Simplify check extensions

ElbertoOne · snicolet · commit 738a6dfd4c71 · 2018-10-14T20:40:57.000+02:00
Remove the !moveCountPruning condition for check extensions, which seems not necessary. STC: LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 22238 W: 4835 L: 4715 D: 12688 http://tests.stockfishchess.org/tests/view/5bb3241a0ebc592439f6d2ac LTC: LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 36593 W: 5898 L: 5802 D: 24893 http://tests.stockfishchess.org/tests/view/5bb34c220ebc592439f6d5dc Bench: 4274207
diff --git a/src/search.cpp b/src/search.cpp
@@ -933,7 +933,6 @@ namespace {
               extension = ONE_PLY;
       }
       else if (    givesCheck // Check extension (~2 Elo)
-               && !moveCountPruning
                &&  pos.see_ge(move))
           extension = ONE_PLY;
 

Original file line number	Diff line number	Diff line change
`@@ -933,7 +933,6 @@ namespace {`
`933`	`933`	`extension = ONE_PLY;`
`934`	`934`	`}`
`935`	`935`	`else if ( givesCheck // Check extension (~2 Elo)`
`936`		`- && !moveCountPruning`
`937`	`936`	`&& pos.see_ge(move))`
`938`	`937`	`extension = ONE_PLY;`
`939`	`938`