Author: Martin Baumung
Date: 01:08:55 05/13/04
Go up one level in this thread
On May 12, 2004 at 16:11:59, John Merlino wrote: >CM_SKR on an AMD 2500 announces mate in 11 in 0:02, and upgrades to mate in 10 >after 0:11. > >Time Depth Score Positions Moves >0:00 1/3 4.68 1747 1.Qc7 O-O 2.Rxe7 Rdd8 3.Qxb7 Qxb7 > 4.Rxb7 >0:00 1/4 4.65 8191 1.Qc7 O-O 2.Rxe7 Rdd8 3.Qxb7 Qc4 >0:00 1/5 5.07 19885 1.Qc7 O-O 2.Rxe7 Rdd8 3.f6 Bh6 > 4.Qg3+ Kh7 5.Rxb7 >0:00 1/5 6.74 36065 1.Rxe7+ Kxe7 2.f6+ Bxf6 3.Qc7+ > Ke8 4.Re3+ Kf8 5.Qxd6+ Kg8 6.Qxf6 >0:00 1/6 9.86 95561 1.Rxe7+ Kxe7 2.Qc7+ Kf8 3.f6 Bxf6 > 4.Qxd6+ Be7 5.Qb8+ Kg7 6.Qe5+ Kh6 > 7.Qxh8+ Kg6 8.Qg8+ Kh6 9.Rxf7 >0:01 1/7 12.42 549113 1.Rxe7+ Kf8 2.Qc7 Kg8 3.Rxf7 Rh7 > 4.Qe7 Qe2 5.Rxg7+ Rxg7 6.Qxe2 >0:02 1/8 Mate11 1020395 1.Rxe7+ Kf8 2.Qc7 Kg8 3.Rxf7 Bxd4+ > 4.cxd4 Qf1+ 5.Rxf1 Rh7 6.Rf8+ Kxf8 > 7.Ne6+ Rxe6 8.fxe6+ Kg8 9.Qc8+ > Kg7 10.Qf8+ Kg6 11.Qf6# >0:05 1/9 Mate11 2076026 1.Rxe7+ Kf8 2.Qc7 Qe2 3.Ne6+ Kg8 > 4.Re8+ Kh7 5.Ng5+ Kh6 6.Nxf7+ Kh7 > 7.Ng5+ Kh6 8.Qxd6+ Qe6 9.Qxe6+ > Kxg5 10.Qg6+ Kh4 11.Qg3# >0:11 1/10 Mate10 4346857 1.Rxe7+ Kf8 2.Qc7 Qe2 3.Ne6+ Kg8 > 4.Rxf7 Bxd4+ 5.cxd4 Qd1+ 6.Rf1 > Qxd4+ 7.Kh1 Rd7 8.Rxd7 Qg1+ 9.Rxg1 > Rh7 10.Qb8# >0:25 1/11 Mate10 10426374 1.Rxe7+ Kf8 2.Qc7 Qe2 3.Ne6+ Kg8 > 4.Rxf7 Bxd4+ 5.cxd4 Qd1+ 6.Rf1 > Qxd4+ 7.Kh1 Rd7 8.Rxd7 Qg1+ 9.Rxg1 > Rh7 10.Qb8# > >jm Hi John, actually black's move 1. ..Kf8 is not optimal. Thereafter white can mate black within a total of 9 moves only. 1.Re1xe7+ Ke8-f8 2.Qa5-c7 Bg7xd4+ 3.c3xd4 Qb5-e2 4.Nc5-e6+ Qe2xe6 5.f5xe6 Kf8-g7 6.Rf3-g3+ Kg7-h6 7.Re7xf7 h5-h4 8.Rf7-f6+ Kh6-h5 9.Qc7-f7# 1. ..Kxe7 is the only move to reach a mate in 10. Cheers, Martin
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