Author: Uri Blass
Date: 12:57:14 09/03/01
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On September 03, 2001 at 14:50:27, Eduard Nemeth wrote: >I played a game against Tiger 14 today (120'/40 Level), see my post "Golden >eyes", and Tiger thinking and thinking...but makes bad moves. Ok, this first >game was a HARD tactical position for computers. > >I played now an another game against Tiger 14 and I played the NORMAL "Two >Kings" variation. But what makes Tiger? He played after 15 minutes (!) on a BAD >move. I can this not understand, sorry! I believe that the main problem of tiger here is the fact that tiger is a preprocessor. If you compare the evaluation after 12.Nf6+ gxf6 and the evaluation after 12.gxf3 Ne7 you can see that tiger's evaluation is better after 12.gxf3 Ne7 and not after 12.Nf6+ gxf6 but tiger cannot see it's evaluation after these moves in the root position. Tiger14's analysis after 12.Nf6+ gxf6 Chess Tiger 14.0 - Blass,U [D]r3k2r/ppp1Bp1p/2n2p2/7q/3p4/5b2/PPP2PPP/R2QR1K1 w kq - 0 1 Analysis by Chess Tiger 14.0: 13.Bxf6+ Kd7 14.Qxf3 Qxf3 15.gxf3 Rhg8+ 16.Kh1 Rg6 17.Bh4 Rag8 18.Re4 = (-0.12) Depth: 8 00:00:00 94kN 13.Bxf6+ Kd7 14.Qxf3 Qxf3 15.gxf3 Rhg8+ 16.Kf1 Rg6 17.Bh4 Rag8 18.Bg3 Nb4 19.Re2 = (-0.18) Depth: 9 00:00:00 195kN 13.Bxf6+ Kd7 14.Qxf3 Qxf3 15.gxf3 Rhg8+ 16.Kf1 Rg6 17.Bh4 Rag8 18.Bg3 Nb4 19.Re2 = (-0.18) Depth: 10 00:00:02 509kN 13.Bxf6+ Kd7 14.Qxf3 Qxf3 15.gxf3 Rhg8+ 16.Kh1 Rg6 17.Bh4 Rag8 18.Rad1 a6 19.Bg3 h6 20.Re4 = (-0.06) Depth: 11 00:00:04 1171kN 13.Bxf6+ Kd7 14.Qxf3 Qxf3 15.gxf3 Rhg8+ 16.Kh1 Rg6 17.Bh4 Rag8 18.Rad1 f6 19.Re3 f5 20.f4 = (-0.10) Depth: 12 00:00:10 2554kN 13.Bxf6+ Kd7 14.Qxf3 Qxf3 15.gxf3 Rhg8+ 16.Kh1 Rg6 17.Bh4 Rag8 18.Rad1 a6 19.Bg3 h6 20.Kg2 f5 21.Re3 = (0.00) Depth: 13 00:00:24 6135kN (Blass, Tel-aviv 03.09.2001) Tiger14's analysis after 12.gxf3 Ne7 Chess Tiger 14.0 - Blass,U [D]r3k2r/ppp1nppp/8/7q/3pN3/5P2/PPP2P1P/R2QR1K1 w kq - 0 1 Analysis by Chess Tiger 14.0: 13.Qxd4 0-0 14.Nf6+ gxf6 15.Rxe7 Qxf3 16.Rxc7 Rac8 = (0.10) Depth: 8 00:00:00 87kN 13.Qxd4 0-0 14.Nf6+ gxf6 15.Rxe7 Qxf3 16.Rxc7 Rac8 17.Qd7 Rxc7 18.Qxc7 = (0.10) Depth: 8 00:00:00 136kN 13.Qxd4 0-0 14.Nf6+ gxf6 15.Rxe7 Qxf3 16.Rae1 Qc6 17.Qg4+ Kh8 18.Qf5 ² (0.54) Depth: 9 00:00:04 849kN 13.Qxd4 0-0 14.Nf6+ gxf6 15.Rxe7 Qxf3 16.Rae1 Kh8 17.Qe4 Rg8+ 18.Kf1 Qh3+ 19.Ke2 ² (0.26) Depth: 10 00:00:05 1144kN 13.Qxd4 0-0 14.Nf6+ gxf6 15.Rxe7 Qxf3 16.Qd3 Qxd3 17.cxd3 Rac8 18.Rc1 Rfe8 19.Rcxc7 Rxc7 20.Rxc7 ² (0.34) Depth: 11 00:00:10 2169kN 13.Qxd4 0-0 14.Nf6+ gxf6 15.Rxe7 Qxf3 16.Qd3 Qxd3 17.cxd3 Rac8 18.Rc1 Rfe8 19.Rcxc7 Rxc7 20.Rxc7 ² (0.34) Depth: 12 00:00:18 3899kN 13.Qxd4 0-0 14.Nf6+ gxf6 15.Rxe7 Qxf3 16.Qd3 Qxd3 17.cxd3 Rac8 18.Rc1 Rfe8 19.Rcxc7 Rxc7 20.Rxe8+ Kg7 21.d4 ² (0.32) Depth: 13 00:00:40 8741kN (Blass, Tel-aviv 03.09.2001) Uri
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