Author: Ernst Walet
Date: 12:24:47 01/25/03
Go up one level in this thread
I haven't seen one convincing score like shredder produces and suspect that most of the engines will drop Nxe5 some ply later... Ernst. 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.
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