- 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, 1024 * 1024, on_hash_size);
+ // at most 2^32 clusters.
+ constexpr int MaxHashMB = Is64Bit ? 131072 : 2048;
+
+ o["Debug Log File"] << Option("", on_logger);
+ o["Contempt"] << Option(21, -100, 100);
+ o["Analysis Contempt"] << Option("Both var Off var White var Black var Both", "Both");
+ o["Threads"] << Option(1, 1, 512, on_threads);
+ o["Hash"] << Option(16, 1, MaxHashMB, on_hash_size);