Author: Uri Blass
Date: 23:42:20 12/18/01
The target is to avoid a tactical mistake Goliath light blundered by Rb8 I do not have a list of the possible tactical mistake and you have to find a list of the possible tactical mistakes in order to know the solution: It seems that Qc7 and h5 are not tactical mistakes when Rb8 is a tactical mistake Here is yace's only material analysis(it found h5 in the previous analysis but it was only after learning that Rb8 is bad): pawn=0.8,knight=3.4,bishop=3.5,rook=5 Shredder 6 - Goliath Light 1.5 [D]r1bq1k1r/pp2n1pp/3p2n1/5p2/2BP4/B1P2Q2/P1P2PPP/1R2R1K1 b - - 0 1 Analysis by Yace 0.99.56: 14...Rg8 15.Bxg8 Nxg8 µ (-1.00) Depth: 1 00:00:08 14...Qe8 15.Bxd6 -+ (-1.70) Depth: 1 00:00:08 14...Qd7 -+ (-2.50) Depth: 1 00:00:08 14...Qd7 15.Qd3 -+ (-2.50) Depth: 2 00:00:08 14...Qd7 15.Qd3 Ng8 -+ (-2.50) Depth: 3 00:00:10 14...Qd7 15.Qd3 Ng8 16.Re3 -+ (-2.50) Depth: 4 00:00:12 14...Qd7 15.Qd3 Qc7 16.Be6 Bxe6 -+ (-2.50) Depth: 5 00:00:20 16kN 14...Qd7 15.Qd3 Qc7 16.Qf1 Nf4 17.Bb5 -+ (-2.50) Depth: 6 00:00:31 46kN 14...Qd7 15.Be6 Qc7 16.g3 Qxc3 17.Qxc3 Bxe6 -+ (-2.10) Depth: 7 00:00:39 101kN 14...Qd7 15.Be6 Qc7 16.g3 Ne5 17.dxe5 Bxe6 18.exd6 -+ (-1.80) Depth: 7 00:00:40 119kN 14...Qc7 15.Bxd6 Qxc4 16.Rxe7 Nxe7 17.Qxb7 Bxb7 18.Rxb7 -+ (-1.81) Depth: 7 00:00:40 223kN 14...Qc7 15.Be6 Rb8 16.Bxc8 Rxc8 17.Rxb7 Qxc3 18.Qxc3 -+ (-2.50) Depth: 7 00:00:40 223kN 14...Qc7 15.Be6 Rb8 16.Bxc8 Qxc8 17.Bxd6 Nh4 18.Bxe7+ Kf7 -+ (-2.10) Depth: 8 00:00:40 422kN 14...Qc7 15.Be6 Rb8 16.Bxc8 Nxc8 17.Qxf5+ Qf7 18.Qxf7+ Kxf7 19.g3 Nge7 20.Kh1 -+ (-1.70) Depth: 8 00:00:41 422kN 14...Rb8 15.Bxd6 Qxd6 16.Rxe7 Nxe7 17.Qh5 Be6 18.Qxh7 Rxh7 19.Bxe6 -+ (-1.71) Depth: 8 00:00:41 758kN 14...Rb8 15.Be6 a6 16.Bxc8 Nh4 17.Qd3 Nxc8 18.g3 -+ (-2.50) Depth: 8 00:00:42 1193kN 14...Rb8 15.Be6 b6 16.Bxc8 Rxc8 17.Qd3 Rc6 18.Qg3 f4 19.Qh3 -+ (-2.50) Depth: 9 00:00:45 2384kN 14...Rb8 15.Be6 b6 16.Bxc8 Rxc8 17.Re6 f4 18.Bxd6 Qxd6 19.Rxd6 Rxc3 -+ (-2.10) Depth: 10 00:00:46 2973kN 14...Rb8 15.Be6 b6 16.Bxc8 Rxc8 17.Re6 Nh4 18.Qd3 f4 19.Bxd6 Nhg6 -+ (-1.70) Depth: 10 00:00:49 4740kN 14...Rb8 15.Be6 b6 16.Bxc8 Rxc8 17.Re6 Nh4 18.Qd3 f4 19.Bxd6 Nhg6 20.Kh1 -+ (-1.70) Depth: 11 00:01:10 16727kN 14...Rb8 15.Be6 b6 16.Bxc8 Rxc8 17.Re6 Ke8 18.Bxd6 Kf7 19.Rbe1 Re8 20.Qd3 f4 -+ (-1.70) Depth: 12 00:01:54 41891kN 14...Rb8 15.Rb5 b6 16.Rd5 Qc7 17.Rxd6 Qxc4 18.Rxg6 hxg6 19.Rxe7 Kg8 20.Re8+ Kf7 21.Rxh8 Bd7 µ (-1.30) Depth: 13 00:06:43 201052kN 14...Rb8 15.Rb5 Qd7 16.Re6 Qxb5 17.Bxb5 Bxe6 18.Bxd6 Rd8 19.Qxb7 µ (-0.99) Depth: 13 00:09:32 292115kN 14...Qc7 15.Be6 µ (-1.00) Depth: 13 00:10:38 328254kN 14...Qc7 15.Be6 Rb8 16.Bxc8 Rxc8 17.Qxb7 Kf7 18.Qxc7 Rxc7 19.Bb4 Kf6 20.Bxd6 Rxc3 21.Rb7 Nc8 -+ (-1.70) Depth: 13 00:12:34 390920kN 14...Qc7 15.Be6 Rb8 16.Bxc8 Rxc8 17.Qxb7 Kf7 18.Qxc7 Rxc7 19.Bb4 Kf6 20.Bxd6 Rxc3 21.Rb7 Nc8 22.Rc7 -+ (-1.70) Depth: 14 00:20:19 643235kN 14...Qc7 15.Be6 Rb8 16.Bxc8 Rxc8 17.Qxb7 Kf7 18.Qxc7 Rxc7 19.Bb4 Kf6 20.Bxd6 Rxc3 21.Rb7 Nc8 22.Rc7 Rxc7 -+ (-1.70) Depth: 15 00:45:47 1467464kN 14...Qc7 15.Be6 h6 16.Bxc8 Rxc8 17.Qxb7 Kf7 18.Qxc7 Rxc7 19.Bxd6 Rxc3 20.Rb7 Re8 21.Bb4 Rxc2 22.Rxa7 Kf6 23.g3 -+ (-1.70) Depth: 16 02:37:11 787944kN 14...Qc7 15.Bd5 h5 16.Qg3 f4 17.Rxe7 Nxe7 18.Qxf4+ Nf5 19.Rxb7 Bxb7 20.Qxf5+ Ke8 21.Qe4+ Kd8 22.Bxb7 Rb8 23.Qh4+ Qe7 24.Qxe7+ Kxe7 25.Ba6 µ (-1.40) Depth: 17 08:55:52 102918kN (Blass, Tel-aviv 19.12.2001) Uri
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