assert(d > DEPTH_ZERO);
- pinned = p.pinned_pieces(pos.side_to_move());
-
if (p.in_check())
{
ttMoves[1].move = killers[0].move = killers[1].move = MOVE_NONE;
assert(d <= DEPTH_ZERO);
- pinned = p.pinned_pieces(pos.side_to_move());
-
if (p.in_check())
phasePtr = EvasionTable;
else if (d >= DEPTH_QS_CHECKS)
case PH_TT_MOVES:
move = (curMove++)->move;
if ( move != MOVE_NONE
- && pos.move_is_pl(move)
- && pos.pl_move_is_legal(move, pinned))
+ && pos.move_is_pl(move))
return move;
break;
case PH_GOOD_CAPTURES:
move = pick_best(curMove++, lastMove).move;
if ( move != ttMoves[0].move
- && move != ttMoves[1].move
- && pos.pl_move_is_legal(move, pinned))
+ && move != ttMoves[1].move)
{
// Check for a non negative SEE now
int seeValue = pos.see_sign(move);
move = (curMove++)->move;
if ( move != MOVE_NONE
&& pos.move_is_pl(move)
- && pos.pl_move_is_legal(move, pinned)
&& move != ttMoves[0].move
&& move != ttMoves[1].move
&& !pos.move_is_capture(move))
if ( move != ttMoves[0].move
&& move != ttMoves[1].move
&& move != killers[0].move
- && move != killers[1].move
- && pos.pl_move_is_legal(move, pinned))
+ && move != killers[1].move)
return move;
break;
case PH_EVASIONS:
case PH_QCAPTURES:
move = pick_best(curMove++, lastMove).move;
- if ( move != ttMoves[0].move
- && pos.pl_move_is_legal(move, pinned))
+ if (move != ttMoves[0].move)
return move;
break;
case PH_QCHECKS:
move = (curMove++)->move;
- if ( move != ttMoves[0].move
- && pos.pl_move_is_legal(move, pinned))
+ if ( move != ttMoves[0].move)
return move;
break;
// Initialize a MovePicker object for the current position
MovePickerExt<SpNode, Root> mp(pos, ttMove, depth, H, ss, (PvNode ? -VALUE_INFINITE : beta));
CheckInfo ci(pos);
+ Bitboard pinned = pos.pinned_pieces(pos.side_to_move());
ss->bestMove = MOVE_NONE;
futilityBase = ss->eval + ss->evalMargin;
singularExtensionNode = !Root
moveCount = ++sp->moveCount;
lock_release(&(sp->lock));
}
- else if (move == excludedMove)
+ else if (move == excludedMove || !pos.pl_move_is_legal(move, pinned))
continue;
else
moveCount++;
// be generated.
MovePicker mp(pos, ttMove, depth, H);
CheckInfo ci(pos);
+ Bitboard pinned = pos.pinned_pieces(pos.side_to_move());
// Loop through the moves until no moves remain or a beta cutoff occurs
while ( alpha < beta
{
assert(move_is_ok(move));
+ if (!pos.pl_move_is_legal(move, pinned))
+ continue;
+
givesCheck = pos.move_gives_check(move, ci);
// Futility pruning