namespace {
- /// Types
-
- enum MovegenPhase {
- PH_TT_MOVE, // Transposition table move
- PH_MATE_KILLER, // Mate killer from the current ply
- PH_GOOD_CAPTURES, // Queen promotions and captures with SEE values >= 0
- PH_BAD_CAPTURES, // Queen promotions and captures with SEE valuse <= 0
- PH_KILLER_1, // Killer move 1 from the current ply (not used yet).
- PH_KILLER_2, // Killer move 2 from the current ply (not used yet).
- PH_NONCAPTURES, // Non-captures and underpromotions
- PH_EVASIONS, // Check evasions
- PH_QCAPTURES, // Captures in quiescence search
- PH_QCHECKS, // Checks in quiescence search
- PH_STOP
- };
-
-
/// Variables
- MovegenPhase PhaseTable[32];
+ MovePicker::MovegenPhase PhaseTable[32];
int MainSearchPhaseIndex;
int EvasionsPhaseIndex;
int QsearchWithChecksPhaseIndex;
}
+
////
//// Functions
////
}
void MovePicker::score_noncaptures() {
- for(int i = 0; i < numOfMoves; i++) {
- Move m = moves[i].move;
- if(m == killer1)
- moves[i].score = HistoryMax + 2;
- else if(m == killer2)
- moves[i].score = HistoryMax + 1;
- else
- moves[i].score = H.move_ordering_score(pos->piece_on(move_from(m)), m);
+
+ for (int i = 0; i < numOfMoves; i++)
+ {
+ Move m = moves[i].move;
+ if (m == killer1)
+ moves[i].score = HistoryMax + 2;
+ else if (m == killer2)
+ moves[i].score = HistoryMax + 1;
+ else
+ moves[i].score = H.move_ordering_score(pos->piece_on(move_from(m)), m);
+
+ if (moves[i].score > 0)
+ moves[i].score += 1000;
+
+ moves[i].score += pos->mg_pst_delta(moves[i].move);
}
}
return MOVE_NONE;
}
+MovePicker::MovegenPhase MovePicker::current_move_type() const {
+ return PhaseTable[phaseIndex];
+}
/// MovePicker::init_phase_table() initializes the PhaseTable[],
/// MainSearchPhaseIndex, EvasionPhaseIndex, QsearchWithChecksPhaseIndex