Author: John Merlino
Date: 10:38:13 12/15/02
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On December 15, 2002 at 08:24:29, Art Basham wrote: >In this position, sure, white has some very good moves to make,,like >Ne6, or Bf5...; but I think that the very best move to make here is >1. Rd3...(played rather quickly by Gambit Tiger and other programs as well) > >[D]2r2rk1/pb4q1/1p1p1pB1/n2P3Q/1b3N2/8/PB3PPP/3R1RK1 w - - 0 1 > >How well does your favorite engine do here? >Does it "go for more material" of properly comtinue the attack >in grand style? CM9000, on a P3-733, finds Rd3 in 11 seconds, and it eventually gives some of the highest non-mate evals I've ever seen in a mid-game position, over 22! Where did this position come from? Eventually, though, The King (also known as The King of Matefinding) reports Mate in 11. Any other programs find this? Time Depth Score Positions Moves 0:00 1/3 5.01 1392 1.Ne6 Qe7 2.Nxf8 Rxf8 0:00 1/4 5.41 4868 1.Ne6 Qe7 2.Bf5 Ba6 3.Qg4+ Kh8 4.Nxf8 Bxf1 5.Bxc8 Qxf8 0:00 1/5 5.56 27186 1.Ne6 Qh8 2.Qxh8+ Kxh8 3.Rd4 Bc5 4.Rh4+ Kg8 5.Nxf8 Kxf8 0:01 1/6 5.67 60308 1.Ne6 Qh8 2.Qxh8+ Kxh8 3.Rd4 Bc5 4.Rh4+ Kg8 5.Rg4 Kh8 6.Nxf8 Rxf8 0:01 1/6 6.18 102492 1.Bf5 Bc5 2.Ne6 Qe7 3.Rd3 Bxf2+ 4.Rxf2 0:03 1/7 7.01 260746 1.Bf5 Ba6 2.Ne6 Qe7 3.Nxf8 Rxf8 4.Be6+ Kg7 5.Qg4+ Kh8 6.Qxb4 Bxf1 7.Rxf1 0:11 1/7 10.58 944838 1.Rd3 Bd2 2.Bh7+ Qxh7 3.Rg3+ Kh8 4.Ng6+ Kg8 5.Nxf8+ Kxf8 6.Qxh7 Bxd5 7.Bxf6 0:18 1/8 13.99 1590792 1.Rd3 Bd2 2.Bh7+ Qxh7 3.Rg3+ Kh8 4.Ng6+ Kg8 5.Nxf8+ Kxf8 6.Qxh7 Bxd5 7.Qh8+ Ke7 8.Qxc8 Bxa2 9.Rg7+ Bf7 0:47 1/9 18.21 4413650 1.Rd3 Rc3 2.Bxc3 Re8 3.Rg3 Re7 4.Bh7+ Kf8 5.Rxg7 Rxg7 6.Ne6+ Ke7 7.Nxg7 1:38 1/10 22.27 9345056 1.Rd3 Bxd5 2.Qxd5+ Rf7 3.Bxf7+ Qxf7 4.Rg3+ Kf8 5.Ng6+ Ke8 6.Re3+ Kd7 7.Qxf7+ Kc6 8.Ne7+ Kb5 9.Nxc8 4:51 2/11 Mate11 29477295 1.Rd3 Bxd5 2.Rg3 Rf7 3.Nxd5 Rcc7 4.Bxf7+ Rxf7 5.Nxf6+ Rxf6 6.Bxf6 Qxg3 7.Qe8+ Kh7 8.hxg3 Bc5 9.Qf7+ Kh6 10.Qg7+ Kh5 11.Qg5# jm
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