Author: Paulo Soares
Date: 04:39:44 02/12/00
Go up one level in this thread
On February 11, 2000 at 20:39:16, Howard Exner wrote: >On February 11, 2000 at 09:51:12, Côme wrote: > >> >>Hello, >> >>In this position of the game SOS - Comet : >> >>[D]r1bq1rk1/ppn1ppbp/2p3p1/4P3/3P4/1QN2N2/PP3PPP/R1B2RK1 b - - >> >>Comet play Bg4! and give the b7 pawn ! >> >>Can you test if other programs play Bg4! ? >> >>Best Regards >>Alexandre Côme > >Bg4 may be a good move but Comet was unable to follow it up >with anything threatening. In fact Comet lost this game. >What winning line did Comet not see after playing Bg4? Howard, I forgot to test Fritz5.32 at this position. Below the analysis, since depth 9. Jeff is right, Fritz5.32 found Bg4 fast and with a hight evaluation. PIII-450 HT=128Mb r1bq1rk1/ppn1ppbp/2p3p1/4P3/3P4/1QN2N2/PP3PPP/R1B2RK1 b - - 0 1 Analysis by Fritz 5.32: 1...Qd7 2.Be3 Rd8 3.Rac1 Nd5 4.Bg5 Qe6 5.Nxd5 Rxd5 6.Qc2 = (-0.25) Depth: 9/22 00:00:02 530kN 1...Nd5 ³ (-0.28) Depth: 9/25 00:00:03 913kN 1...Nd5 2.Be3 Nb6 3.Ng5 h6 4.Nge4 Be6 5.Qc2 Nd5 ³ (-0.31) Depth: 9/25 00:00:04 1198kN 1...Nd5 2.Be3 b6 3.Nxd5 Qxd5 4.Qxd5 cxd5 5.Rfc1 Bg4 6.Rc7 = (-0.25) Depth: 10/26 00:00:07 2383kN 1...b6 ³ (-0.28) Depth: 10/26 00:00:09 2997kN 1...Bg4 ³ (-0.31) Depth: 10/26 00:00:12 3963kN 1...Bg4 2.Qxb7 Bxf3 3.gxf3 Qd7 4.Qb4 Rfd8 5.Re1 Rab8 6.Qc5 ³ (-0.34) Depth: 10/28 00:00:13 4409kN 1...Bg4 2.Qxb7 Bxf3 3.gxf3 Qd7 4.Qb4 Rfd8 5.Be3 Rab8 6.Qa3 ³ (-0.34) Depth: 11/27 00:00:18 6401kN 1...Bg4 2.Qxb7 Bxf3 3.gxf3 Qd7 4.Qb4 Rab8 5.Qa4 Rfd8 6.Qxa7 ³ (-0.41) Depth: 12/31 00:00:41 15117kN 1...Bg4 2.Qxb7 Bxf3 3.gxf3 Ne6 4.d5 cxd5 5.Qxd5 Qc7 6.f4 ³ (-0.50) Depth: 13/33 00:02:57 67240kN 1...Bg4 2.Qxb7 Bxf3 3.gxf3 Qd7 4.Qb4 f6 5.Qb3+ Nd5 6.Nxd5 ³ (-0.50) Depth: 14/36 00:05:43 131043kN Paulo Soares, from Brazil
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