Author: Guido Schimmels
Date: 08:22:18 05/15/98
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On May 14, 1998 at 05:32:13, frank phillips wrote: >Can anyone point me in the direction of explanations of the techniques >used in chess programming. Having learnt a bit of C this year and with >the help of articles found on the Net about search algorithms managed to >write crude connect4 and othello programs, I would now appreciate some >pointers to simple but thorough and complete explanations of bitboards >and hashtables. Several articles I have found partially explain these >topics but usually assume that the reader has more knowledge than I do, >perhaps because they assume a basic programming background which I do >not have. The source code to Crafty (thanks Bob) is well documented but >beyond me at the moment. On a specific issue, I would be grateful for >an explanation of how to get a pv out of the (alpha/beta negamax) >search. Everything I have tried so far based on storing the best move >in an array pv[depth] has failed, so I seem to be missing a fundamental >point - or am just plain stupid :-/ When you want to have 'thorough and complete explanations' I'm afraid you'll have to buy a book - at least I have not found something on the net that could fullfill such a demand. But the stuff at http://www.ics.uci.edu/~eppstein/180a/s97.html may help you a bit. - Guido
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