Further tweak movecount pruning

lp-- · mcostalba · commit 91c2c44fb198 · 2013-08-18T09:13:57.000+02:00
Passed both short TC
LLR: 2.95 (-2.94,2.94)
Total: 15140 W: 3125 L: 2976 D: 9039

And long TC
LLR: 2.95 (-2.94,2.94)
Total: 17118 W: 3165 L: 2974 D: 10979

bench: 4132374
diff --git a/src/search.cpp b/src/search.cpp
@@ -153,9 +153,8 @@ void Search::init() {
   // Init futility move count array
   for (d = 0; d < 32; d++)
   {
-      FutilityMoveCounts[1][d] = int(3.001 + 0.3 * pow(double(d), 1.8));
-      FutilityMoveCounts[0][d] = d < 5 ? FutilityMoveCounts[1][d]
-                                       : 3 * FutilityMoveCounts[1][d] / 4;
+      FutilityMoveCounts[0][d] = int(3.001 + 0.3 * pow(double(d       ), 1.8)) * (d < 5 ? 4 : 3) / 4;
+      FutilityMoveCounts[1][d] = int(3.001 + 0.3 * pow(double(d + 0.98), 1.8));
   }
 }
 

Original file line number	Diff line number	Diff line change
`@@ -153,9 +153,8 @@ void Search::init() {`
`153`	`153`	`// Init futility move count array`
`154`	`154`	`for (d = 0; d < 32; d++)`
`155`	`155`	`{`
`156`		`- FutilityMoveCounts[1][d] = int(3.001 + 0.3 * pow(double(d), 1.8));`
`157`		`- FutilityMoveCounts[0][d] = d < 5 ? FutilityMoveCounts[1][d]`
`158`		`- : 3 * FutilityMoveCounts[1][d] / 4;`
	`156`	`+ FutilityMoveCounts[0][d] = int(3.001 + 0.3 * pow(double(d ), 1.8)) * (d < 5 ? 4 : 3) / 4;`
	`157`	`+ FutilityMoveCounts[1][d] = int(3.001 + 0.3 * pow(double(d + 0.98), 1.8));`
`159`	`158`	`}`
`160`	`159`	`}`
`161`	`160`