Author: George Tsavdaris
Date: 15:05:35 01/04/04
Go up one level in this thread
On January 04, 2004 at 14:37:32, Kurt Utzinger wrote: >[D]r3kb1r/pp5p/1n4p1/3q1p2/3P4/5Q2/PP3PPP/RNB1K2R w KQkq - 0 15 >Which program does avoid 15.Qxd5? which would be a weak move as >the black pieces would then soon be able to take good places >(Nd5, Bg7, Rc8, Re8). White is a pawn up and to avoid the >above, should keep the queens on board either to still have >attacking chances vs the opposing king or to win an important >tempo with Nb1-c3 to come. > I wonder why Fritz and many other engines even think Qxd5. For all the reasons you said it is not a good move. And by playing Qe3+ white wins a tempo and black puts his king on fire (Thoughts of a stupid chess player like me). Deep Fritz 8 thinks about Qxd5 for a while, but changes it's mind very soon: Analysis by Deep Fritz 8: 1.Qf3xd5 Nb6xd5 2.Nb1-c3 Bf8-b4 3.Bc1-d2 0-0-0 4.Nc3xd5 Bb4xd2+ 5.Ke1xd2 Rd8xd5 6.Ra1-c1+ Kc8-d7 7.Kd2-d3 ± (1.08) Depth: 7/20 00:00:00 78kN 1.Qf3xd5 Nb6xd5 2.Nb1-c3 Nd5-b4 3.Nc3-b5 Ke8-d7 4.Ke1-d2 Nb4-d5 5.Kd2-d3 ± (1.00) Depth: 8/20 00:00:00 146kN 1.Qf3xd5-- ± (0.72) Depth: 9/23 00:00:01 617kN 1.Qf3xd5 Nb6xd5 2.Nb1-c3 ± (0.72) Depth: 9/27 00:00:01 783kN 1.Qf3-e3+! ± (0.73) Depth: 9/27 00:00:02 1071kN 1.Qf3-e3+! ± (0.88) Depth: 9/27 00:00:02 1146kN 1.Qf3-e3+ Ke8-f7 2.0-0 Bf8-g7 3.Rf1-d1 Rh8-e8 4.Nb1-c3 Qd5-d6 5.Qe3-h3 Qd6xd4 6.Qh3xh7 ± (1.04) Depth: 10/26 00:00:04 2131kN 1.Qf3-e3+ Ke8-f7 2.0-0 Bf8-g7 3.Rf1-d1 Nb6-c4 4.Qe3-g3 Rh8-e8 5.Nb1-c3 Qd5xd4 6.Qg3-h3 Qd4-b6 7.Qh3xh7 ± (0.80) Depth: 11/24 00:00:06 3352kN 1.Qf3xd5! ± (0.80) Depth: 11/27 00:00:07 3766kN 1.Qf3xd5 Nb6xd5 2.Nb1-c3 Nd5-b4 3.Ke1-d2 0-0-0 4.Nc3-e2 Bf8-g7 5.Kd2-c3 Rh8-e8 6.Kc3-c4 Re8xe2 ± (0.81) Depth: 11/28 00:00:09 4722kN 1.Qf3xd5 Nb6xd5 2.Nb1-c3 Nd5-b4 3.Ke1-d2 Bf8-g7 4.a2-a3 Nb4-c6 5.d4-d5 Ra8-d8 6.Kd2-c2 ± (0.72) Depth: 12/34 00:00:31 16081kN 1.Qf3-e3+! ± (0.73) Depth: 12/34 00:00:35 18204kN 1.Qf3-e3+! ± (0.88) Depth: 12/34 00:00:39 20435kN 1.Qf3-e3+ Ke8-f7 2.0-0 Bf8-g7 3.Rf1-d1 Nb6-c4 4.Qe3-b3 Nc4-b6 ± (0.93) Depth: 12/34 00:00:42 22116kN 1.Qf3-e3+ Ke8-f7 2.0-0 Ra8-e8 3.Nb1-c3 Re8xe3 4.Nc3xd5 Re3-e2 5.Nd5xb6 a7xb6 6.Bc1-e3 Bf8-d6 7.Rf1-e1 Re2xb2 ± (0.87) Depth: 13/36 00:01:03 33692kN 1.Qf3-e3+ Ke8-f7 2.0-0 Ra8-e8 3.Nb1-c3 Re8xe3 4.Nc3xd5 Re3-e2 5.Nd5xb6 a7xb6 6.g2-g3 Bf8-d6 7.Rf1-d1 Rh8-e8 ± (0.78) Depth: 14/38 00:02:11 70409kN 1.Qf3-e3+ Ke8-f7 2.0-0 Ra8-e8 3.Nb1-c3 Re8xe3 4.Nc3xd5 Re3-e2 5.Nd5xb6 a7xb6 6.g2-g3 Bf8-d6 7.Rf1-d1 Rh8-e8 ± (0.78) Depth: 14/40 00:04:26 145650kN
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