- o["Write Debug Log"] = Option(false, on_logger);
- o["Write Search Log"] = Option(false);
- o["Search Log Filename"] = Option("SearchLog.txt");
- o["Book File"] = Option("book.bin");
- o["Best Book Move"] = Option(false);
- o["Contempt Factor"] = Option(0, -50, 50);
- o["Mobility (Midgame)"] = Option(100, 0, 200, on_eval);
- o["Mobility (Endgame)"] = Option(100, 0, 200, on_eval);
- o["Pawn Structure (Midgame)"] = Option(100, 0, 200, on_eval);
- o["Pawn Structure (Endgame)"] = Option(100, 0, 200, on_eval);
- o["Passed Pawns (Midgame)"] = Option(100, 0, 200, on_eval);
- o["Passed Pawns (Endgame)"] = Option(100, 0, 200, on_eval);
- o["Space"] = Option(100, 0, 200, on_eval);
- o["Aggressiveness"] = Option(100, 0, 200, on_eval);
- o["Cowardice"] = Option(100, 0, 200, on_eval);
- o["Min Split Depth"] = Option(0, 0, 12, on_threads);
- o["Max Threads per Split Point"] = Option(5, 4, 8, on_threads);
- o["Threads"] = Option(1, 1, MAX_THREADS, on_threads);
- o["Idle Threads Sleep"] = Option(true);
- o["Hash"] = Option(32, 1, 8192, on_hash_size);
- o["Clear Hash"] = Option(on_clear_hash);
- o["Ponder"] = Option(true);
- o["OwnBook"] = Option(false);
- o["MultiPV"] = Option(1, 1, 500);
- o["Skill Level"] = Option(20, 0, 20);
- o["Emergency Move Horizon"] = Option(40, 0, 50);
- o["Emergency Base Time"] = Option(50, 0, 30000);
- o["Emergency Move Time"] = Option(20, 0, 5000);
- o["Minimum Thinking Time"] = Option(20, 0, 5000);
- o["Slow Mover"] = Option(50, 10, 1000);
- o["UCI_Chess960"] = Option(false);
- o["UCI_AnalyseMode"] = Option(false, on_eval);
+ const int MaxHashMB = Is64Bit ? 1024 * 1024 : 2048;
+
+ o["Write Debug Log"] << Option(false, on_logger);
+ o["Contempt"] << Option(0, -100, 100);
+ o["Min Split Depth"] << Option(0, 0, 12, on_threads);
+ o["Threads"] << Option(1, 1, MAX_THREADS, on_threads);
+ o["Hash"] << Option(16, 1, MaxHashMB, on_hash_size);
+ o["Clear Hash"] << Option(on_clear_hash);
+ o["Ponder"] << Option(true);
+ o["MultiPV"] << Option(1, 1, 500);
+ o["Skill Level"] << Option(20, 0, 20);
+ o["Move Overhead"] << Option(30, 0, 5000);
+ o["Minimum Thinking Time"] << Option(20, 0, 5000);
+ o["Slow Mover"] << Option(80, 10, 1000);
+ o["UCI_Chess960"] << Option(false);
+ o["SyzygyPath"] << Option("<empty>", on_tb_path);
+ o["SyzygyProbeDepth"] << Option(1, 1, 100);
+ o["Syzygy50MoveRule"] << Option(true);
+ o["SyzygyProbeLimit"] << Option(6, 0, 6);