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Subject: Re: Bug in Fritz 8

Author: Enrique Irazoqui

Date: 07:10:10 12/31/02

Go up one level in this thread


On December 31, 2002 at 09:01:55, Bob Durrett wrote:

>In the following position, with Black to move, Fritz 8 says the correct move is
>Re8.  It gives a position evaluation of 0.00
>
>5r1k/pp1p2pp/n4q2/2pB4/2P2r2/8/PP2QPPP/R4RK1 b - - 0 18
>wKg1,Qe2,Bd5,Ra1,f1,Pa2,b2,c4,f2,g2,h2/bKh8,Qf6,Na6,Rf4,f8,Pa7,b7,c5,d7,g7,h7
>
>I forgot how to display the position here.  Maybe someone will do it for me.
>
>Bob D.

With Fritz 8.0.0.8, 128MB hash, mobile P4-2.2:

5r1k/pp1p2pp/n4q2/2pB4/2P2r2/8/PP2QPPP/R4RK1 b - - 0 1

Analysis by Fritz 8:

1...b6 2.Rad1 Nc7 3.Bb7 Rf7 4.Bd5 Nxd5 5.Rxd5
  =  (0.00)   Depth: 7/21   00:00:00  58kN
1...b6 2.Rad1 Nc7 3.Be4 Re8
  =  (0.06)   Depth: 8/21   00:00:00  125kN
1...b6 2.Rad1 Nb4 3.Be4 Qe6 4.f3 Nxa2 5.Ra1 Nb4 6.Rxa7
  =  (0.16)   Depth: 9/22   00:00:00  367kN
1...b6 2.Be4 Nb4 3.g3 Qg5 4.Kh1 R4f7 5.f4 Qh6 6.Rad1 Nxa2
  =  (0.09)   Depth: 10/27   00:00:02  1968kN
1...b6 2.Be4 Nc7 3.g3 Qg5 4.Qd3 R8f7 5.Rae1 a6 6.Qd6 Qg4
  =  (0.22)   Depth: 11/27   00:00:05  4180kN
1...b6 2.g3 Rf5 3.Be4 Re5 4.Rad1 Re7 5.f3 Nb4 6.a3 Nc6 7.f4
  =  (0.16)   Depth: 12/32   00:00:16  12721kN
1...b6 2.g3 Rf5 3.Be4 Re5 4.Qg4 Re7 5.f3 Nc7 6.Qh3 Qd4+ 7.Kh1 h6 8.Qh4
  =  (0.09)   Depth: 13/31   00:00:29  24677kN
1...b6 2.g3 Rd4 3.Rad1 Rxd1 4.Rxd1 Nc7 5.Be4 Ne6 6.Rxd7 Nd4 7.Qe3 a6 8.f3 Kg8
  =  (0.12)   Depth: 14/40   00:00:56  47037kN
1...b6 2.Rad1 Nb4 3.g3 Qg6 4.f3 Nxd5 5.Rxd5 d6 6.b3 Kg8 7.Qd3 Qxd3 8.Rxd3 Rd4
9.Rxd4 cxd4 10.Kf2
  =  (0.22)   Depth: 15/39   00:02:05  109537kN

(Irazoqui, CadaquƩs 31.12.2002)



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