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Subject: Trojan Horse Detection Code in Shredder 6

Author: Oliver Roese

Date: 22:24:26 10/28/05

Hello,

this position down the page originates from a very famous game from Alekhine,
which he won after (temporarily) sacrificing a queen and a rook.

In this position black can simply win by capturing the knight. I was very
surprised, that Shredder 6 refuses to do so.
Apparently a "Trojan Horse"-trap is assumed...



Bogoljubov,E - Alekhine,A
[D] r4r1k/1ppbn1p1/3p1n1p/p2P1pNq/2P1pP1P/PPQ1P1P1/6B1/R2R1NK1 b - - 0 1

Analysis by Shredder 6:
[...]
20...Kg8 21.Tac1 Tfc8 22.Sh2 b5 23.Kf2 a4 24.b4 bxc4 25.Dxc4 Tab8 26.Sxe4 fxe4
27.Dxc7
  =  (0.02)   Tiefe: 13/26   00:02:28  42633kN


Bogoljubov,E - Alekhine,A
[D] r4r1k/1ppbn1p1/3p1n1p/p2P1pNq/2P1pP1P/PPQ1P1P1/6B1/R2R1NK1 b - - 0 1

Analysis by Fritz 6:
[...]
20...hxg5 21.hxg5 Sg4 22.b4 La4 23.Td2 b6 24.Tb2 Kg8 25.Dd4
  -+  (-2.72)   Tiefe: 16/40   00:02:58  140746kN

• Re: Trojan Horse Detection : none in Fruit 2.2.1 Christopher Morgan 15:06:48 10/29/05
  • Re: Trojan Horse Detection : none in Fruit 2.2.1 Robert Hyatt 17:22:56 10/30/05
• Re: Trojan Horse Detection Code in Shredder 6 Will Singleton 00:13:24 10/29/05
  • Re: Trojan Horse Detection Code in Shredder 6 Kurt Utzinger 00:24:11 10/29/05
    • Re: Trojan Horse Detection Code in Shredder 6 Robert Hyatt 08:53:53 10/29/05
• Re: Trojan Horse Detection Code in Shredder 6 Kurt Utzinger 00:02:53 10/29/05
  • Re: Trojan Horse Detection Code in Shredder 6 Uri Blass 01:45:29 10/29/05
    • Re: Trojan Horse Detection Code in Shredder 6 James T. Walker 09:39:49 10/29/05

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