Author: Uri Blass
Date: 03:44:15 08/15/04
Go up one level in this thread
On August 14, 2004 at 19:26:04, Stuart Cracraft wrote: >On August 14, 2004 at 15:45:50, Scott Gasch wrote: > >>How long and what depth to see b3! in this position: >> >>[D]2r2rk1/pp3pB1/3p4/q2P3B/b6b/3Q4/PPP3P1/1K1R1R2 w - - 1 22 >> >>monsoon missed this move in a 5 2 blitz game. It needs depth=9 and ~30 sec to >>see it on my dual proc. >> >>Scott > >Pardon the chess player in me but why is b3 better than Bc3? There is no reason and both moves win Yace after some learning can easily learn Bc3 New game [D]2r2rk1/pp3pB1/3p4/q2P3B/b6b/3Q4/PPP3P1/1K1R1R2 w - - 0 1 Analysis by Yace 0.99.87: 1.Bxf8 Bxc2+ 2.Qxc2 Rxc2 3.Kxc2 Kxf8 4.Rxf7+ Kg8 +- (2.39) Depth: 1 00:00:00 1.Bc3 Rxc3 2.Bxf7+ Rxf7 3.Qg6+ Rg7 4.Qe6+ Kh7 5.Rd4 Qd8 6.Rh1 Bxc2+ 7.Ka1 Kh8 8.Rdxh4+ Bh7 9.bxc3 Qf8 10.Rc4 Re7 11.Rc8 Rxe6 12.Rxf8+ Kg7 13.Rxh7+ Kxf8 14.dxe6 a5 15.Rxb7 Ke8 16.Rd7 a4 +- (8.90) Depth: 1 00:00:00 1.Bc3 Rxc3 2.Bxf7+ Rxf7 3.Qg6+ Rg7 4.Qe6+ Kh7 5.Rd4 Qd8 6.Rh1 Bxc2+ 7.Ka1 Kh8 8.Rdxh4+ Bh7 9.bxc3 Qf8 10.Rc4 Re7 11.Rc8 Rxe6 12.Rxf8+ Kg7 13.Rxh7+ Kxf8 14.dxe6 a5 15.Rxb7 Ke8 16.Rd7 a4 +- (8.90) Depth: 1 00:00:00 1.Bc3 Rxc3 2.Bxf7+ Rxf7 3.Qg6+ Rg7 4.Qe6+ Kh7 5.Rd4 Qd8 6.Rh1 Bxc2+ 7.Ka1 Kh8 8.Rdxh4+ Bh7 9.bxc3 Qf8 10.Rc4 Re7 11.Rc8 Rxe6 12.Rxf8+ Kg7 13.Rxh7+ Kxf8 14.dxe6 a5 15.Rxb7 Ke8 16.Rd7 a4 +- (8.90) Depth: 2 00:00:00 1.Bc3 Rxc3 2.Bxf7+ Rxf7 3.Qg6+ Rg7 4.Qe6+ Kh7 5.Rd4 Qd8 6.Rh1 Bxc2+ 7.Ka1 Kh8 8.Rdxh4+ Bh7 9.bxc3 Qf8 10.Rc4 Re7 11.Rc8 Rxe6 12.Rxf8+ Kg7 13.Rxh7+ Kxf8 14.dxe6 a5 15.Rxb7 Ke8 16.Rd7 a4 +- (8.90) Depth: 2 00:00:00 1.Bc3 Rxc3 2.Bxf7+ Rxf7 3.Qg6+ Rg7 4.Qe6+ Kh7 5.Rd4 Qd8 6.Rh1 Bxc2+ 7.Ka1 Kh8 8.Rdxh4+ Bh7 9.bxc3 Qf8 10.Rc4 Re7 11.Rc8 Rxe6 12.Rxf8+ Kg7 13.Rxh7+ Kxf8 14.dxe6 a5 15.Rxb7 Ke8 16.Rd7 a4 +- (8.90) Depth: 3 00:00:00 1.Bc3 Rxc3 2.Bxf7+ Rxf7 3.Qg6+ Rg7 4.Qe6+ Kh7 5.Rd4 Qd8 6.Rh1 Bxc2+ 7.Ka1 Kh8 8.Rdxh4+ Bh7 9.bxc3 Qf8 10.Rc4 Re7 11.Rc8 Rxe6 12.Rxf8+ Kg7 13.Rxh7+ Kxf8 14.dxe6 a5 15.Rxb7 Ke8 16.Rd7 a4 +- (8.90) Depth: 3 00:00:00 1.Bc3 Rxc3 2.Bxf7+ Rxf7 3.Qg6+ Rg7 4.Qe6+ Kh7 5.Rd4 Qd8 6.Rh1 Bxc2+ 7.Ka1 Kh8 8.Rdxh4+ Bh7 9.bxc3 Qf8 10.Rc4 Re7 11.Rc8 Rxe6 12.Rxf8+ Kg7 13.Rxh7+ Kxf8 14.dxe6 a5 15.Rxb7 Ke8 16.Rd7 a4 +- (8.90) Depth: 4 00:00:00 1.Bc3 Rxc3 2.Bxf7+ Rxf7 3.Qg6+ Rg7 4.Qe6+ Kh7 5.Rd4 Qd8 6.Rh1 Bxc2+ 7.Ka1 Kh8 8.Rdxh4+ Bh7 9.bxc3 Qf8 10.Rc4 Re7 11.Rc8 Rxe6 12.Rxf8+ Kg7 13.Rxh7+ Kxf8 14.dxe6 a5 15.Rxb7 Ke8 16.Rd7 a4 +- (8.90) Depth: 4 00:00:00 1.Bc3 Rxc3 2.Bxf7+ Rxf7 3.Qg6+ Rg7 4.Qe6+ Kh7 5.Rd4 Qd8 6.Rh1 Bxc2+ 7.Ka1 Kh8 8.Rdxh4+ Bh7 9.bxc3 Qf8 10.Rc4 Re7 11.Rc8 Rxe6 12.Rxf8+ Kg7 13.Rxh7+ Kxf8 14.dxe6 a5 15.Rxb7 Ke8 16.Rd7 a4 +- (8.90) Depth: 5 00:00:00 1.Bc3 Rxc3 2.Bxf7+ Rxf7 3.Qg6+ Rg7 4.Qe6+ Kh7 5.Rd4 Qd8 6.Rh1 Bxc2+ 7.Ka1 Kh8 8.Rdxh4+ Bh7 9.bxc3 Qf8 10.Rc4 Re7 11.Rc8 Rxe6 12.Rxf8+ Kg7 13.Rxh7+ Kxf8 14.dxe6 a5 15.Rxb7 Ke8 16.Rd7 a4 +- (8.90) Depth: 5 00:00:00 1.Bc3 Rxc3 2.Bxf7+ Rxf7 3.Qg6+ Rg7 4.Qe6+ Kh7 5.Rd4 Qd8 6.Rh1 Bxc2+ 7.Ka1 Kh8 8.Rdxh4+ Bh7 9.bxc3 Qf8 10.Rc4 Re7 11.Rc8 Rxe6 12.Rxf8+ Kg7 13.Rxh7+ Kxf8 14.dxe6 a5 15.Rxb7 Ke8 16.Rd7 a4 +- (8.90) Depth: 6/10 00:00:00 1.Bc3 Rxc3 2.Bxf7+ Rxf7 3.Qg6+ Rg7 4.Qe6+ Kh7 5.Rd4 Qd8 6.Rh1 Bxc2+ 7.Ka1 Kh8 8.Rdxh4+ Bh7 9.bxc3 Qf8 10.Rc4 Re7 11.Rc8 Rxe6 12.Rxf8+ Kg7 13.Rxh7+ Kxf8 14.dxe6 a5 15.Rxb7 Ke8 16.Rd7 a4 +- (8.90) Depth: 6/10 00:00:00 1.Bc3 Rxc3 2.Bxf7+ Rxf7 3.Qg6+ Rg7 4.Qe6+ Kh7 5.Rd4 Qd8 6.Rh1 Bxc2+ 7.Ka1 Kh8 8.Rdxh4+ Bh7 9.bxc3 Qf8 10.Rc4 Re7 11.Rc8 Rxe6 12.Rxf8+ Kg7 13.Rxh7+ Kxf8 14.dxe6 a5 15.Rxb7 Ke8 16.Rd7 a4 +- (8.90) Depth: 7/10 00:00:00 1.Bc3 Rxc3 2.Bxf7+ Rxf7 3.Qg6+ Rg7 4.Qe6+ Kh7 5.Rd4 Qd8 6.Rh1 Bxc2+ 7.Ka1 Kh8 8.Rdxh4+ Bh7 9.bxc3 Qf8 10.Rc4 Re7 11.Rc8 Rxe6 12.Rxf8+ Kg7 13.Rxh7+ Kxf8 14.dxe6 a5 15.Rxb7 Ke8 16.Rd7 a4 +- (8.90) Depth: 7/10 00:00:00 1.Bc3 Rxc3 2.Bxf7+ Rxf7 3.Qg6+ Rg7 4.Qe6+ Kh7 5.Rd4 Qd8 6.Rh1 Bxc2+ 7.Ka1 Kh8 8.Rdxh4+ Bh7 9.bxc3 Qf8 10.Rc4 Re7 11.Rc8 Rxe6 12.Rxf8+ Kg7 13.Rxh7+ Kxf8 14.dxe6 a5 15.Rxb7 Ke8 16.Rd7 a4 +- (8.90) Depth: 8/10 00:00:01 1.Bc3 Rxc3 2.Bxf7+ Rxf7 3.Qg6+ Rg7 4.Qe6+ Kh7 5.Rd4 Qd8 6.Rh1 Bxc2+ 7.Ka1 Kh8 8.Rdxh4+ Bh7 9.bxc3 Qf8 10.Rc4 Re7 11.Rc8 Rxe6 12.Rxf8+ Kg7 13.Rxh7+ Kxf8 14.dxe6 a5 15.Rxb7 Ke8 16.Rd7 a4 +- (8.90) Depth: 8/10 00:00:01 1.Bc3 Rxc3 2.Bxf7+ Rxf7 3.Qg6+ Rg7 4.Qe6+ Kh7 5.Rd4 Qd8 6.Rh1 Bxc2+ 7.Ka1 Kh8 8.Rdxh4+ Bh7 9.bxc3 Qf8 10.Rc4 Re7 11.Rc8 Rxe6 12.Rxf8+ Kg7 13.Rxh7+ Kxf8 14.dxe6 a5 15.Rxb7 Ke8 16.Rd7 a4 +- (8.90) Depth: 9/10 00:00:01 1.Bc3 Rxc3 2.Bxf7+ Rxf7 3.Qg6+ Rg7 4.Qe6+ Kh7 5.Rd4 Qd8 6.Rh1 Bxc2+ 7.Ka1 Kh8 8.Rdxh4+ Bh7 9.bxc3 Qf8 10.Rc4 Re7 11.Rc8 Rxe6 12.Rxf8+ Kg7 13.Rxh7+ Kxf8 14.dxe6 a5 15.Rxb7 Ke8 16.Rd7 a4 +- (8.90) Depth: 9/36 00:00:03 4187kN 1.Bc3 Rxc3 2.Bxf7+ Rxf7 3.Qg6+ Rg7 4.Qe6+ Kh7 5.Rd4 Qd8 6.Rh1 Bxc2+ 7.Ka1 Kh8 8.Rdxh4+ Bh7 9.bxc3 Qf8 10.Rc4 Re7 11.Rc8 Rxe6 12.Rxf8+ Kg7 13.Rxh7+ Kxf8 14.dxe6 a5 15.Rxb7 Ke8 16.Rd7 a4 +- (8.90) Depth: 10/36 00:00:03 4187kN (, MyTown 15.08.2004) Uri
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