Arasan Chess 18.3
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Arasan Chess 18.3 | 15.5 Mb
Arasan is a chess program which includes an opening book with over 100,000 moves. Arasan has both a native Windows user interface and a console-based chess engine for use with Winboard or xboard. Arasan also works with Arena, another free chess interface, and with UCI-compatible programs like Shredder.
Changes in Arasan 18.3
• Bug fix: properly handle "cores" and "memory" options for Winboard.
• Adjust futility margins and allow futility pruning up to depth 5.
• Modify pruning condiitions slightly.
• Bug fix: guard against null move in updateHistoryMove.
• Bug fix: fix locking for PV update.
• Properly handle errors opening files in tuner program. Don't allow validation (-V) when running multi-threaded (does not work). Some code cleanup in the tuner.
• Fix UCI tablebase type selection option.
• Remove some restrictions on LMR.
• Fix padding in NodeInfo for better alignment.
• Allow reduction of moves in the killer and refutations phases of movegen.
• Bug fix: initialize child node from parent in searchSMP.