Enable LMR for a capture/promotion move which does not seem
to have a good chance to fail high according to static eval
and value of captured piece.
STC:
LLR: 2.96 (-2.94,2.94) [0.50,4.50]
Total: 40477 W: 9158 L: 8792 D: 22527
http://tests.stockfishchess.org/tests/view/
5cceedc60ebc5925cf04174f
LTC:
LLR: 2.94 (-2.94,2.94) [0.00,3.50]
Total: 21926 W: 3873 L: 3634 D: 14419
http://tests.stockfishchess.org/tests/view/
5ccf04310ebc5925cf041ab0
Bench:
3644175
// re-searched at full depth.
if ( depth >= 3 * ONE_PLY
&& moveCount > 1
- && (!captureOrPromotion || moveCountPruning))
+ && ( !captureOrPromotion
+ || moveCountPruning
+ || ss->staticEval + PieceValue[EG][pos.captured_piece()] <= alpha))
{
Depth r = reduction<PvNode>(improving, depth, moveCount);