Author: blass uri
Date: 07:19:32 07/08/98
Go up one level in this thread
On July 08, 1998 at 01:51:44, blass uri wrote: >On July 07, 1998 at 18:21:52, Bruce Moreland wrote: > >>Someone posted this position, as I challenge, I believe, to Diep. I don't think >>anyone responded to it. >> >>I started my program thinking about this, figuring I'd let it go a day or two, >>but with the (US) holiday weekend, plus the technical difficulties that we had >>here, I let it go for a while longer than I expected. >> >>Does anyone know what the real point is of 1. ... d6 ? >> >>bruce >> >>----------------- >> >>r1bqr1k1/pp1p1ppp/5n2/1N2n3/2P1PB2/6P1/PP1Q1K1P/4RB1R b - - 0 1 >> >> a b c d e f g h >> +---+---+---+---+---+---+---+---+ >>8 | r |///| b |/q/| r |///| k |///| 8 >> +---+---+---+---+---+---+---+---+ >>7 |/p/| p |///| p |///| p |/p/| p | 7 >> +---+---+---+---+---+---+---+---+ >>6 | |///| |///| |/n/| |///| 6 >> +---+---+---+---+---+---+---+---+ >>5 |///| N |///| |/n/| |///| | 5 >> +---+---+---+---+---+---+---+---+ >>4 | |///| P |///| P |/B/| |///| 4 >> +---+---+---+---+---+---+---+---+ >>3 |///| |///| |///| |/P/| | 3 >> +---+---+---+---+---+---+---+---+ >>2 | P |/P/| |/Q/| |/K/| |/P/| 2 >> +---+---+---+---+---+---+---+---+ >>1 |///| |///| |/R/| B |///| R | 1 >> +---+---+---+---+---+---+---+---+ >> a b c d e f g h >> >>Times on a P2/300 >> >>PV 00:00:30.840 8 -81 [wrong] d5 >>PV 00:00:34.283 8 -80 [wrong] d5 exd5 Neg4+ Kf3 Rxe1 Qxe1 >>PV 00:01:00.815 9 -50 [wrong] d5 exd5 Bf5 Nc3 Neg4+ Kg2 Ne4 Rxe4 Bxe4+ Nxe4 >>Rxe4 Bd3 Re8 d6 >>PV 00:02:55.182 10 -59 [wrong] d5 exd5 Bf5 Nc3 Neg4+ Kg2 Ne4 Rxe4 Bxe4+ Nxe4 >>Rxe4 Bd3 Re8 Qc2 Nf6 Rf1 >>PV 00:11:33.407 11 -52 [wrong] d5 cxd5 Neg4+ Kf3 Nxd5 Rd1 Nge3 Bxe3 Bg4+ Kxg4 >>Nxe3+ Qxe3 Qxd1+ Kh3 a6 Nd4 Rad8 Nf5 >>PV 00:28:02.555 12 -63 [wrong] d5 cxd5 Neg4+ Kf3 Nxd5 Rd1 Ngf6 exd5 Bg4+ Kg2 >>Bxd1 Qxd1 Nxd5 Bc4 Nxf4+ gxf4 Qf6 Qd4 Qg6+ Kf2 >>PV 01:10:42.221 12 -60 [wrong] a6 >>PV 01:11:18.344 12 -63 [wrong] d5 cxd5 Neg4+ Kf3 Nxd5 Rd1 Ngf6 exd5 Bg4+ Kg2 >>Bxd1 Qxd1 Nxd5 Bc4 Nxf4+ gxf4 Qf6 Qd4 Qg6+ Kf2 >>PV 01:11:18.344 12 -61 [wrong] a6 Nd6 Qb6+ Kg2 Re6 Bxe5 Rxe5 c5 Rxc5 Bc4 Kf8 >>Rhf1 Qc7 Qd4 Rc6 e5 >>PV 01:16:55.406 13 -72 [wrong] a6 Nd6 Qb6+ Kg2 Re6 Bxe5 Rxe5 c5 Rxc5 Bc4 Rc6 >>e5 Rxc4 Nxc4 Qc6+ Kg1 Qxc4 exf6 >>PV 01:38:42.000 13 -69 [wrong] d5 >>PV 02:39:09.082 13 -61 [wrong] d5 exd5 Bf5 Nc3 Neg4+ Kg2 Ne4 Qd4 Nxc3 Qxc3 >>Be4+ Rxe4 Rxe4 Qf3 Nf6 Bd3 Re8 d6 Qb6 b3 >>PV 10:00:21.924 14 -72 [wrong] d5 cxd5 Neg4+ Kf3 Nxd5 exd5 Rxe1 Qxe1 Qxd5+ >>Qe4 Qxe4+ Kxe4 Nf2+ Ke3 Nxh1 Nc7 Rb8 Nd5 Ra8 Bg2 Nxg3 Bxg3 Kf8 Ke4 >>PV 20:52:24.463 14 -69 [right] d6 >>PV 24:55:45.681 14 -55 [right] d6 Qxd6 Bd7 Nc7 Neg4+ Kf3 Rxe4 Rxe4 Nxe4 Kxe4 >>Bc6+ Kd4 Qxd6+ Bxd6 Rd8 Nd5 Rxd6 Bg2 Re6 Bh3 f5 Rf1 Re4+ Kc5 >>PV 32:47:40.034 15 -55 [right] d6 Qxd6 Bd7 Nc7 Neg4+ Kf3 Rxe4 Rxe4 Nxe4 Kxe4 >>Bc6+ Kd4 Qxd6+ Bxd6 Rd8 Nd5 Rxd6 Bg2 Re6 h3 Re2 Bf3 Rd2+ Kc3 Bxd5 >>PV 97:40:55.887 16 -48 [right] d6 Qxd6 Bd7 Nc7 Neg4+ Kf3 Rxe4 Rxe4 Nxe4 Kxe4 >>Bc6+ Kd4 Qxd6+ Bxd6 Rd8 Nd5 Rxd6 Bg2 Re6 a3 f5 h3 Nf6 Rf1 Bxd5 Bxd5 Nxd5 >maybe after d6 Qxd6 Bd7 Nc7 Neg4+ Kf3 the best move is g5 Junior4.6 and fritz5 cannot find g5 in a reasonable time They suggest Rxe4 or Nxe4 and evaluate the position as an advantage for black but it is a mistake bacuse if I follow their main line after some moves they see advantage for white. the idea of g5 is if Bxg5 Nxh2+ and if Nxe8 Nxe8 Qc5 gxf4 gxf4 black can play f5. Uri > >I think the line with Rxe4 give white an advantage in the ending. > >uri
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