X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.cpp;h=9a826d3724dc43bc7e6e8bff935f064ac18d5104;hp=fb5dfd00776c4a549f196c2761f2452ffb1abd7b;hb=2ac35027d5900a641559fae7b22a994f8b4c2d72;hpb=a834bfe8332adcb0dfc1fd280f1f9d8bbce86266 diff --git a/src/search.cpp b/src/search.cpp index fb5dfd00..9a826d37 100644 --- a/src/search.cpp +++ b/src/search.cpp @@ -331,7 +331,7 @@ void Thread::search() { if (idx > 0) { int i = (idx - 1) % 20; - if (((rootDepth / ONE_PLY + rootPos.game_ply() + SkipPhase[i]) / SkipSize[i]) % 2) + if (((rootDepth / ONE_PLY + SkipPhase[i]) / SkipSize[i]) % 2) continue; // Retry with an incremented rootDepth } @@ -670,7 +670,7 @@ namespace { { tte->save(posKey, value_to_tt(value, ss->ply), b, std::min(DEPTH_MAX - ONE_PLY, depth + 6 * ONE_PLY), - MOVE_NONE, VALUE_NONE, TT.generation()); + MOVE_NONE, VALUE_NONE); return value; } @@ -711,7 +711,7 @@ namespace { : -(ss-1)->staticEval + 2 * Eval::Tempo; tte->save(posKey, VALUE_NONE, BOUND_NONE, DEPTH_NONE, MOVE_NONE, - ss->staticEval, TT.generation()); + ss->staticEval); } // Step 7. Razoring (~2 Elo) @@ -951,7 +951,7 @@ moves_loop: // When in check, search starts from here continue; } else if ( !extension // (~20 Elo) - && !pos.see_ge(move, -Value(PawnValueEg * (depth / ONE_PLY)))) + && !pos.see_ge(move, -PawnValueEg * (depth / ONE_PLY))) continue; } @@ -1155,8 +1155,8 @@ moves_loop: // When in check, search starts from here if (!pos.capture_or_promotion(bestMove)) update_quiet_stats(pos, ss, bestMove, quietsSearched, quietCount, stat_bonus(depth + (bestValue > beta + PawnValueMg ? ONE_PLY : DEPTH_ZERO))); - else - update_capture_stats(pos, bestMove, capturesSearched, captureCount, stat_bonus(depth + ONE_PLY)); + + update_capture_stats(pos, bestMove, capturesSearched, captureCount, stat_bonus(depth + ONE_PLY)); // Extra penalty for a quiet TT move in previous ply when it gets refuted if ((ss-1)->moveCount == 1 && !pos.captured_piece()) @@ -1175,7 +1175,7 @@ moves_loop: // When in check, search starts from here tte->save(posKey, value_to_tt(bestValue, ss->ply), bestValue >= beta ? BOUND_LOWER : PvNode && bestMove ? BOUND_EXACT : BOUND_UPPER, - depth, bestMove, ss->staticEval, TT.generation()); + depth, bestMove, ss->staticEval); assert(bestValue > -VALUE_INFINITE && bestValue < VALUE_INFINITE); @@ -1239,8 +1239,8 @@ moves_loop: // When in check, search starts from here && ttHit && tte->depth() >= ttDepth && ttValue != VALUE_NONE // Only in case of TT access race - && (ttValue >= beta ? (tte->bound() & BOUND_LOWER) - : (tte->bound() & BOUND_UPPER))) + && (ttValue >= beta ? (tte->bound() & BOUND_LOWER) + : (tte->bound() & BOUND_UPPER))) return ttValue; // Evaluate the position statically @@ -1258,7 +1258,7 @@ moves_loop: // When in check, search starts from here ss->staticEval = bestValue = evaluate(pos); // Can ttValue be used as a better position evaluation? - if ( ttValue != VALUE_NONE + if ( ttValue != VALUE_NONE && (tte->bound() & (ttValue > bestValue ? BOUND_LOWER : BOUND_UPPER))) bestValue = ttValue; } @@ -1272,7 +1272,7 @@ moves_loop: // When in check, search starts from here { if (!ttHit) tte->save(posKey, value_to_tt(bestValue, ss->ply), BOUND_LOWER, - DEPTH_NONE, MOVE_NONE, ss->staticEval, TT.generation()); + DEPTH_NONE, MOVE_NONE, ss->staticEval); return bestValue; } @@ -1371,7 +1371,7 @@ moves_loop: // When in check, search starts from here else // Fail high { tte->save(posKey, value_to_tt(value, ss->ply), BOUND_LOWER, - ttDepth, move, ss->staticEval, TT.generation()); + ttDepth, move, ss->staticEval); return value; } @@ -1386,7 +1386,7 @@ moves_loop: // When in check, search starts from here tte->save(posKey, value_to_tt(bestValue, ss->ply), PvNode && bestValue > oldAlpha ? BOUND_EXACT : BOUND_UPPER, - ttDepth, bestMove, ss->staticEval, TT.generation()); + ttDepth, bestMove, ss->staticEval); assert(bestValue > -VALUE_INFINITE && bestValue < VALUE_INFINITE); @@ -1448,7 +1448,9 @@ moves_loop: // When in check, search starts from here CapturePieceToHistory& captureHistory = pos.this_thread()->captureHistory; Piece moved_piece = pos.moved_piece(move); PieceType captured = type_of(pos.piece_on(to_sq(move))); - captureHistory[moved_piece][to_sq(move)][captured] << bonus; + + if (pos.capture_or_promotion(move)) + captureHistory[moved_piece][to_sq(move)][captured] << bonus; // Decrease all the other played capture moves for (int i = 0; i < captureCnt; ++i)