Micro optimization that gives a 0.5% speed improvment
No functional change.
Signed-off-by: Marco Costalba <mcostalba@gmail.com>
&& !value_is_mate(beta)
&& !pos.has_pawn_on_7th(pos.side_to_move()))
{
+ // Pass ss->eval to qsearch() and avoid an evaluate call
+ if (!tte || tte->static_value() == VALUE_NONE)
+ TT.store(posKey, ss->eval, VALUE_TYPE_EXACT, Depth(-127*OnePly), MOVE_NONE, ss->eval, ei.kingDanger[pos.side_to_move()]);
+
Value rbeta = beta - razor_margin(depth);
Value v = qsearch<NonPV>(pos, ss, rbeta-1, rbeta, Depth(0));
if (v < rbeta)