Update bestValue when futility pruning (2)

mcostalba · mcostalba · commit 0b4ea54da999 · 2013-03-24T23:32:21.000+01:00
Same idea of 5af8179 in qsearch() but applied to search() After 15500 games at 15+0.05 ELO: 4.48 +-3.4 (95%) LOS: 99.5% Total: 15500 W: 3061 L: 2861 D: 9578 bench: 4985829
diff --git a/src/search.cpp b/src/search.cpp
@@ -879,9 +879,14 @@ namespace {
 
           if (futilityValue < beta)
           {
+              bestValue = std::max(bestValue, futilityValue);
+
               if (SpNode)
+              {
                   splitPoint->mutex.lock();
-
+                  if (bestValue > splitPoint->bestValue)
+                      splitPoint->bestValue = bestValue;
+              }
               continue;
           }
 

Original file line number	Diff line number	Diff line change
`@@ -879,9 +879,14 @@ namespace {`
`879`	`879`
`880`	`880`	`if (futilityValue < beta)`
`881`	`881`	`{`
	`882`	`+ bestValue = std::max(bestValue, futilityValue);`
	`883`	`+`
`882`	`884`	`if (SpNode)`
	`885`	`+ {`
`883`	`886`	`splitPoint->mutex.lock();`
`884`		`-`
	`887`	`+ if (bestValue > splitPoint->bestValue)`
	`888`	`+ splitPoint->bestValue = bestValue;`
	`889`	`+ }`
`885`	`890`	`continue;`
`886`	`891`	`}`
`887`	`892`