X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.cpp;h=c4ed73372df2040ffee3bc7093e61e9301011ecd;hp=8f9fa62c832150f7f5c02e3b38ee9354aee9399b;hb=282644f1413db0ccb58e2e1793d5007c58ff8ce2;hpb=8bb5a436b240d22e3e9729a1cd094169941afd7c

diff --git a/src/search.cpp b/src/search.cpp
index 8f9fa62c..c4ed7337 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -801,7 +801,7 @@ namespace {
     // Use static evaluation difference to improve quiet move ordering
     if (is_ok((ss-1)->currentMove) && !(ss-1)->inCheck && !priorCapture)
     {
-        int bonus = std::clamp(-depth * 4 * int((ss-1)->staticEval + ss->staticEval), -1000, 1000);
+        int bonus = std::clamp(-16 * int((ss-1)->staticEval + ss->staticEval), -2000, 2000);
         thisThread->mainHistory[~us][from_to((ss-1)->currentMove)] << bonus;
     }
 
@@ -1063,12 +1063,12 @@ moves_loop: // When in check, search starts here
                   && history < -3000 * depth + 3000)
                   continue;
 
-              history += thisThread->mainHistory[us][from_to(move)];                  
+              history += thisThread->mainHistory[us][from_to(move)];
 
               // Futility pruning: parent node (~5 Elo)
               if (   !ss->inCheck
                   && lmrDepth < 8
-                  && ss->staticEval + 172 + 145 * lmrDepth + history / 128 <= alpha)
+                  && ss->staticEval + 142 + 139 * lmrDepth + history / 64 <= alpha)
                   continue;
 
               // Prune moves with negative SEE (~20 Elo)