Author: Eelco de Groot
Date: 23:09:35 09/04/05
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On September 03, 2005 at 16:28:07, David Dahlem wrote: >I'm currently using the same positions for my bench test as Crafty. And i'm >thinking about changing to different positions. What criteria should i use in >selecting good bench positions? All middlegame position, or a mixture of >opening, middlegame, endgame, quiet positions, non-quiet positions, etc.? > >Also any specific positions would be appreciated. :-) > >Regards >Dave Roman Hartmann converted the first 50 interesting candidate positions from Michael Gurevich to EPD format in this thread on CSS Forum, also the selection of the WM Test WM-Express: http://f23.parsimony.net/forum50826/messages/132040.htm But best testpositions I think are from games of your own program, where it is not playing very well, but almost gets it right, or you think you could fix it, that makes working for progress easier I think? Eelco Two fairly difficult ones: [D]rr4k1/5p2/3p2p1/3P3p/pnP1P2P/Bn2NR2/5PP1/qB1Q2K1 w - - 1 1 Ferret-Gandalf, WMCCC 2001, best moves 43.e5 or 43.Nf5 altough both still lose... r1b2rk1/pp1pnppp/8/q2P4/1b1Q4/5N2/PPB2PPP/R1B2RK1 w - - 0 13 From Piet de Hoop: ------------------------------------------------------------------------------- Posted by piet de hoop (Profile) on April 10, 2005 at 04:00:22: [D] r1b2rk1/pp1pnppp/8/q2P4/1b1Q4/5N2/PPB2PPP/R1B2RK1 w - - 0 13 Yesterday i got this position during a clubgame and immediately calculated the bishop sac on h7. I didn't see everything but i really liked the idea to go for the sac and later on i won the game. At home i analyzed this position with the computer, and found out that pawn move to a3 (at short time controls) is favourable for computerprograms. (Bishop at b4 doesn't have a good place to move to). After forcing the bishop move to h7 the computer analysis where also positive for white. Is there a program that agrees with me and play the bishop sac instead of a3? regards Piet -------------------------------------------------------------------------------
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