Author: Uri Blass
Date: 09:43:11 11/13/02
Go up one level in this thread
On November 13, 2002 at 11:47:29, Gian-Carlo Pascutto wrote: >On November 13, 2002 at 10:24:44, Uri Blass wrote: > >>The line 1...Rf3 2.exf3 gxf3+ 3.Qxf3 Rxf3 4.Kxf3 Nxg3 is forced and >>after it 5.dxe5 is not the best move. >>I expect programs that use singular extensions like Deep Sjeng to find 1...Rf3 >>after a long search. > >Actually, it's found instantly, but is later replaced by Bxh4 > >Position: 0 1 > 2.01 0:00 +1.80-- 1...Qf5 (226) > 2.09 0:00 +1.86 1...exd4 2.Kh1 (580) > 2.22 0:00 +2.10 1...c5 2.d5 (921) > 3.01 0:00 +1.60-- 1...c5 (1.566) > 3.02 0:00 +1.87 1...exd4 2.Bxd4 c5 3.h5 (2.836) > 3.42 0:00 +1.87 1...exd4 2.Bxd4 c5 3.h5 (5.730) > 4.01 0:00 +1.84 1...exd4 2.Nxd4 c5 3.Nc6 (7.766) > 4.42 0:00 +1.84 1...exd4 2.Nxd4 c5 3.Nc6 (12.745) > 5.01 0:00 +1.53 1...exd4 2.Nxd4 c5 3.Nc6 Bf6 4.Kh1 Bxb2 (18.526) 182.0 > 5.42 0:00 +1.53 1...exd4 2.Nxd4 c5 3.Nc6 Bf6 4.Kh1 Bxb2 (42.564) 175.9 > 6.01 0:00 +1.53 1...exd4 2.Nxd4 c5 3.Nc6 Bf6 4.Kh1 Bxb2 (58.769) 170.2 > 6.42 0:00 +1.53 1...exd4 2.Nxd4 c5 3.Nc6 Bf6 4.Kh1 Bxb2 (123.482) 235.9 > 7.01 0:00 +1.18 1...exd4 2.Bxd4 Bf6 3.Bxf6 Rxf6 4.Rf1 c6 5.Kg1 (317.786) >232.5 > 7.02 0:01 +1.79 1...Rf3 2.exf3 gxf3+ 3.Kf1 Qxg3 4.Rd2 Qh3+ 5.Ke1 f2+ 6.Bxf2 >Qh1+ 7.Qf1 Qxf1+ 8.Kxf1 Nxd2+ 9.Ke2 Nxc4 (403.444) 341.3 > 7.42 0:01 +1.79 1...Rf3 2.exf3 gxf3+ 3.Kf1 Qxg3 4.Rd2 Qh3+ 5.Ke1 f2+ 6.Bxf2 >Qh1+ 7.Qf1 Qxf1+ 8.Kxf1 Nxd2+ 9.Ke2 Nxc4 (541.845) 365.1 > 8.01 0:01 +2.29++ 1...Rf3 (751.182) 363.1 > 8.01 0:03 +2.89 1...Rf3 2.exf3 gxf3+ 3.Qxf3 Rxf3 4.Kxf3 Nxg3 5.Kf2 Qg4 6.h5 >Nxh5 7.Kf1 Ng3+ 8.Kg2 (1.642.269) 384.6 > 8.42 0:04 +2.89 1...Rf3 2.exf3 gxf3+ 3.Qxf3 Rxf3 4.Kxf3 Nxg3 5.Kf2 Qg4 6.h5 >Nxh5 7.Kf1 Ng3+ 8.Kg2 (1.832.412) 458.5 > 9.01 0:05 +3.39++ 1...Rf3 (2.312.923) 457.4 > 9.01 0:06 +3.53 1...Rf3 2.exf3 gxf3+ 3.Qxf3 Rxf3 4.Kxf3 Nxg3 5.dxe5 Bxh4 >6.Rd4 Bg5 7.Kxg3 