Author: Vincent Lejeune
Date: 15:21:59 01/01/06
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On January 01, 2006 at 12:22:54, Vincent Lejeune wrote: >On January 01, 2006 at 10:49:38, Joachim Rang wrote: > >>On January 01, 2006 at 07:35:37, Vincent Lejeune wrote: >> >> >>>7)hard3 0:00:01 Rc2 is find very quickly but only with 0.02 score, I should run >>>this one longer to see when the engine understand the position (>3 score). >> >> >>>2k1r3/3q4/8/8/8/8/5RK1/6Q1 w - -;bm Rc2+ >> >>asccording to Nalimov EGTBs in the above position Rc2+ as well as Qc1 and Qf1 >>draw and all other moves loose. I don't think this is an intersting or hard >>testposition. >> >>Joachim > >Thanks , it is study I copied from a book some years ago (see : >http://chessprogramming.org/cccsearch/ccc.php?art_id=95553 ) >4.Qd4 was probably the drawing move overlooked by all, can you confirm this, >please ? > >[Event "?"] >[Site "?"] >[Date "????.??.??"] >[Round "?"] >[White "Nouvelle partie"] >[Black "?"] >[Result "*"] >[SetUp "1"] >[FEN "2k1r3/3q4/8/8/8/8/5RK1/6Q1 w - - 0 1"] >[PlyCount "8"] > >1. Rc2+ Kb8 2. Rb2+ Ka8 3. Qa1+ Qa7 4. Qh1 Qd4 * Ok, I found the response here : http://www.k4it.de/index.php?topic=egtb&lang=en This study was faulty, computer endgame perfection punish weak human again ...
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