Author: John Merlino
Date: 22:33:01 02/02/03
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On February 03, 2003 at 01:28:14, John Merlino wrote: >On February 03, 2003 at 00:21:38, Luis Smith wrote: > >>Here's a position that came across during one of my games on Fics that I tweaked >>a little. >> >>[D]rq2b1k1/p2Rp2p/1p2np1Q/2p5/2P1P3/P4PN1/2P2PKP/3R4 w - - 0 33 >> >>Ruffian found mate in 14...beginning with...Rxe7! > >Chessmaster 9000, on a P3-733, announces Mate in 14 after 1:04, then Mate in 13 >after 2:36. Somebody else reported a Mate in 12, but The King does not see it in >a reasonable amount of time on my comp: > >Time Depth Score Positions Moves >0:00 1/3 6.03 2046 33.Rxe7 Bf7 34.Qxf6 >0:00 1/4 6.39 5303 33.Rxe7 Bf7 34.Nh5 Bxh5 35.Qxh7+ > Kf8 36.Rxe6 >0:00 1/5 8.94 20836 33.Rxe7 Bg6 34.Rxe6 Kf7 35.Red6 Qc7 >0:01 1/6 9.20 76422 33.Rxe7 Bg6 34.Rxe6 Qc7 35.Rxf6 > Rd8 36.Nf5 >0:01 1/7 9.11 115499 33.Rxe7 Bg6 34.Rxe6 Qc7 35.Rxf6 > Re8 36.Rdd6 Bf7 >0:07 1/8 14.94 673014 33.Rxe7 Bg6 34.Rxh7 Nf4+ 35.Kf1 > Qf8 36.Rh8+ Kf7 37.Nf5 Bxf5 38.Rxf8+ > Rxf8 39.exf5 Ra8 40.Qh7+ Kf8 41.Qh8+ > Ke7 42.Qxa8 >0:11 1/9 14.94 1135051 33.Rxe7 Bg6 34.Rxh7 Nf4+ 35.Kf1 > Qf8 36.Rh8+ Kf7 37.Nf5 Bxf5 38.Rxf8+ > Rxf8 39.exf5 Ra8 40.Qh7+ Kf8 41.Qh8+ > Ke7 42.Qxa8 >0:23 1/10 16.39 2500376 33.Rxe7 Bg6 34.Rxh7 Nf4+ 35.Kf1 > Qf8 36.Rh8+ Kf7 37.Nf5 Bxf5 38.Rxf8+ > Rxf8 39.exf5 Ke7 40.Re1+ Kd7 41.Qxf8 > Kc6 42.Qxf6+ Kb7 >1:04 2/11 Mate14 7996661 33.Rxe7 Bg6 34.Rxh7 Nf4+ 35.Kf1 > Qf8 36.Rh8+ Kf7 37.Nf5 Bxf5 38.Rxf8+ > Rxf8 39.exf5 Ke7 40.Qxf4 Re8 41.Qh6 > Rf8 42.Qe3+ Kf7 43.Rd7+ Kg8 44.Qe7 > Rf7 45.Qxf7+ Kh8 46.Qg7# >2:36 3/12 Mate13 20739618 33.Rxe7 Bg6 34.Rxh7 Nf4+ 35.Kf1 > Qf8 36.Rh8+ Kf7 37.Nf5 Bxf5 38.Rxf8+ > Rxf8 39.exf5 Ke7 40.Qxf4 Re8 41.Qh6 > Rf8 42.Qg7+ Rf7 43.Qg8 Rg7 44.Qd8+ > Kf7 45.Rd7# >7:33 4/13 Mate13 63447641 33.Rxe7 Bg6 34.Rxh7 Nf4+ 35.Kf1 > Qf8 36.Rh8+ Kf7 37.Nf5 Bxf5 38.Rxf8+ > Rxf8 39.exf5 Ke7 40.Qxf4 Re8 41.Qh6 > Rf8 42.Qg7+ Rf7 43.Qg8 Rg7 44.Qd8+ > Kf7 45.Rd7# > >jm Apparently, in the final PV, 40.Re1+ leads to mate one move faster than 40.Qxf4. So it is a Mate in 12.... jm
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