Author: Richard A. Fowell
Date: 00:35:40 01/19/05
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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