update stats also in check

locutus2 · zamar · commit ef4d89c9bd4f · 2015-04-09T20:41:08.000+01:00
Update stats also if in check (drop condition). STC: LLR: 3.22 (-2.94,2.94) [-3.00,1.00] Total: 87472 W: 16929 L: 16913 D: 53630 LTC: LLR: 2.96 (-2.94,2.94) [-3.00,1.00] Total: 39971 W: 6436 L: 6345 D: 27190 Bench: 7086031 Resolves #327
diff --git a/src/search.cpp b/src/search.cpp
@@ -599,7 +599,7 @@ namespace {
         ss->currentMove = ttMove; // Can be MOVE_NONE
 
         // If ttMove is quiet, update killers, history, counter move on TT hit
-        if (ttValue >= beta && ttMove && !pos.capture_or_promotion(ttMove) && !inCheck)
+        if (ttValue >= beta && ttMove && !pos.capture_or_promotion(ttMove))
             update_stats(pos, ss, ttMove, depth, nullptr, 0);
 
         return ttValue;
@@ -1144,7 +1144,7 @@ namespace {
                    :     inCheck ? mated_in(ss->ply) : DrawValue[pos.side_to_move()];
 
     // Quiet best move: update killers, history and countermoves
-    else if (bestValue >= beta && !pos.capture_or_promotion(bestMove) && !inCheck)
+    else if (bestValue >= beta && !pos.capture_or_promotion(bestMove))
         update_stats(pos, ss, bestMove, depth, quietsSearched, quietCount - 1);
 
     tte->save(posKey, value_to_tt(bestValue, ss->ply),
