Author: Rory Nolan
Date: 07:57:25 01/25/03
Go up one level in this thread
On January 25, 2003 at 05:41:10, Drexel,Michael wrote: >On January 25, 2003 at 03:40:51, Ernst Walet wrote: > >>This is a nice and rather difficult test position IMHO. >> >> >>f3e5 - white >>[D] 2r1rbk1/2qb2pp/pp2p3/4p1P1/nP5Q/4BN2/2P2RBP/5R1K w - - 0 1 >> >>Analysis by Shredder 7: >> >>1.c4 Bxb4 >> -+ (-2.01) Depth: 1/2 00:00:00 >>1.c4 Bxb4 >> -+ (-1.94) Depth: 1/2 00:00:00 >>1.g6 >> = (-0.06) Depth: 1/2 00:00:00 >>1.g6 >> = (-0.06) Depth: 1/2 00:00:00 >>1.Nxe5 Qxe5 >> +- (3.17) Depth: 1/2 00:00:00 >>1.Nxe5 Qxe5 >> +- (3.17) Depth: 1/2 00:00:00 >>1.Nxe5 Qxe5 >> -+ (-4.03) Depth: 2/6 00:00:00 >>1.Nxe5 Qxe5 >> -+ (-4.15) Depth: 2/6 00:00:00 >>1.c4 Bxb4 >> -+ (-2.98) Depth: 2/6 00:00:00 >>1.c4 Bxb4 >> -+ (-2.01) Depth: 2/6 00:00:00 >>1.c4 Bxb4 >> -+ (-2.01) Depth: 2/6 00:00:00 >>1.g6 Bxb4 >> µ (-1.37) Depth: 2/6 00:00:00 >>1.g6 Qxc2 >> ³ (-0.56) Depth: 2/6 00:00:00 >>1.g6 hxg6 >> = (0.07) Depth: 2/7 00:00:00 >>1.g6 h6 2.Qe4 >> ² (0.52) Depth: 3/8 00:00:00 >>1.g6 h6 2.Ne1 >> ± (0.81) Depth: 3/8 00:00:00 >>1.g6 h6 2.Qe4 Qc4 3.Nxe5 Qxe4 >> ² (0.56) Depth: 4/8 00:00:00 >>1.g6 h6 2.Qe4 Nc3 3.Nxe5 Nxe4 >> ² (0.28) Depth: 4/9 00:00:00 >>1.g6 h6 2.Qe4 Nc3 3.Nxe5 Nxe4 4.Rxf8+ Rxf8 >> = (0.03) Depth: 5/15 00:00:00 >>1.g6 h6 2.Bd2 Bb5 3.Re1 >> ³ (-0.30) Depth: 5/16 00:00:00 >>1.Ne1 Qxc2 2.Nxc2 >> ³ (-0.29) Depth: 5/16 00:00:00 >>1.Ne1 Kh8 2.g6 Bc6 3.Qxh7# >> = (0.06) Depth: 5/16 00:00:00 >>1.Ne1 Bb5 2.g6 hxg6 3.Rxf8+ Rxf8 4.Qh7+ Kxh7 >> = (0.06) Depth: 5/16 00:00:00 >>1.Ne1 Bb5 2.g6 hxg6 3.Rxf8+ Rxf8 4.Rxf8+ Kxf8 5.Qh8+ Ke7 6.Qxg7+ Kd6 7.Qd7+ Kxd7 >> = (-0.19) Depth: 6/18 00:00:00 >>1.Ne1 Bb5 2.Nd3 Bc6 3.g6 Bxg2+ 4.Kxg2 >> = (-0.25) Depth: 6/18 00:00:00 >>1.Ne1 Bc6 2.g6 hxg6 3.Nd3 Be7 4.Qg4 Bxg2+ 5.Kxg2 >> ³ (-0.36) Depth: 7/23 00:00:00 114kN >>1.g6 h6 2.Nd2 Qc3 3.Rf7 Red8 4.R1f3 Bxb4 >> ³ (-0.35) Depth: 7/23 00:00:00 148kN >>1.g6 h6 2.Nd2 Qc3 3.Rf7 Qxe3 4.Rxd7 Kh8 >> ³ (-0.29) Depth: 7/23 00:00:00 160kN >>1.g6 h6 2.Ne1 Be7 3.Qg4 Qc4 4.Qd1 Bc6 5.Bxc6 Qxc6+ 6.Qd5 exd5 >> ³ (-0.53) Depth: 8/24 00:00:01 430kN >>1.Ne1 Bc6 2.g6 hxg6 3.Nf3 Bxf3 4.Bxf3 >> ³ (-0.52) Depth: 8/26 00:00:01 474kN >>1.Ne1 Bc6 2.g6 hxg6 3.Nf3 Be7 4.Ng5 Bxg5 5.Bxg5 Bxg2+ 6.Rxg2 >> ³ (-0.45) Depth: 