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Subject: KingSecurity: Test your engine ;)

Author: Daniel Mehrmannn

Date: 05:59:38 01/05/06

Well,

yestday homer lost on ChessWar against THOR'S HAMMER 2.28 in a crazy game.
During the game i noticed at a special point there is a bug in my KingSecurity
function. Homer looking for a pawnshild, but don't checking if the king is
really behind the pawns and not in front of.

THOR'S HAMMER vs Homer:

[D]r6r/1p3ppp/1n1bkn2/p2p4/P1pP4/2N1PN2/1P3PPP/R1B2RK1 b - -

Interesting is that allso top engines having no ideas what's going on here. A
big score for white should be come here.

A few move before we reached this position in the same game:

r4b1r/1p3ppp/1n2kn2/p2pN3/P1pP4/4P3/1P3PPP/RNB2RK1 w - -

Homer moved here Kf5?? (see bug in KinSecurity). But a lot of engines do this
too.



Best,
Daniel

• ops, wrong positions ! Daniel Mehrmannn 06:01:42 01/05/06
  • Re: ops, wrong positions ! Alessandro Scotti 14:20:03 01/05/06
    • Re: ops, wrong positions ! Daniel Mehrmannn 08:18:04 01/06/06
  • Rybka 1.01 Beta 7 Manfred Rosenboom 12:36:03 01/05/06
    • Re: Rybka 1.01 Beta 7 Ernest Bonnem 17:02:59 01/05/06
    • Re: Rybka 1.01 Beta 7 Miguel A. Ballicora 15:36:56 01/05/06
  • Re: ops, wrong positions ! Eelco de Groot 09:02:48 01/05/06
    • Re: ops, wrong positions ! Eelco de Groot 12:09:10 01/05/06
  • Re: ops, wrong positions ! Robert Hyatt 08:49:45 01/05/06
  • Re: ops, wrong positions ! Will Singleton 08:23:13 01/05/06
    • Re: ops, wrong positions ! Robert Hyatt 08:45:22 01/05/06

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