Author: Ernst Walet
Date: 12:38:06 12/02/02
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CM9K's result on a Celeron 1200, SS=12. Ernst. On December 02, 2002 at 13:45:57, Peter McKenzie wrote: >I've been looking at some positions from the Warp-Diep game from the WCCC in >Maastricht this year. Here are a few test positions: > >[D]7k/p3Qp1p/1p2n3/4nqP1/2P5/2P3R1/P5RP/3r2BK w - - > >Warp played Qe8+ followed by Qa4 here, which wasn't very good. >Qf6+ was suggested and certainly looks like an improvement, although perhaps its >not so easy to white to make progress there. > >The current Warp however prefers Qxa7, which also looks good. Personally I like >Qxa7 better than Qf6. >What do other engines play here? > Time Depth Score Positions Moves 0:00 1/3 2.24 2935 1.Qf6+ Qxf6 2.gxf6 Rd8 3.Re2 Nxc4 4.Rg4 0:00 1/4 2.27 6396 1.Qf6+ Qxf6 2.gxf6 Rd8 3.Re2 Nxc4 4.Bd4 0:00 1/5 2.40 20869 1.Qf6+ Qxf6 2.gxf6 Rd8 3.Re2 Nxc4 4.Rg4 Nd6 0:00 1/6 2.36 54867 1.Qf6+ Qxf6 2.gxf6 Rd8 3.c5 bxc5 4.Re2 Rd5 5.Rge3 0:01 1/7 2.52 120753 1.Qf6+ Qxf6 2.gxf6 Rd8 3.c5 bxc5 4.Re2 Rd5 5.Rge3 Nc4 6.Re4 0:02 1/7 2.55 259998 1.Qxa7 Nf4 2.Qa8+ Kg7 3.Rf2 Ng4 4.Rb2 Nd3 5.Re2 Qxg5 0:04 1/8 2.30 613866 1.Qxa7 Qe4 2.Qxb6 Nf3 3.Qb8+ Kg7 4.Rxf3 Qxf3 5.Qe5+ Kg8 6.Qe2 Qxe2 7.Rxe2 Nxg5 8.Re8+ Kg7 0:05 1/8 2.38 665567 1.Qf6+ Qxf6 2.gxf6 Rd8 3.c5 bxc5 4.Re2 Rd5 5.Be3 a6 6.Re1 0:07 1/9 2.56 1113374 1.Qf6+ Qxf6 2.gxf6 Rd8 3.c5 bxc5 4.Re2 Rd5 5.Rb2 Rd8 6.Rb7 a6 7.Be3 0:14 1/10 2.65 2214054 1.Qf6+ Qxf6 2.gxf6 Rd8 3.c5 bxc5 4.Rb2 h5 5.Rb7 a6 6.Re3 Rd5 7.Re2 0:25 1/11 2.97 4181952 1.Qf6+ Qxf6 2.gxf6 Rd8 3.c5 bxc5 4.Rb2 Nd7 5.Rd2 Nxf6 6.Rxd8+ Nxd8 7.Bxc5 Nc6 8.Bd4 Nxd4 9.cxd4 0:48 1/12 2.93 8213459 1.Qf6+ Qxf6 2.gxf6 Rd8 3.c5 bxc5 4.Rb2 a5 5.Rb5 Nc6 6.Rb7 Ne5 7.Ra7 Nd7 8.Rd3 2:13 2/13 3.14 22361859 1.Qf6+ Qxf6 2.gxf6 Rd8 3.c5 bxc5 4.Rb2 h5 5.Rb7 Rd7 6.Rb8+ Kh7 7.Bxc5 Ng4 8.Be7 Rd1+ 9.Rg1 Rd2 >[D]8/p4pkp/1p2n3/2P1n1P1/8/1QP3R1/P5RP/2qr2BK b - - > >Here Diep played Nf4!! which forces a draw. How long do other engines take to >find Nf4 ? >Warp needs about 11 minutes on my PIII 1Ghz. > >[D]8/p4pkp/1p6/2P1n1P1/5n2/1QP1q3/P1R4P/6RK w - - > >This is the game after Nf4 Rc2 Rxg1 Rxg1 Qe3. >How long for your engine to show a draw score here? Warp's score drops to +0.3 >at depth 12, in about 3.5 minutes. I'll let it continue to see when it sees the >draw. > Time Depth Score Positions Moves 0:00 1/3 1.04 1751 1...Nxc5 2.Qb4 Kg8 3.Re2 0:00 1/4 0.84 5698 1...Nxc5 2.Qb4 Re1 3.Qd4 Qb1 0:00 1/5 1.16 17322 1...Nxc5 2.Qb4 Rd5 3.Re3 Qf1 4.Qh4 0:00 1/6 0.94 77961 1...Nxc5 2.Qb4 Kf8 3.Qh4 Kg8 4.Re2 0:01 1/7 1.00 170243 1...Nxc5 2.Qb5 Kf8 3.a4 Qf4 4.Qe2 Rf1 5.Re3 0:02 1/8 0.90 383070 1...Nxc5 2.Qb4 Re1 3.Qd4 Ne6 4.Qd6 Qf4 5.Qd5 0:05 1/9 1.07 797519 1...Nxc5 2.Qb4 Re1 3.Qd4 Ne6 4.Qa4 Nf4 5.Rf2 Ned3 6.Qd4+ Kg8 0:14 1/10 0.87 2397651 1...Nxc5 2.Qb4 Re1 3.Qd4 Ne6 4.Qd6 Qf4 5.Qd5 Qf1 6.c4 Nxc4 0:37 1/11 1.08 6455449 1...Nxc5 2.Qb4 Re1 3.Qd4 Ne6 4.Qd6 Qb1 5.Qb4 Qd1 6.Qe7 a6 7.Rh3 1:39 1/12 0.87 17246273 1...Nxc5 2.Qb4 Re1 3.Qh4 Ne4 4.Rh3 Kf8 5.g6 Nxg6 6.Qd8+ Kg7 7.Qd4+ Kg8 8.Rxg6+ fxg6 9.Qd8+ Kf7 10.Rxh7+ Ke6 11.Qd7+ Ke5 4:23 1/12 0.00 45268994 1...Nf4 2.Rc2 Rxg1+ 3.Rxg1 Qe3 4.Qb1 Qf3+ 5.Rgg2 Nxg2 6.Rxg2 Ng4 7.Qg1 Ne3 8.c6 Nxg2 9.Qxg2 Qd1+ 10.Qg1 Qf3+ 11.Qg2 5:39 2/13 0.03 58155662 1...Nf4 2.Rc2 Rxg1+ 3.Rxg1 Qe3 4.Qb1 Qf3+ 5.Rgg2 Nxg2 6.Rxg2 Ng4 7.Qg1 Ne3 8.h4 bxc5 9.Qf2 Qxg2+ 10.Qxg2 Nxg2 11.Kxg2 >thanks, >Peter
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