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Subject: KR against KQ is draw without tablebases

Author: Georg Langrath

Date: 09:35:50 01/27/03

I tried to let Chessmaster 9000 play against itself in endgame KRKQ. The side
KR with tablebases and the side  KQ without. KQ-side wasn’t nearer checkmate in
move 50 than in move 1, even with 3 minutes per move.  It is rather amusing to
look at. I think that it is impossible for a computer to solve without special
knowledge or tablebases as in the case KBNK.
Georg

Re: KR against KQ is draw without tablebases Robert Hyatt 11:55:16 01/27/03
- No problem for Crafty to checkmate KQ against KR without tablebases Georg Langrath 12:46:37 01/27/03
Re: KR against KQ is draw without tablebases Uri Blass 09:44:14 01/27/03
Re: KR against KQ is draw without tablebases Daniel Clausen 09:42:09 01/27/03
- Re: KR against KQ is draw without tablebases José de Jesús García Ruvalcaba 13:00:40 01/27/03
  - Re: KR against KQ is draw without tablebases Daniel Clausen 13:15:32 01/27/03
    - Re: KR against KQ is draw without tablebases José de Jesús García Ruvalcaba 13:38:54 01/27/03
      - Re: KR against KQ is draw without tablebases Ricardo Gibert 17:06:37 01/27/03
        
        Re: KR against KQ is draw without tablebases Robert Hyatt 18:01:51 01/27/03
        
        Re: KR against KQ is draw without tablebases James T. Walker 05:32:12 01/28/03
      - Re: KR against KQ is draw without tablebases Ricardo Gibert 15:20:38 01/27/03

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