Merge increased 'movecount' pruning

Good at both short and long TC

15+0.05
LLR: 2.95 (-2.94,2.94)
Total: 13814 W: 2731 L: 2588 D: 8495

TC 60+0.05
LLR: 2.95 (-2.94,2.94)
Total: 18013 W: 3136 L: 2946 D: 11931

bench: 4306557

diff --git a/src/search.cpp b/src/search.cpp
index f303b57684cc545be1a3e83cb3355a1008c4bb10..daed19135359406ddfde08e3c5f825b5e918803c 100644 (file)
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -145,7 +145,7 @@ void Search::init() {
 
   // Init futility move count array
   for (d = 0; d < 32; d++)
-      FutilityMoveCounts[d] = int(3.001 + 0.25 * pow(double(d), 2.0));
+      FutilityMoveCounts[d] = int(3.001 + 0.3 * pow(double(d), 1.8));
 }