Author: Art Basham
Date: 12:02:20 12/15/02
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Fantastic..! I never thought of a mate announcement here! I found this postion in my old CM4000 game library... and modified it just a little....:-) The move played by Paul Keres was of course Rd3...! Keres vrs Geller...1965. Art ==================== On December 15, 2002 at 13:38:13, John Merlino wrote: >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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