DrunkenMaster

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DrunkenMaster, a Chess Engine Communication Protocol aka WinBoard, and since version 1.0 UCI compliant chess engine by Marcus Prewarski, first released in January 2003, the last recent version 1.2 released in September 2004. DrunkenMaster then became dry and evolved to the open source UCI engine Diablo.

=Features=
 * 0x88 Board Representation
 * Iterative Deepening
 * Aspiration Windows (0.2)
 * Negamax Alpha-Beta (0.1)
 * NegaScout (1.0)
 * Transposition Table
 * History Heuristic (0.3)
 * Killer Heuristic (0.3)
 * Fractional Plies (0.9)
 * Check Extensions (if king in danger)
 * Extending Promotions
 * Pawn to 7th Extensions (0.6)
 * Single Reply Extensions (0.6)
 * Threat Extensions (0.6)
 * Adaptive (1.2) Null Move Pruning (0.4)
 * Futility Pruning (0.6 - 0.9)
 * Extended Futility Pruning


 * Static Exchange Evaluation for Move Ordering and Pruning
 * Pruning at Frontier Nodes (1.2)
 * Quiescence Search
 * Checks in Quiescence


 * Evaluation (at all interior nodes since 1.0)
 * Lazy Evaluation (0.3 - 0.7)
 * Opening Book
 * Pondering (0.8)

=See also=
 * Diablo

=Forum Posts=
 * DrunkenMaster 0.1 - New engine by Marcus Prewarski, Winboard Forum, January 27, 2003
 * New version of DrunkenMaster is available by Marcus Prewarski, Winboard Forum, October 16, 2003
 * DrunkenMaster 0.6 is buggy by Marcus Prewarski, Winboard Forum, October 22, 2003
 * DrunkenMaster 0.7 by Marcus Prewarski, Winboard Forum, October 28, 2003
 * DrunkenMaster 0.8 by Marcus Prewarski, Winboard Forum, December 18, 2003
 * New version of DrunkenMaster by Marcus Prewarski, Winboard Forum, February 06, 2004
 * Some games: DrunkenMaster 1.0 by Patrick Buchmann, Winboard Forum, April 15, 2004

=External Links=

Chess Engine

 * Drunken Master Chess Engine by Marcus Prewarski
 * Engine Download List from Ron Murawski's Computer-Chess Wiki

Misc

 * Alcohol intoxication from Wikipedia
 * drunk - Wiktionary
 * Drunk (disambiguation) from Wikipedia
 * Master - Wiktionary
 * Master from Wikipedia
 * Drunken Master from Wikipedia
 * Drunken Master II from Wikipedia
 * Drunken Chess Tournament
 * Cream - Sweet Wine, Winterland, San Francisco, March 10, 1968, YouTube Video

=References= Up one Level