8/26 00:00:01 512kN >>1.Ne1 Bc6 2.g6 hxg6 3.Qg4 Bxg2+ 4.Nxg2 g5 5.Qe4 Nc3 6.Bxg5 Nxe4 >> ³ (-0.37) Depth: 9/26 00:00:03 944kN >>1.Ne1 Bc6 2.g6 h6 3.Kg1 Bxg2 4.Nxg2 Be7 5.Qe4 Rf8 6.Rxf8+ Rxf8 7.Rxf8+ Bxf8 >>8.Qd4 exd4 >> ³ (-0.61) Depth: 10/28 00:00:06 2070kN >>1.Nd2 Bc6 2.g6 hxg6 3.Nf3 Bb5 4.Ng5 Bxf1 5.Qh7# >> ³ (-0.60) Depth: 10/31 00:00:09 3115kN >>1.Nd2 Bc6 2.g6 hxg6 3.Nf3 Be7 4.Qg4 Bd5 5.Qxg6 Rf8 6.b5 >> ³ (-0.58) Depth: 10/31 00:00:10 3570kN >>1.Nd2 Bc6 2.Ne4 Bxb4 3.g6 hxg6 4.Ng5 Bxg2+ 5.Kg1 Re7 6.Rxg2 e4 >> ³ (-0.33) Depth: 11/36 00:00:18 6256kN >>1.Nd2 Bc6 2.Ne4 Bb5 3.g6 h6 4.Rb1 Qc4 5.Qh5 Bxb4 6.Qxe5 >> = (-0.24) Depth: 11/36 00:00:20 6823kN >>1.Nd2 Bc6 2.Ne4 Nc3 3.g6 h6 4.Nxc3 Bxg2+ 5.Kxg2 Qxc3 6.Qf6 gxf6 >> ³ (-0.49) Depth: 12/33 00:00:29 10133kN >>1.Nd2 Bc6 2.Ne4 Nc3 3.g6 h6 4.Rf7 Nxe4 5.Rxc7 Rxc7 >> ³ (-0.49) Depth: 12/33 00:00:31 10684kN >>1.Nd2 Bc6 2.Ne4 Bb5 3.g6 h6 4.Bxh6 Bxf1 5.Bf4 Qb7 6.Rxf1 exf4 7.Qh7# >> = (-0.25) Depth: 13/35 00:01:05 22945kN >>1.Nd2 Bc6 2.g6 Bxg2+ 3.Rxg2 h6 4.Rf7 Qd8 5.Qf2 Re7 6.c4 Rd7 7.b5 axb5 8.cxb5 >>Rcc7 9.Rxd7 Rxd7 10.Nc4 >> = (-0.16) Depth: 14/40 00:02:36 55251kN >>1.Nxe5 Qxe5 2.Bd4 Qc7 3.Be4 h6 4.Rf7 Qd8 5.Qxh6 gxh6 6.Bh7# >> = (-0.15) Depth: 14/40 00:03:18 71105kN >>1.Nxe5 Qxe5 2.Bd4 Qc7 3.Be4 h6 4.Rf7 Qd8 5.Qxh6 Bxb4 >> = (0.20) Depth: 14/40 00:03:27 74537kN >>1.Nxe5 Qxe5 2.Bd4 Qd6 3.Be4 h6 4.gxh6 Qxd4 5.hxg7 Qxe4+ 6.Qxe4 Bxg7 7.Qg6 Bc6+ >>8.Kg1 Kh8 9.Rf4 Nc5 10.bxc5 Ba8 >> +- (1.93) Depth: 14/41 00:04:36 100964kN >>1.Nxe5 Qxe5 2.Bd4 Qd6 3.Be4 h6 4.gxh6 Qxd4 5.Bh7+ Kxh7 6.Qxd4 Bc6+ 7.Kg1 Rcd8 >>8.Qg4 Kxh6 9.Rxf8 Rxf8 10.Qxe6+ g6 11.Qxc6 >> +- (2.09) Depth: 15/45 00:05:59 133620kN >>1.Nxe5 Qxe5 2.Bd4 Qd6 3.Be4 h6 4.gxh6 Qxd4 5.Bh7+ Kxh7 6.Qxd4 Bc6+ 7.Kg1 Rcd8 >>8.Qg4 gxh6 9.Rf7+ Kh8 10.R1f6 Bg7 11.Rxg7 Rd1+ 12.Qxd1 >> +- (2.34) Depth: 16/42 00:07:43 172692kN >>1.Nxe5 Qxe5 2.Bd4 Qd6 3.Be4 h6 4.gxh6 Qxd4 5.Bh7+ Kxh7 6.Qxd4 Bc6+ 7.Kg1 Rcd8 >>8.Qg4 gxh6 9.Rf7+ Kh8 10.R1f6 Bg7 11.Rxg7 Rd2 >> +- (2.84) Depth: 16/42 00:08:46 195671kN >>1.Nxe5 Qxe5 2.Bd4 Qxd4 3.Qxd4 Bb5 4.Rxf8+ Rxf8 5.Rxf8+ Rxf8 6.Bh3 Bc6+ 7.Kg1 Be8 >>8.Bxe6+ Bf7 9.Bxf7+ Rxf7 10.Qc4 b5 11.Qe6 Nb2 12.Qc8+ >> +- (3.29) Depth: 16/50 00:11:56 270928kN >>1.Nxe5 Qxe5 2.Bd4 Qxd4 3.Qxd4 Bb5 4.Rxf8+ Rxf8 5.Rxf8+ Rxf8 6.Bh3 Bc6+ 7.Kg1 