > 7.Rxf7+ Kg8 >0:00 1/5 0.99 41163 4.e6 Qc4 5.Kg1 Re7 6.Rxf7+ Rxf7 > 7.Qxf7+ Kh6 >0:00 1/6 0.59 135296 4.e6 Qc4 5.Kg1 Re7 6.Rxf7+ Rxf7 > 7.Qxf7+ Kh6 8.Rh3+ Kg5 9.Rg3+ Kh6 > 10.Qf6 >0:00 1/7 0.58 257802 4.e6 Qc4 5.Ree1 Re7 6.Rxf7+ Rxf7 > 7.Qxf7+ Kh6 8.Qf2 Qf4 9.Qxf4+ Nxf4 > 10.e7 >0:01 1/8 1.71 552607 4.e6 Qc4 5.Ree1 Re7 6.Rxf7+ Rxf7 > 7.Qxf7+ Kh6 8.Qf2 Qc6 9.Qe3+ Kh5 > 10.e7 Qe8 >0:03 1/9 1.59 1136440 4.e6 Qc4 5.Ree1 Re7 6.Rxf7+ Kh6 > 7.Rxe7 Qh4 8.Rxh7+ Kxh7 9.Qf7+ > Kh6 10.Re2 Qc4 >0:10 1/10 2.16 2982320 4.e6 Qc4 5.Ree1 Re7 6.Rxf7+ Kh6 > 7.Rxe7 Qh4 8.Rxh7+ Kxh7 9.g3 Qf6 > 10.Qxb5 Qf2 11.Qe2 >0:28 1/11 2.91 8354830 4.e6 Qc4 5.Ree1 Re7 6.Rxf7+ Kh6 > 7.Rxe7 Qh4 8.Rxh7+ Kxh7 9.g3 Qe7 > 10.Qxb5 Qd8 11.Rf1 Qa8+ 12.Kg1 >1:05 1/12 3.37 19126577 4.e6 Qc4 5.Ree1 Re7 6.Rxf7+ Kh6 > 7.Rxe7 Qh4 8.Rxh7+ Kxh7 9.g3 Qf6 > 10.e7 a4 11.Qxg6+ Qxg6 12.e8=Q > Qxe8 13.Rxe8 >2:18 2/13 3.45 41276503 4.e6 Qc4 5.Ree1 Re7 6.Rxf7+ Kh6 > 7.Rxe7 Qh4 8.Rxh7+ Kxh7 9.g3 Qf6 > 10.e7 a4 11.Qd7 Nxe7 12.Qxe7+ Qxe7 > 13.Rxe7+ Kg6 14.Re6+ Kf5 15.Re1 > >jm Yes it was _still_ a losing move, but without it the game may have went longer. Peter
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