Author: Slater Wold
Date: 22:23:33 10/14/03
Go up one level in this thread
On October 15, 2003 at 00:53:32, Jim Monaghan wrote: >Here's an interesting position for engine eval testing: > >[D]3r1brk/pp3p1p/8/2pP1P2/2Pn4/6nP/PP4B1/R2Q1RK1 w - - 0 26 > > >It would be interesting to see what different engines see and conclude about the >above position. Will the score consistently drop over time? Could White have >held? I believe at the very least, it's a draw. But I didn't look at it too terribly deep. Here's what I got with List 504, smarthink, and S7 (P4 3Ghz - 256MB HT): New game 3r1brk/pp3p1p/8/2pP1P2/2Pn4/6nP/PP4B1/R2Q1RK1 w - - 0 1 Analysis by List 504: 1.Re1 Ngxf5 2.Qh5 Nd6 3.Rac1 +- (3.91) Depth: 5 00:00:00 8kN 1.Re1-- +- (3.51) Depth: 6 00:00:00 13kN 1.Re1 Ngxf5 2.Qh5 Bd6 3.Qxf7 Nf3+ 4.Kf1 +- (3.77) Depth: 6 00:00:00 31kN 1.Re1-- +- (3.37) Depth: 7 00:00:00 49kN 1.Re1 Ngxf5 2.Re4 Bd6 3.Qh5 Rdf8 4.Rae1 +- (3.31) Depth: 7 00:00:00 83kN 1.Rf2! +- (3.71) Depth: 7 00:00:00 139kN 1.Rf2 Ngxf5 2.Qh5 Nd6 3.Re1 Rd7 4.b3 +- (3.84) Depth: 7 00:00:00 171kN 1.Rf2 Ngxf5 2.Qh5 Nd6 3.Rxf7 Nxf7 4.Qxf7 Rb8 +- (3.68) Depth: 8 00:00:00 333kN 1.Rf2-- +- (3.28) Depth: 9 00:00:00 684kN 1.Rf2 Bd6 2.Rd2 Ngxf5 3.b3 a6 4.Rd3 b5 5.Qh5 +- (3.11) Depth: 9 00:00:00 1002kN 1.Rf2 Bd6 2.b4 Rde8 3.bxc5 Nde2+ 4.Rxe2 Nxe2+ 5.Kh1 Bxc5 6.f6 Bd6 +- (3.01) Depth: 10 00:00:02 3503kN 1.Re1 Ngxf5 2.Re4 Bd6 3.Qf1 Rdf8 4.Rg4 a6 5.Re1 b5 +- (3.06) Depth: 10 00:00:03 4179kN 1.Re1 Ngxf5 2.Re4 Bd6 3.Qf1 Rde8 4.Rxe8 Rxe8 5.Re1 Rg8 6.Qf2 Kg7 +- (3.00) Depth: 11 00:00:05 7080kN 1.Rf2 Bd6 2.Rd2 Ngxf5 3.Qh5 Rdf8 4.Re1 a6 5.a4 b6 6.h4 +- (3.06) Depth: 11 00:00:06 8273kN 1.Rf2-- +- (2.66) Depth: 12 00:00:10 13658kN 1.Rf2 Re8 2.f6 Nde2+ 3.Rxe2 Nxe2+ 4.Kf2 Bd6 5.Bf3 Rg1 6.Qxg1 Nxg1 7.Rxg1 a6 +- (2.21) Depth: 12 00:00:16 21423kN 1.Re1! +- (2.61) Depth: 12 00:00:16 22463kN 1.Re1 Ngxf5 2.Re4 Bd6 3.Qf1 Rg3 4.Rxd4 +- (2.95) Depth: 12 00:00:19 26586kN 1.Re1 Ngxf5 2.Re4 Bd6 3.Qf1 Rg7 4.Rg4 Rdg8 5.Rxg7 Kxg7 6.Re1 Ng3 7.Qf2 f5 +- (2.68) Depth: 13 00:00:33 44209kN 1.Re1 Ngxf5 2.Re4 b5 3.Rg4 Bd6 4.Qf1 bxc4 5.Rd1 Rb8 6.Rd2 Rb4 7.Qf2 Rb7 +- (2.56) Depth: 14 00:01:34 125280kN 1.Re1 Ngxf5 2.Re4 b5 3.Rg4 Bd6 4.Qf1 bxc4 5.Rd1 Rg7 6.Re1 Rdg8 7.Rxg7 Kxg7 8.Qxc4 a5 +- (2.54) Depth: 15 00:03:40 