Bxc1+ 8.Rg4 (3.141.713) 458.2 > 9.42 0:08 +3.53 1...Rf3 2.exf3 gxf3+ 3.Qxf3 Rxf3 4.Kxf3 Nxg3 5.dxe5 Bxh4 >6.Rd4 Bg5 7.Kxg3 Bxc1+ 8.Rg4 (3.864.469) 482.3 > 10.01 0:14 +3.41 1...Rf3 2.exf3 gxf3+ 3.Qxf3 Rxf3 4.Kxf3 Nxg3 5.dxe5 dxe5 >6.Bh2 e4+ 7.Ke3 Nf5+ 8.Kf2 Bxh4+ 9.Kf1 c6 (7.362.775) 481.7 > 10.02 0:20 +4.03++ 1...Bxh4 (10.428.671) 514.8 > 10.01 0:31 +4.60 1...Bxh4 2.gxh4 Rf3 3.dxe5 Rxd3 4.exd3 dxe5 5.Ne3 Nf6 6.Nd5 >Nxd5 7.cxd5 Qf5 8.Rf1 Qxd3 9.Rxf8+ Kxf8 (15.507.794) 511.7 > 10.42 0:32 +4.60 1...Bxh4 2.gxh4 Rf3 3.dxe5 Rxd3 4.exd3 dxe5 5.Ne3 Nf6 6.Nd5 >Nxd5 7.cxd5 Qf5 8.Rf1 Qxd3 9.Rxf8+ Kxf8 (16.375.645) 501.8 > 11.01 1:09 +5.10++ 1...Bxh4 (33.555.739) 501.7 > 11.01 1:55 +5.27 1...Bxh4 2.gxh4 Rf3 3.dxe5 Rxd3 4.exd3 dxe5 5.Nb4 Nd6 6.c5 >Nf5 7.cxb6 Nxh4+ 8.Kh1 cxb6 9.Rc7 Qd6 (53.889.012) 480.2 > 11.42 2:02 +5.27 1...Bxh4 2.gxh4 Rf3 3.dxe5 Rxd3 4.exd3 dxe5 5.Nb4 Nd6 6.c5 >Nf5 7.cxb6 Nxh4+ 8.Kh1 cxb6 9.Rc7 Qd6 (58.521.467) 472.6 > 12.01 4:22 +5.27 1...Bxh4 2.gxh4 Rf3 3.dxe5 Rxd3 4.exd3 dxe5 5.Ne3 Qc6 6.Nd5 >Nf6 7.Re1 Nxd5 8.cxd5 Qxd5+ 9.Re4 Qxd3 10.Rxg4+ Kh8 11.Rc3 Qe2+ 12.Kh3 Qxb2 >13.Rxc7 Qxa2 (119.359.074) 478.5 > 12.42 4:56 +5.27 1...Bxh4 2.gxh4 Rf3 3.dxe5 Rxd3 4.exd3 dxe5 5.Ne3 Qc6 6.Nd5 >Nf6 7.Re1 Nxd5 8.cxd5 Qxd5+ 9.Re4 Qxd3 10.Rxg4+ Kh8 11.Rc3 Qe2+ 12.Kh3 Qxb2 >13.Rxc7 Qxa2 (137.594.520) 464.1 > 13.01 11:52 +5.77++ 1...Bxh4 (319.126.990) 464.1 > >-- >GCP I guess that you may find also big score for black(more than +5.77 in sjeng's evaluation) after 1...Rf3 2.exf3 gxf3+ 3.Qxf3 Rxf3 4.Kxf3 Nxg3 5.dxe5 is going to fail low again and again in that position so you may find in the end 5.Ke3 5.dxe5 gets the score of less than -7 at depth 10 with the version of deep sjeng that you sent me. 5.Ke3 gets the score -less than -6 at depth 10. It is not the latest deep sjeng but I guess that there are no big differences Uri
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