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https://github.com/sockspls/badfish
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Restore PorbCut name
Actually MultiCut is too different from current scheme. Note that neither ProbCut is exactly what we do because we try just a handful of captures instead of all moves, nevertheless it seems more in line with what we do. Suggested by Joona. No functional change.
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2 changed files with 6 additions and 6 deletions
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@ -30,7 +30,7 @@ namespace {
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EVASION, EVASIONS_S2,
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QSEARCH_0, CAPTURES_S3, QUIET_CHECKS_S3,
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QSEARCH_1, CAPTURES_S4,
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MULTICUT, CAPTURES_S5,
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PROBCUT, CAPTURES_S5,
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RECAPTURE, CAPTURES_S6,
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STOP
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};
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@ -128,9 +128,9 @@ MovePicker::MovePicker(const Position& p, Move ttm, const HistoryStats& h, Piece
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assert(!pos.checkers());
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stage = MULTICUT;
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stage = PROBCUT;
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// In MultiCut we generate only captures that are better than the parent's
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// In ProbCut we generate only captures that are better than the parent's
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// captured piece.
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captureThreshold = PieceValue[MG][pt];
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ttMove = (ttm && pos.pseudo_legal(ttm) ? ttm : MOVE_NONE);
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@ -281,7 +281,7 @@ void MovePicker::generate_next_stage() {
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end = generate<QUIET_CHECKS>(pos, moves);
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return;
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case EVASION: case QSEARCH_0: case QSEARCH_1: case MULTICUT: case RECAPTURE:
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case EVASION: case QSEARCH_0: case QSEARCH_1: case PROBCUT: case RECAPTURE:
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stage = STOP;
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case STOP:
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end = cur + 1; // Avoid another next_phase() call
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@ -309,7 +309,7 @@ Move MovePicker::next_move<false>() {
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switch (stage) {
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case MAIN_SEARCH: case EVASION: case QSEARCH_0: case QSEARCH_1: case MULTICUT:
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case MAIN_SEARCH: case EVASION: case QSEARCH_0: case QSEARCH_1: case PROBCUT:
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++cur;
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return ttMove;
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@ -659,7 +659,7 @@ namespace {
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}
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}
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// Step 9. Multi-Cut (skipped when in check)
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// Step 9. ProbCut (skipped when in check)
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// If we have a very good capture (i.e. SEE > seeValues[captured_piece_type])
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// and a reduced search returns a value much above beta, we can (almost) safely
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// prune the previous move.
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