Author: Paulo Soares
Date: 01:16:41 05/16/00
Go up one level in this thread
On May 16, 2000 at 01:24:37, Côme wrote: >On May 15, 2000 at 20:36:01, Pete Galati wrote: > >>On May 15, 2000 at 13:57:46, Côme wrote: >> >>> >>>In this position >>>[D]r1bqk2r/1p1p1pbp/p1nQ2p1/1B2P3/8/8/PP3PPP/RNB2RK1 w kq - >>> >>>Does your chess programs find Nc3!! >>>If yes interesting is in how much time ? >>> >>>Best Regards >>>Alexandre Côme >> >>Nc3, axb5, Nxb5, ..., Nc7+? >> >>Maybe programs don't see axb5 as being the move to make. I couldn't find a >>program to do Nc3 on my slow computer, but if I fed the position Nc3, axb5, then >>Amy could work with that. >> >>But, for black, is there a reason why Bxe5 isn't better than axb5 (after Nc3). >> >>Here's Amy with after Nc3, axb5: >> >>[D]r1bqk2r/1p1p1pbp/2nQ2p1/1p2P3/8/2N5/PP3PPP/R1B2RK1 w kq - >>It Time Score principal Variation >> 1 0.0 --- 1. Nxb5 >> 1 0.0 -3.312 1. Nxb5 >> 1 0.7 +++ 1. Bf4 >> 1 0.7 -2.656 1. Bf4 >> 1 0.7 -2.656 1. Bf4 >> 2 0.8 -2.720 1. Bf4 Qe7 >> 2 0.9 -2.720 1. Bf4 Qe7 >> 3 1.1 -2.832 1. Bf4 Qe7 2. Rfe1 >> 3 1.3 -2.832 1. Bf4 Qe7 2. Rfe1 >> 4 1.6 -2.688 1. Bf4 Qe7 2. Qxe7+ Kxe7 3. Nd5+ Kd8 4. Rfe1 >> 4 2.1 -2.688 1. Bf4 Qe7 2. Qxe7+ Kxe7 3. Nd5+ Kd8 4. Rfe1 >> 5 3.0 -2.512 1. Bf4 Bf8 2. Qd5 b4 3. Ne4 >> 5 4.2 -2.512 1. Bf4 Bf8 2. Qd5 b4 3. Ne4 >> 6 5.4 -2.656 1. Bf4 Bf8 2. Qd3 b4 3. Nd5 Bc5 >> 6 6.9 +++ 1. Re1 >> 6 8.2 -2.544 1. Re1 Qa5 2. Re4 Bf8 3. Qd5 Nb4 >> 6 8.4 +++ 1. Nxb5 >> 6 9.5 +1.264 1. Nxb5 Bxe5 2. Re1 f5 3. Bf4 Qe7 >> 6 9.9 +1.264 1. Nxb5 Bxe5 2. Re1 f5 3. Bf4 Qe7 >> 7 11.8 +1.408 1. Nxb5 Bxe5 2. Re1 Qe7 3. Nc7+ Kd8 4. Qxe7+ Kxe7 5. Nxa8 >> d5 >> 7 13.1 +1.408 1. Nxb5 Bxe5 2. Re1 Qe7 3. Nc7+ Kd8 4. Qxe7+ Kxe7 5. Nxa8 >> d5 >> 8 21.8 +1.568 1. Nxb5 Qh4 2. g3 Bxe5 3. Nc7+ Kd8 4. gxh4 Bxd6 5. Nxa8 >> 8 24.2 +1.568 1. Nxb5 Qh4 2. g3 Bxe5 3. Nc7+ Kd8 4. gxh4 Bxd6 5. Nxa8 >> 9 38.1 --- 1. Nxb5 >> 9 43.9 +1.248 1. Nxb5 Qh4 2. g3 Bxe5 3. Nc7+ Kd8 4. gxh4 Bxd6 5. Nxa8 >> Re8 >> 9 54.5 +1.248 1. Nxb5 Qh4 2. g3 Bxe5 3. Nc7+ Kd8 4. gxh4 Bxd6 5. Nxa8 >> Re8 > >Hello Pete, >It's not the real reason because after Nc3!! black can play Bf8 and after >that white must play Re1!! >Very interesting position it's a pity that you are the only one to answer :-( >Best Regards >Alexandre Côme Hey Côme, you didn't wait for me. Below Fritz6a analyses in a PIII-450, with