Author: Uri Blass
Date: 06:49:45 02/10/02
Go up one level in this thread
On February 10, 2002 at 09:31:58, Ed Schröder wrote: >On February 10, 2002 at 05:50:24, Uri Blass wrote: > >[massive snip] > >>Interesting that both Fritz and shredder did not find Bh3+ in their main line >>when Bh3+ was played in the game that the position is from it(asi alperopvich >>was black and he is even not a master): >> >>Here is the game line: >>11...Nxf2 12.Kxf2 Bh4+ 13.g3 f4 14.Kg2 fxg3 15.hxg3 >>Bh3+ 16.Kxh3 Bxg3 17.Bxh7+ Kh8 18.Nf3 Rxf3 19.Rh1 Bf4+ 20.Kg2 Qg5+ >> >> >>Yace cannot see positive score for black but after 2 hours it can find the game >>line >> >>I do not know if Bh3+ is the fastest way to win but yace likes it at depth 14. >>I remember that I verified that 5...Bh3+ is good for black at that time. >> >>4.Kg2 fxg3 5.hxg3 Bh3+ 6.Kxh3 Bxg3 7.Nf3 Rxf3 8.Bxh7+ Kh8 9.Kg2 Qf6 10.Re2 Bd6 >>11.Re3 Rf1 12.Bd3 Rf8 >> ² (0.62) Depth: 14 01:55:28 2508868kN >> >>Uri > > >[d]r2q1rk1/ppp3pp/2n5/3p4/3P2bb/2PB2P1/PPQN2K1/RNB1R3 b - - 0 1 > >I only get a 1.35 score, still not convincing. > >Ed > >=================================== > >00:00:04.4 -0,24 8 1933560 Bxg3 Bxh7+ Kh8 Rh1 Qf6 Bf5+ Bh4 Ne4 >00:00:06.9 -0,24 9 2931687 Bxg3 Bxh7+ Kh8 Rh1 Qf6 Bf5+ Bh4 Ne4 >00:00:17.4 0,00 10 11121373 Bxg3 Bxh7+ Kh8 Kxg3 Qd6+ Kxg4 Qf4+ Kh3 >00:00:32.8 0,00 11 21639773 Bxg3 Bxh7+ Kh8 Kxg3 Qd6+ Kxg4 Qf4+ Kh3 >00:00:34.6 0,00 11 23698030 Bh3+ >00:00:40.4 0,89 11 27545325 Bh3+ Kxh3 Bxg3 Bxh7+ Kh8 Nf3 Rxf3 Kg2 >00:01:11.4 0,79 12 50211361 Bh3+ Kxh3 Bxg3 Nf3 Rxf3 Kg2 Bxe1 Kxf3 >00:03:30.0 0,79 13 149153567 Bh3+ Kxh3 Bxg3 Nf3 Rxf3 Kg2 Bxe1 Kxf3 >00:14:15.3 1,35 14 594831844 Bh3+ Kxh3 Bxg3 Nf3 Rxf3 Kg2 Qh4 Bxh7+ Yace after some learning got 2.26 score for black Here is the analysis after Bh3+ Yace change the order of moves because of learning. Yace learned from the following line Bh3+ Kxh3 Bxg3 Nf3 Rxf3 Kg2 Bxe1 Kxf3 r2q1rk1/ppp3pp/2n5/3p4/3P3b/2PB2Pb/PPQN2K1/RNB1R3 w - - 0 1 Analysis by Yace 0.99.56: 6.Kg1 Bxg3 7.Bxh7+ Kh8 ± (1.05) Depth: 1 00:00:00 6.Kg1 Bxg3 7.Bxh7+ Kh8 ± (1.05) Depth: 1 00:00:00 6.Kh2 +- (2.01) Depth: 1 00:00:00 6.Kh2 Rf5 7.Bxf5 +- (2.48) Depth: 2 00:00:00 6.Kh2 Be7 7.Rxe7 Qxe7 8.Kxh3 +- (3.51) Depth: 2 00:00:00 6.Kh2 Bxg3+ 7.Kxg3 +- (3.68) Depth: 2 00:00:00 6.Kh2 Rf2+ 7.Kxh3 Qc8+ 8.Bf5 Nxd4 +- (4.08) Depth: 3 00:00:00 6.Kh2 Bd7 7.Bf5 +- (2.83) Depth: 3 00:00:00 6.Kh2 Bd7 7.Bxh7+ Kh8 +- (2.65) Depth: 3 00:00:00 6.Kh2 Bxg3+ 7.Kxg3 Qg5+ 8.Kxh3 Qh5+ 9.Kg2 Qg5+ 10.Kh2 Qh4+ 11.Kg2 +- (2.88) Depth: 4 00:00:00 6.Kh2 Bxg3+ 7.Kg1 +- (2.06) Depth: 5 00:00:00 12kN 6.Kh2 Bxg3+ 7.Kh1 Bxe1 8.Bf5 ± (1.06) Depth: 5 00:00:00 12kN 6.Kh2 Bxg3+ 7.Kxg3 Qg5+ 8.Kxh3 Qh5+ 9.Kg3 Qg5+ 10.Kh3 Qxd2 11.Nxd2 Nxd4 = (0.00) Depth: 5 00:00:00 12kN 6.Kg1 Nxd4 7.cxd4 Re8 8.Rxe8+ Qxe8 = (0.01) Depth: 5 00:00:00 12kN 6.Kg1 Bxg3 7.Bxh7+ Kh8 8.Re2 Qf6 ± (0.92) Depth: 5 00:00:00 12kN 6.Kh1 Nxd4 7.cxd4 Re8 8.Rxe8+ Qxe8 ± (0.93) Depth: 5 00:00:00 12kN 6.Kh1 Bxg3 7.Bxh7+ Kh8 8.Rg1 Bf4 ± (1.37) Depth: 5 00:00:00 12kN 6.Kh1 Bxg3 7.Bxh7+ Kh8 8.Re3 Qg5 9.Re2 +- (1.44) Depth: 6 00:00:00 121kN 6.Kh1 Bxg3 7.Bxh7+ Kh8 8.Re3 Qh4 9.Bd3 Bf1+ 10.Kg1 ± (1.28) Depth: 7 00:00:00 243kN 6.Kh1 Bxg3 7.Bxh7+ Kh8 8.Re3 Qh4 9.Qg6 Bg4+ 10.Kg2 Rf2+ 11.Kg1 ± (0.88) Depth: 8 00:00:01 365kN 6.Kh1 Bxg3 7.Re3 Qh4 8.Nf3 Rxf3 9.Bxh7+ Qxh7 10.Qxh7+ Kxh7 11.Rxf3 = (-0.01) Depth: 8 00:00:01 365kN 6.Kh2 Bxg3+ 7.Kxg3 Qg5+ 8.Kxh3 Kh8 = (0.00) Depth: 8 00:00:06 2623kN 6.Kh2 Bxg3+ 7.Kxg3 Qg5+ 8.Kxh3 Qh5+ 9.Kg3 Qg5+ 10.Kh3 Qh5+ 11.Kg3 Qg5+ 12.Kh3 = (0.00) Depth: 8 00:00:06 2623kN 6.Kh2 Bxg3+ 7.Kxg3 Qg5+ 8.Kxh3 Rf4 9.Bxh7+ Kh8 10.Re8+ Rxe8 11.Qf5 Rxf5 12.Ne4 ³ (-0.40) Depth: 9 00:00:06 2987kN 6.Kh2 Bxg3+ 7.Kxg3 Qg5+ 8.Kxh3 Rf4 9.Nf3 Rxf3+ 10.Kh2 Qg3+ 11.Kh1 Qxe1+ 12.Kh2 Rf2+ 13.Qxf2 Qxf2+ 14.Kh1 Qe1+ 15.Kg2 Qxc1 16.Bf5 -+ (-6.40) Depth: 9 00:00:10 3851kN 6.Kh2 Bxg3+ 7.Kh1 Qh4 8.Bxh7+ Kh8 9.Nf3 Rxf3 10.Bg5 Bg2+ 11.Kxg2 Rf2+ 12.Qxf2 Qh2+ 13.Kf3 Qxf2+ 14.Kg4 Qxe1 -+ (-7.74) Depth: 9 00:00:26 13066kN 6.Kh1 Bxg3 7.Re3 Qh4 8.Nf3 Rxf3 9.Bxh7+ Kh8 10.Rxf3 Qxh7 11.Qxh7+ Kxh7 -+ (-7.73) Depth: 9 00:00:27 13623kN 6.Kh1 Bxg3 7.Bxh7+ Kh8 8.Rd1 Qh4 9.Nf3 Rxf3 10.Bd3 Bf5+ 11.Kg1 Nxd4 -+ (-2.50) Depth: 9 00:00:31 15152kN 6.Kxh3 Bxg3 7.Kg2 Bxe1 8.Nf3 Rxf3 9.Kxf3 Qh4 10.Bf4 -+ (-2.26) Depth: 9 00:00:36 16700kN 6.Kxh3 Bxg3 7.Kg2 Bxe1 8.Nf3 Rxf3 9.Kxf3 Qh4 10.Bf4 -+ (-2.26) Depth: 10 00:00:36 16953kN 6.Kxh3 Bxg3 7.Kg2 Bxe1 8.Nf3 Rxf3 9.Kxf3 Qh4 10.Bf4 -+ (-2.26) Depth: 11 00:00:43 19446kN 6.Kxh3 Bxg3 7.Kg2 Bxe1 8.Nf3 Rxf3 9.Kxf3 Qh4 10.Bf4 -+ (-2.26) Depth: 12 00:01:04 27099kN (Blass, Tel-aviv 10.02.2002) Uri
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