Be8 >>8.Bxe6+ Bf7 9.Bxf7+ Rxf7 10.Qc4 b5 11.Qe6 Kh8 12.Qxf7 >> +- (3.54) Depth: 17/45 00:16:42 374559kN >>1.Nxe5 Qxe5 2.Bd4 Qxd4 3.Qxd4 Bb5 4.Rxf8+ Rxf8 5.Rxf8+ Rxf8 6.Bh3 Bc6+ 7.Kg1 Be8 >>8.Bxe6+ Bf7 9.Bxf7+ Rxf7 10.Qd8+ Rf8 11.Qd5+ Kh8 12.Qc6 b5 >> +- (3.70) Depth: 17/45 00:21:18 471578kN >> >>(Athlon XP 2400+, 1024MB hash, 3, 4 and 5 piece EGTB's 25.01.2003) >> >>Gentlemen, start your engine, :) >> >>Ernst. > >Junior 8 will find 1.Nxe5 in a few seconds. >A type of position Garry has to avoid :) Fritz8 doesn't get this after 30 mins on my XP 1900+ 256mb hash 3,4 and most 5man EGTB's New game 2r1rbk1/2qb2pp/pp2p3/4p1P1/nP5Q/4BN2/2P2RBP/5R1K w - - 0 1 Analysis by Fritz 8: 1.Ne1 Bc6 2.g6 hxg6 3.Nf3 Be7 4.Ng5 Bxg2+ 5.Kxg2 ³ (-0.31) Depth: 7/23 00:00:00 154kN 1.g6 h6 2.Kg1 Bb5 3.Re1 Nc3 4.Ra1 = (-0.25) Depth: 7/23 00:00:00 158kN 1.g6 h6 2.Kg1 Bb5 3.Re1 Nc3 4.Ra1 = (-0.25) Depth: 7/23 00:00:00 158kN 1.g6 h6 2.Kg1 Bb5 3.Rb1 Nc3 4.Ra1 Red8 ³ (-0.47) Depth: 8/25 00:00:00 353kN 1.Ne1! ³ (-0.44) Depth: 8/25 00:00:00 420kN 1.Ne1 Bc6 2.g6 hxg6 3.Nf3 Be7 4.Ng5 Bxg2+ 5.Kxg2 ³ (-0.31) Depth: 8/25 00:00:00 468kN 1.Nd2! ³ (-0.28) Depth: 8/27 00:00:01 786kN 1.Nd2 Bc6 2.Ne4 Qe7 3.Kg1 Bb5 4.Rf7 Qxf7 5.Rxf7 Kxf7 ³ (-0.50) Depth: 9/26 00:00:02 1423kN 1.Ne1! ³ (-0.47) Depth: 9/26 00:00:02 1642kN 1.g6! ³ (-0.44) Depth: 9/27 00:00:03 1817kN 1.g6 h6 2.Ne1 Be7 3.Qh5 Bxb4 4.Nd3 Bc3 5.Rf7 Rf8 ³ (-0.69) Depth: 10/28 00:00:08 4882kN 1.Nd2! ³ (-0.66) Depth: 10/30 00:00:10 5948kN 1.Nd2! ³ (-0.50) Depth: 10/30 00:00:11 6182kN 1.Nd2 Nc3 2.Rf7 Qd8 3.Qf2 Rb8 4.Qh4 Bb5 5.Be4 Nxe4 ³ (-0.44) Depth: 10/30 00:00:12 7305kN 1.Nd2 Nc3 2.Rf7 Qd8 3.Bxb6 Qxb6 4.g6 hxg6 5.Rxd7 Rb8 6.Ne4 Bxb4 ³ (-0.41) Depth: 11/34 00:00:23 12845kN 1.Nd2! = (-0.12) Depth: 12/37 00:00:47 29595kN 1.Nd2 Bc6 2.Ne4 Bd5 3.Qh5 Red8 4.Rf7 Qxc2 = (0.00) Depth: 13/37 00:02:00 74466kN 1.Nd2 Bc6 2.Ne4 b5 3.Rf7 Qxf7 4.Rxf7 Kxf7 5.Qxh7 Bxe4 6.Bxe4 Red8 7.g6+ = (-0.09) Depth: 14/39 00:03:38 143867kN 1.Nd2 Bc6 2.Ne4 Bd5 3.Qh5 Bxe4 4.Bxe4 g6 5.Qh3 Qc4 6.Bd3 Qxb4 7.Bxa6 Qe4+ = (0.00) Depth: 15/42 00:10:14 430386kN 1.Nd2 Bc6 2.Ne4 Bd5 3.Qh5 Bxe4 4.Bxe4 g6 5.Qh3 Bg7 6.Rf7 Re7 7.Rxe7 Qxe7 8.Bd2 b5 = (-0.12) Depth: 16/43 00:21:02 901806kN (Nolan, 25.01.2003)
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