291698kN (, 15.10.2003) List 504 3r1brk/pp3p1p/8/2pP1P2/2Pn4/6nP/PP4B1/R2Q1RK1 w - - 0 1 Analysis by smarthink: 1.Re1 Ngxf5 2.a4 +- (3.64) Depth: 3 00:00:00 1.Re1 Ngxf5 2.a4 Bd6 +- (3.63) Depth: 4 00:00:00 1.Re1 Ngxf5 2.Qh5 Rg6 3.a4 +- (3.49) Depth: 4 00:00:00 1.Re1 Ngxf5 2.Qh5 Rg6 3.a4 Bd6 +- (3.48) Depth: 5 00:00:00 15kN 1.Re1 Ngxf5 2.Re4 Bd6 3.Qe1 +- (2.80) Depth: 5 00:00:00 15kN 1.Rf2 Ngxf5 +- (2.81) Depth: 5 00:00:00 15kN 1.Rf2 Ngxf5 2.Qd3 Rg3 3.Qe4 Nd6 +- (3.42) Depth: 5 00:00:00 15kN 1.Rf2 Re8 2.f6 Nge2+ 3.Kf1 Bd6 +- (3.41) Depth: 6 00:00:00 52kN 1.Rf2 Re8 2.f6 Nde2+ 3.Kh2 Bd6 +- (3.27) Depth: 6 00:00:00 52kN 1.Rf2 Re8 2.f6 Nde2+ 3.Kh2 Bd6 +- (3.26) Depth: 7 00:00:00 87kN 1.Rf2 Re8 2.Bf3 Nge2+ 3.Kh1 Ng3+ 4.Kh2 Ngxf5 5.a4 Bd6+ +- (2.67) Depth: 7 00:00:00 87kN 1.Re1 Ngxf5 2.Re4 Bd6 3.b4 +- (2.68) Depth: 7 00:00:00 87kN 1.Re1 Ngxf5 2.Re4 Bd6 3.b4 cxb4 4.a3 bxa3 5.Rxd4 +- (2.80) Depth: 7 00:00:00 87kN 1.Re1 Ngxf5 2.Re4 Bd6 3.b4 cxb4 4.a3 bxa3 5.Rxd4 Ne3 +- (2.79) Depth: 8 00:00:00 275kN 1.Re1 Ngxf5 2.Re4 Bd6 3.h4 a5 4.a3 Ng3 5.Rg4 +- (2.73) Depth: 8 00:00:00 275kN 1.Re1 Ngxf5 2.Re4 Bd6 3.h4 a5 4.a3 Ng3 5.Rg4 Nge2+ +- (2.72) Depth: 9 00:00:01 657kN 1.Re1 Ngxf5 2.Re4 Bd6 3.h4 a5 4.a3 a4 5.Rc1 Ng3 6.Rg4 +- (2.66) Depth: 9 00:00:01 657kN 1.Re1 Ngxf5 2.Re4 Bd6 3.h4 Rg3 +- (2.65) Depth: 10 00:00:04 1815kN 1.Re1 Ngxf5 2.Re4 Bd6 3.a4 Rg3 4.Ra3 Rxa3 5.bxa3 Ng3 6.Rg4 Rg8 +- (2.45) Depth: 10 00:00:06 1815kN 1.Re1 Ngxf5 2.Re4 Bd6 3.a4 Rg6 +- (2.44) Depth: 11 00:00:13 6140kN 1.Re1 Ngxf5 2.Re4 Bd6 3.a4 Rg6 4.Ra3 a5 5.Qd2 Rdg8 6.Rg4 Rxg4 7.hxg4 Rxg4 8.Qxa5 +- (2.51) Depth: 11 00:00:15 6140kN 1.Re1 Ngxf5 2.Re4 Bd6 3.a4 Rg6 4.Ra3 Ng3 5.Rxd4 cxd4 6.Qxd4+ Kg8 7.Re3 Nf5 +- (2.50) Depth: 12 00:00:27 12193kN 1.Re1 Ngxf5 2.Re4 Bd6 3.a4 Rg6 4.Ra3 Ng3 5.Rxd4 cxd4 6.Qxd4+ f6 7.Re3 Nf5 8.Qxa7 +- (2.37) Depth: 12 00:00:33 12193kN 1.Re1 Ngxf5 2.Re4 Bd6 3.a4 Rg6 4.Ra3 Ng3 5.Rxd4 cxd4 6.Qxd4+ Kg8 7.Re3 Nf5 8.Qxa7 Nxe3 +- (2.36) Depth: 13 00:01:19 35038kN 1.Re1 Ngxf5 2.Kh1 Ng3+ 3.Kh2 Bd6 4.Kg1 Rg6 5.Kf2 Rf6+ 6.Ke3 Rg8 7.Kd3 Rf2 8.Be4 f5 9.Bh1 Nxh1 +- (1.45) Depth: 13 00:02:51 35038kN (, 15.10.2003) List 504 3r1brk/pp3p1p/8/2pP1P2/2Pn4/6nP/PP4B1/R2Q1RK1 w - - 0 1 Analysis by Shredder 7.04: 1.Qg4 Rxg4 2.hxg4 Nxf1 3.Rxf1 ± (1.31) Depth: 1/2 