Reset negative statScore on fail high

VoyagerOne · snicolet · commit b88374b14a7b · 2018-04-07T20:26:49.000+02:00
STC:
LLR: 2.95 (-2.94,2.94) [0.00,5.00]
Total: 9073 W: 1937 L: 1766 D: 5370

LTC:
LLR: 2.95 (-2.94,2.94) [0.00,5.00]
Total: 53530 W: 8139 L: 7823 D: 37568

Bench: 5170165
diff --git a/src/search.cpp b/src/search.cpp
@@ -1085,6 +1085,7 @@ namespace {
               else
               {
                   assert(value >= beta); // Fail high
+                  ss->statScore = std::max(ss->statScore, 0);
                   break;
               }
           }

Original file line number	Diff line number	Diff line change
`@@ -1085,6 +1085,7 @@ namespace {`
`1085`	`1085`	`else`
`1086`	`1086`	`{`
`1087`	`1087`	`assert(value >= beta); // Fail high`
	`1088`	`+ ss->statScore = std::max(ss->statScore, 0);`
`1088`	`1089`	`break;`
`1089`	`1090`	`}`
`1090`	`1091`	`}`