Merge branch 'main' of https://github.com/aronpetko/integral

Bench: 1846877
aronpetko · Oct 31, 2024 · 3fd1126 · 3fd1126
2 parents c67ab94 + 41087d8
commit 3fd1126
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Showing 2 changed files with 5 additions and 6 deletions.
diff --git a/src/engine/search/constants.h b/src/engine/search/constants.h
@@ -45,7 +45,7 @@ TUNABLE(kFutMarginHistDiv, 147, 32, 256, false);
 TUNABLE(kSeePruneDepth, 8, 6, 12, true);
 TUNABLE(kSeeQuietThresh, -62, -100, -20, false);
 TUNABLE(kSeeNoisyThresh, -115, -200, -50, false);
-TUNABLE(kSeeNoisyHistDiv, 151, 32, 256, false);
+TUNABLE(kSeePruneHistDiv, 151, 32, 256, false);
 
 TUNABLE(kHistPruneDepth, 5, 3, 8, true);
 TUNABLE(kHistThreshBase, -481, -1000, 500, false);

diff --git a/src/engine/search/search.cc b/src/engine/search/search.cc
@@ -1,8 +1,8 @@
 #include "search.h"
 
 #include <algorithm>
-#include <thread>
 #include <numeric>
+#include <thread>
 
 #include "../uci/reporter.h"
 #include "constants.h"
@@ -786,10 +786,9 @@ Score Search::PVSearch(Thread &thread,
 
       // Static Exchange Evaluation (SEE) Pruning: Skip moves that lose too much
       // material
-      const int see_threshold = is_quiet
-                                  ? kSeeQuietThresh * depth
-                                  : kSeeNoisyThresh * depth -
-                                        stack->history_score / kSeeNoisyHistDiv;
+      const int see_threshold =
+          (is_quiet ? kSeeQuietThresh * depth : kSeeNoisyThresh * depth) -
+          stack->history_score / kSeePruneHistDiv;
       if (depth <= kSeePruneDepth && moves_seen >= 1 &&
           !eval::StaticExchange(move, see_threshold, state)) {
         continue;