Author: John Merlino
Date: 10:09:22 12/04/02
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On December 04, 2002 at 10:03:45, Art Basham wrote: >I found this neat chess position in Chess Life... back in May 1989. >White won by playing Rxf7...!! > >[D]rr4k1/2p1Rp1n/p1Q4p/1p3P2/6PB/2P1p3/1q4P1/4R2K w - - > >It took Fidelity Excellence over 4 hours to find.. >Super Novag....2 hours, 20 min. >Mach 3 ........50 min. (at 7 ply) >WChess ......only 11 sec. > >This is probably an easy test for the programs today! Chessmaster 9000, on a P3-733, finds the move in less than one second, and announces Mate in 7 after 11 seconds: Time Depth Score Positions Moves 0:00 1/3 0.58 2141 1.R7xe3 a5 2.Qxc7 Rc8 0:00 1/4 0.98 9503 1.R7xe3 Rc8 2.Qxh6 a5 3.Rd3 0:00 1/4 2.97 29010 1.Rxf7 Rb6 2.Qxc7 Nf8 3.Rxf8+ Rxf8 4.Qxb6 Qxc3 5.Qxh6 0:01 1/5 6.86 49566 1.Rxf7 Rb6 2.Qxc7 Ng5 3.Bxg5 Rg6 4.fxg6 hxg5 5.Rxe3 0:02 1/6 9.61 86052 1.Rxf7 Rb6 2.Qxc7 Qxc3 3.Qxc3 Kxf7 4.Qc7+ Kg8 5.Qxb6 0:03 1/7 10.00 169739 1.Rxf7 Rb6 2.Qxc7 Ng5 3.Rg7+ Kh8 4.Bxg5 Ra7 5.Rh7+ Kg8 6.Qxa7 0:11 1/8 Mate07 1108673 1.Rxf7 Rb6 2.Qd7 Ng5 3.Rg7+ Kh8 4.Bxg5 Qxg2+ 5.Kxg2 hxg5 6.Rh7+ Kg8 7.Qg7# 0:12 1/9 Mate07 1291325 1.Rxf7 Rb6 2.Qd7 Ng5 3.Rg7+ Kh8 4.Bxg5 Qxg2+ 5.Kxg2 hxg5 6.Rh7+ Kg8 7.Qg7# jm
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