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Subject: Re: Wow! Talk about opening blunder

Author: Steve Glanzfeld

Date: 07:36:30 07/04/05

Go up one level in this thread


On July 04, 2005 at 08:18:59, Ted Summers wrote:

>I was just trying out the New Opening Book for Fruit by Dann Corbit. In a test
>match with Chessmaster in it's own (ChessMaster 10th) interface and using
>ChessMaster's default opening book, Tournament Settings. When this occured.
>[D] r1q1k2r/p4ppp/4pn2/1p1p1b2/1b1n1B2/2NP2P1/PP2PPBP/R2QK2R b KQkq - 0 12
>[Event ""]
>[Site ""]
>[Date "2005.7.4"]
>[Round ""]
>[White "Chessmaster"]
>[Black "Fruit 2.1"]
>[TimeControl "40/7200"]
>[Result "*"]
>[ECO "oft "]
>
>1.Nf3 Nf6 2.g3 d5 3.Bg2 c6 4.c4 Bf5 5.cxd5 cxd5 6.Qb3 Qc8 7.Nc3 e6 8.d3 Nc6
>9.Bf4 Bb4 10.Nd4?? Nxd4 11.Qa4+ b5! 12.Qd1 *

That may point to a bug in the King 3.33 engine... King 3.23 (default) does not
consider 10.Nd4?? (Pentium M 1.5 GHz, 128 MB hash):

r1q1k2r/pp3ppp/2n1pn2/3p1b2/1b3B2/1QNP1NP1/PP2PPBP/R3K2R w KQkq - 0 1

Analysis by The King 3.23:

10.a3 Bc5 11.Rc1 Bb6 12.0-0 0-0
  ²  (0.44)   Depth: 3   00:00:00
  ²  (0.41)   Depth: 5   00:00:00
10.0-0 0-0 11.a3 Bc5 12.Rac1 Qd7 13.Nxd5 Nxd5 14.Rxc5 Nxf4 15.gxf4
  ²  (0.43)   Depth: 5   00:00:00
  ²  (0.49)   Depth: 6   00:00:00  45kN
10.Rc1 0-0 11.0-0 Qd7 12.a3 Ba5 13.h3 Bb6
  ²  (0.55)   Depth: 6   00:00:00  66kN
  =  (0.24)   Depth: 7   00:00:00  155kN
10.0-0 0-0 11.Rac1 Qd7 12.Nd4 Nxd4 13.Qxb4 Nc6 14.Qd6 Rac8 15.e4 e5 16.Bxe5 Nxe5
17.Qxe5 dxe4 18.Nxe4
  ²  (0.31)   Depth: 7   00:00:01  205kN
  ²  (0.54)   Depth: 12   00:03:16  46341kN

Steve



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