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#341 ChessX Failing to Draw Game by Insufficient Material

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closed
nobody
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5
2025-08-05
2023-05-23
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In an engine match, ChessX allowed both to keep playing even though both sides had been reduced to bare kings. ChessX should recognize material insufficiency and draw the game.

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  • Jens Nissen

    Jens Nissen - 2023-05-23
    • status: open --> closed
     
  • Jens Nissen

    Jens Nissen - 2023-05-23

    Actually, there is code which should capture this - but there is a slight inaccuracy which will be fixed in the next release. On my PC, ChessX nevertheless claims the draw for the engines when I replay your game. But this might depend on some machine representation of 64 bit integer values (which I can hardly believe but you never know - I wish I could reproduce the behaviour you experience).

     

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