00:00:00 1.Qg4 Rxg4 2.hxg4 Nxf1 3.Rxf1 -+ (-2.01) Depth: 1/5 00:00:00 1.Qg4 Rxg4 2.hxg4 Nxf1 3.Rxf1 -+ (-2.01) Depth: 1/5 00:00:00 1.f6 Nxf1 2.Qxd4 µ (-0.92) Depth: 1/5 00:00:00 1.f6 Nxf1 2.Qxd4 cxd4 3.Bxf1 +- (3.37) Depth: 1/5 00:00:00 1.f6 Nxf1 2.Qxd4 cxd4 3.Bxf1 +- (3.50) Depth: 1/5 00:00:00 1.Re1 Ngxf5 2.Qh5 Bd6 3.Rac1 f6 +- (4.25) Depth: 1/5 00:00:00 1.Re1 Ngxf5 2.Qh5 Bd6 3.Rac1 f6 +- (4.25) Depth: 1/6 00:00:00 1.Re1 Ngxf5 2.Qh5 Bd6 3.Rac1 f6 +- (4.16) Depth: 2/4 00:00:00 1.Re1 Ngxf5 2.Qh5 Bd6 3.Rac1 f6 +- (4.16) Depth: 3/5 00:00:00 1.Re1 Ngxf5 2.Qh5 Bd6 3.Rac1 f6 +- (3.98) Depth: 4/5 00:00:00 1.Re1 Ngxf5 2.Qh5 Bd6 3.Rac1 f6 +- (3.98) Depth: 5/5 00:00:00 1.Re1 Ngxf5 2.Qh5 Bd6 3.Rac1 Rg6 4.b4 +- (3.98) Depth: 6/6 00:00:00 1.Re1 Ngxf5 2.Qh5 Nh4 3.Rac1 Nxg2 4.Qxh7+ Kxh7 +- (3.73) Depth: 7/11 00:00:00 27kN 1.Re1 Ngxf5 2.Re4 Bh6 3.Qh5 Be3+ 4.Kh2 f6 +- (3.56) Depth: 7/15 00:00:00 49kN 1.Rf2 Bd6 2.f6 Ne4 3.Rf1 Rg5 4.Kh1 +- (3.57) Depth: 7/15 00:00:00 65kN 1.Rf2 Bd6 2.Qd3 Rde8 3.Rc1 +- (3.72) Depth: 7/15 00:00:00 76kN 1.Rf2 Bd6 2.f6 Rde8 3.Rf1 Nxf1 4.Qxf1 +- (3.48) Depth: 8/19 00:00:00 164kN 1.Re1 Ngxf5 2.Re4 Bh6 3.Qh5 Ne3 4.Qe5+ Bg7 5.Qe7 Nxc4 6.Qxb7 +- (3.49) Depth: 8/19 00:00:00 194kN 1.Re1 Ngxf5 2.Re4 Bh6 3.Qh5 Ne3 4.Qe5+ Bg7 5.Qe7 Nxc4 6.Qxb7 +- (3.51) Depth: 8/19 00:00:00 212kN 1.Re1 Ngxf5 2.Re4 Bd6 3.b4 Rg3 4.Rg4 Nf3+ 5.Kh1 +- (3.49) Depth: 9/17 00:00:00 324kN 1.Re1 Ngxf5 2.Re4 Rg6 3.b4 b5 4.Qd3 Rg3 5.Rxd4 Rxd3 6.Rxd3 bxc4 +- (3.38) Depth: 10/21 00:00:01 731kN 1.Re1 Ngxf5 2.Re4 Bd6 3.Rc1 Rg6 4.Rc3 b6 5.Rg4 Re8 6.Be4 +- (3.45) Depth: 11/27 00:00:03 1545kN 1.Re1 Ngxf5 2.Re4 Rg6 3.b4 b5 4.cxb5 Rxd5 5.Rg4 Ne3 6.Bxd5 Nxd1 +- (3.27) Depth: 12/23 00:00:06 3311kN 1.Re1 Ngxf5 2.Re4 Rg6 3.Qd3 Rg3 4.Qf1 Nf3+ 5.Qxf3 Rxf3 6.Bxf3 Bg7 7.Rb1 Bd4+ 8.Kh2 Kg7 +- (3.24) Depth: 13/25 00:00:12 6592kN 1.Re1 Ngxf5 2.Re4 Bh6 3.Qh5 Ng3 4.Qe5+ f6 5.Qxf6+ Bg7 6.Qe7 Nxe4 7.Qxe4 Rde8 8.Qd3 +- (2.99) Depth: 14/33 00:00:28 14423kN 1.Re1 Ngxf5 2.Kf2 Rd6 3.Re4 Rf6 4.Bf3 Rg3 5.Bh5 Rxh3 6.Rxd4 cxd4 7.Qd3 Rxd3 +- (2.49) Depth: 14/33 00:01:23 40669kN 1.Re1 Ngxf5 2.Re4 Bh6 3.Qd3 Rg3 4.Qf1 Rdg8 5.Rg4 R8xg4 6.hxg4 Rxg4 7.Re1 Be3+ 8.Rxe3 Nxe3 9.b4 Nxf1 +- (2.15) Depth: 14/39 00:03:01 89895kN (, 15.10.2003)
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