bench 1648722

xu-shawn · xu-shawn · commit 3941848eea4a · 2024-04-28T12:53:38.000-07:00
diff --git a/src/search.cpp b/src/search.cpp
@@ -1055,10 +1055,9 @@ Value Search::Worker::search(
                     {
                         extension = 2 + (value < singularBeta - 11 && !ttCapture);
 
-                        if (value < singularBeta - 200 && !ttCapture && (ss + 1)->cutoffCnt > 3
-                            && tte->depth() >= depth - 2)
+                        if (value < singularBeta - 300 && !ttCapture && tte->depth() >= depth - 2)
                         {
-                            singularBeta -= 200;
+                            singularBeta -= 300;
                             singularDepth = newDepth * 2 / 3;
 
                             ss->excludedMove  = move;

Original file line number	Diff line number	Diff line change
`@@ -1055,10 +1055,9 @@ Value Search::Worker::search(`
`1055`	`1055`	`{`
`1056`	`1056`	`extension = 2 + (value < singularBeta - 11 && !ttCapture);`
`1057`	`1057`
`1058`		`- if (value < singularBeta - 200 && !ttCapture && (ss + 1)->cutoffCnt > 3`
`1059`		`- && tte->depth() >= depth - 2)`
	`1058`	`+ if (value < singularBeta - 300 && !ttCapture && tte->depth() >= depth - 2)`
`1060`	`1059`	`{`
`1061`		`- singularBeta -= 200;`
	`1060`	`+ singularBeta -= 300;`
`1062`	`1061`	`singularDepth = newDepth * 2 / 3;`
`1063`	`1062`
`1064`	`1063`	`ss->excludedMove = move;`