HT=64Mb. The position is interesting, and Fritz would play Nc3 in tournament control time. Fritz 6 - Soares,P r1bqk2r/1p1p1pbp/p1nQ2p1/1B2P3/8/8/PP3PPP/RNB2RK1 w kq - 0 1 Analysis by Fritz 6: 1.Bxc6 dxc6 = (0.19) Depth: 1/5 00:00:00 1.Bd3 Nxe5 = (-0.06) Depth: 4/13 00:00:00 3kN 1.Bd3 Nxe5 = (-0.06) Depth: 4/13 00:00:00 3kN 1.Bd3 Nxe5 = (-0.06) Depth: 4/13 00:00:00 3kN 1.Bd3 Nxe5 = (-0.06) Depth: 4/13 00:00:00 3kN 1.Bd3 Nxe5 = (-0.06) Depth: 4/13 00:00:00 3kN 1.Bd3 Nxe5 = (-0.06) Depth: 4/13 00:00:00 3kN 1.Bd3 Nxe5 2.Re1 Qf6 3.Qd5 ³ (-0.34) Depth: 5/12 00:00:00 9kN 1.Bxc6! ³ (-0.28) Depth: 5/12 00:00:00 9kN 1.Bxc6 dxc6 2.Rd1 Qxd6 3.exd6 Kd7 4.Nc3 = (-0.03) Depth: 5/15 00:00:00 13kN 1.Bc4! = (0.00) Depth: 5/17 00:00:00 18kN 1.Bc4 b5 2.Bd3 Nxe5 = (0.03) Depth: 5/17 00:00:00 19kN 1.Ba4! = (0.06) Depth: 5/17 00:00:00 24kN 1.Ba4 Qe7 2.f4 f6 3.Nc3 fxe5 4.fxe5 Nxe5 = (-0.06) Depth: 6/17 00:00:00 50kN 1.Ba4 Qe7 2.f4 f6 3.Qxe7+ Kxe7 4.exf6+ Kxf6 5.Re1 = (-0.19) Depth: 7/18 00:00:00 115kN 1.Bc4 = (0.00) Depth: 7/18 00:00:00 129kN 1.Bd3 = (-0.12) Depth: 7/19 00:00:00 223kN 1.Bd3 Qe7 2.Re1 f6 3.Qxe7+ Kxe7 = (0.09) Depth: 7/19 00:00:01 257kN 1.Bd3 Qe7 2.Re1 f6 3.Qxe7+ Kxe7 4.exf6+ Kxf6 5.Nc3 b5 = (0.19) Depth: 8/21 00:00:01 349kN 1.Bd3 Bf8 2.Qd5 Qe7 3.Re1 f6 4.Be3 fxe5 5.Nc3 = (0.09) Depth: 9/24 00:00:02 692kN 1.Bd3 Bf8 2.Qd5 Qe7 3.f4 Qc5+ 4.Qxc5 Bxc5+ 5.Kh1 d5 = (-0.03) Depth: 10/23 00:00:05 1425kN 1.Bc4 = (0.00) Depth: 10/24 00:00:06 1771kN 1.Bc4 Qh4 2.f4 Nxe5 3.fxe5 Qxc4 4.Bg5 Qe6 5.Bf6 Qxd6 = (-0.22) Depth: 11/27 00:00:17 5179kN 1.Bd3 = (-0.19) Depth: 11/27 00:00:18 5589kN 1.Bd3 Qe7 2.Re1 f6 3.Qxe7+ Kxe7 = (0.06) Depth: 11/30 00:00:24 7247kN 1.Ba4 = (0.09) Depth: 11/30 00:00:33 10072kN 1.Ba4 Qe7 2.Re1 b5 3.Bc2 f6 4.Qxe7+ Kxe7 5.exf6+ Kxf6 = (0.13) Depth: 11/30 00:00:38 11415kN 1.Ba4 Qe7 2.Re1 b5 3.Bc2 f6 4.Qxe7+ Kxe7 5.exf6+ Kxf6 = (0.09) Depth: 12/30 00:01:00 18349kN 1.Nc3 = (0.13) Depth: 12/30 00:01:26 26916kN 1.Nc3 Bf8 2.Re1 axb5 3.Nd5 Qh4 4.g3 Qa4 5.Nc7+ Kd8 ² (0.41) Depth: 12/32 00:02:16 43662kN 1.Nc3 Bxe5 2.Re1 f6 3.f4 axb5 4.fxe5 fxe5 5.Bf4 Qe7 ² (0.44) Depth: 13/32 00:03:31 68967kN 1.Nc3 Bxe5 2.Re1 f6 3.f4 axb5 4.fxe5 fxe5 5.Bf4 Qe7 ² (0.28) Depth: 14/35 00:05:36 111542kN 1.Nc3! ² (0.59) Depth: 15/39 00:16:25 329839kN (Soares, Cabo Frio 16.05.2000)
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