Author: Andreas Stabel
Date: 05:55:21 09/21/99
Go up one level in this thread
On September 21, 1999 at 06:45:55, Phil Dixon wrote: >On September 21, 1999 at 05:20:06, Andreas Stabel wrote: > >>On September 20, 1999 at 18:17:20, Dann Corbit wrote: >> >>>On September 20, 1999 at 11:53:07, Shep wrote: >>>>On September 20, 1999 at 11:05:05, Andreas Stabel wrote: >>>> >>>>>1. no promoted pieces, without promotion moves: 109 white moves (W.Cross 1967) >>>>>2. no promoted pieces : 144 white moves (J.Ban 1960) >>>>>3. with promoted pieces : 218 white moves (Dickins 1968) >>>>>4. with all 32 pieces : 99 white moves (HH.Cross 1946) >>>>> >>>>>1. 5k2/2K5/3N1B1P/P1NB4/6Q1/4R3/P1PP1P1P/1R6 w - - 0 1 >>>>>2. n1r1r1b1/1P1P1P1P/1Q6/3NBNK1/R7/4p1p1/3PBPkP/2R5 w - - 0 1 >>>>>3. 3Q4/1Q4Q1/4Q3/2Q4R/Q4Q2/3Q4/1Q4Rp/1K1BBNNk w - - 0 1 >>>>>4. q2Q3r/n6R/kpB1N1K1/p1p1Bppp/1PN3P1/1n1pp1b1/P1PPPP1P/r5Rb w - - 0 1 >>>>> >>>>>Theese positions may break several chess engines :) >>>> >>>>#3 broke every one I tried about 1 year ago: Crafty, MChess, Fritz, ... :) >>> >>>Crafty zips right through them now. I suggest that 256 is probably a reasonable >>>limit for holding possible moves. It fits in an unsigned char for storing the >>>count. If we have some enormous array of objects that is a function of the move >>>count, it might be wise to try to trim it though. >>> >> >>I've scanned through the whole granit collection of games, containing a >>total of 1496327 games and 111941117 moves. The maximum number of legal >>moves in any position in theese games were only 92, so I think 128 should >>be more than enough for ordinary chess games. >> >>Regards >>Andreas Stabel > >Could you post the game that has a position with 92 moves for one side. I would >surely like to see an example. I was hoping for something from a real game. >Many thanks!! > >Best regards, >Phil I am sorry, but I don't have those files anymore. Perhaps I will download them again, if I can find them. I would like this game too :) Regards Andreas
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