- case CAPTURES_S1: case CAPTURES_S3: case CAPTURES_S4: case CAPTURES_S5: case CAPTURES_S6:
- end = generate<CAPTURES>(pos, moves);
- score<CAPTURES>();
- return;
-
- case KILLERS_S1:
- cur = killers;
- end = cur + 2;
-
- killers[0].move = ss->killers[0];
- killers[1].move = ss->killers[1];
- killers[2].move = killers[3].move = MOVE_NONE;
- killers[4].move = killers[5].move = MOVE_NONE;
-
- // Please note that following code is racy and could yield to rare (less
- // than 1 out of a million) duplicated entries in SMP case. This is harmless.
-
- // Be sure countermoves are different from killers
- for (int i = 0; i < 2; ++i)
- if ( countermoves[i] != (cur+0)->move
- && countermoves[i] != (cur+1)->move)
- (end++)->move = countermoves[i];
-
- // Be sure followupmoves are different from killers and countermoves
- for (int i = 0; i < 2; ++i)
- if ( followupmoves[i] != (cur+0)->move
- && followupmoves[i] != (cur+1)->move
- && followupmoves[i] != (cur+2)->move
- && followupmoves[i] != (cur+3)->move)
- (end++)->move = followupmoves[i];
- return;
-
- case QUIETS_1_S1:
- endQuiets = end = generate<QUIETS>(pos, moves);
- score<QUIETS>();
- end = std::partition(cur, end, [](const ExtMove& m) { return m.value > VALUE_ZERO; });
- insertion_sort(cur, end);
- return;
-
- case QUIETS_2_S1:
- cur = end;
- end = endQuiets;
- if (depth >= 3 * ONE_PLY)
- insertion_sort(cur, end);
- return;
-
- case BAD_CAPTURES_S1:
- // Just pick them in reverse order to get MVV/LVA ordering
- cur = moves + MAX_MOVES - 1;
- end = endBadCaptures;
- return;
-
- case EVASIONS_S2:
- end = generate<EVASIONS>(pos, moves);
- if (end > moves + 1)
- score<EVASIONS>();
- return;
-
- case QUIET_CHECKS_S3:
- end = generate<QUIET_CHECKS>(pos, moves);
- return;
-
- case EVASION: case QSEARCH_0: case QSEARCH_1: case PROBCUT: case RECAPTURE:
- stage = STOP;
- /* Fall through */
-
- case STOP:
- end = cur + 1; // Avoid another next_phase() call
- return;
-
- default:
- assert(false);
- }
-}