X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.cpp;h=314623084ff4eff2330b8185b3e9dd496f1d3261;hp=4590bd4a1905c6f3e0baa5931f3284487565fe68;hb=ef4d89c9bd4fff869f9b57d7f5fcdacdfd46f91c;hpb=df722521ba7027df394ed6370571cb5dc2ed6da1 diff --git a/src/search.cpp b/src/search.cpp index 4590bd4a..31462308 100644 --- a/src/search.cpp +++ b/src/search.cpp @@ -129,7 +129,6 @@ namespace { }; size_t PVIdx; - TimeManagement Time; EasyMoveManager EasyMove; double BestMoveChanges; Value DrawValue[COLOR_NB]; @@ -218,11 +217,12 @@ template uint64_t Search::perft(Position& pos, Depth depth); void Search::think() { - Time.init(Limits, RootPos.side_to_move(), RootPos.game_ply(), now()); + Color us = RootPos.side_to_move(); + Time.init(Limits, us, RootPos.game_ply(), now()); int contempt = Options["Contempt"] * PawnValueEg / 100; // From centipawns - DrawValue[ RootPos.side_to_move()] = VALUE_DRAW - Value(contempt); - DrawValue[~RootPos.side_to_move()] = VALUE_DRAW + Value(contempt); + DrawValue[ us] = VALUE_DRAW - Value(contempt); + DrawValue[~us] = VALUE_DRAW + Value(contempt); TB::Hits = 0; TB::RootInTB = false; @@ -291,6 +291,11 @@ void Search::think() { Threads.timer->run = false; } + // When playing in 'nodes as time' mode, subtract the searched nodes from + // the available ones before to exit. + if (Limits.npmsec) + Time.availableNodes += Limits.inc[us] - RootPos.nodes_searched(); + // When we reach the maximum depth, we can arrive here without a raise of // Signals.stop. However, if we are pondering or in an infinite search, // the UCI protocol states that we shouldn't print the best move before the @@ -594,7 +599,7 @@ namespace { ss->currentMove = ttMove; // Can be MOVE_NONE // If ttMove is quiet, update killers, history, counter move on TT hit - if (ttValue >= beta && ttMove && !pos.capture_or_promotion(ttMove) && !inCheck) + if (ttValue >= beta && ttMove && !pos.capture_or_promotion(ttMove)) update_stats(pos, ss, ttMove, depth, nullptr, 0); return ttValue; @@ -1139,7 +1144,7 @@ moves_loop: // When in check and at SpNode search starts from here : inCheck ? mated_in(ss->ply) : DrawValue[pos.side_to_move()]; // Quiet best move: update killers, history and countermoves - else if (bestValue >= beta && !pos.capture_or_promotion(bestMove) && !inCheck) + else if (bestValue >= beta && !pos.capture_or_promotion(bestMove)) update_stats(pos, ss, bestMove, depth, quietsSearched, quietCount - 1); tte->save(posKey, value_to_tt(bestValue, ss->ply), @@ -1297,8 +1302,7 @@ moves_loop: // When in check and at SpNode search starts from here // Detect non-capture evasions that are candidates to be pruned evasionPrunable = InCheck && bestValue > VALUE_MATED_IN_MAX_PLY - && !pos.capture(move) - && !pos.can_castle(pos.side_to_move()); + && !pos.capture(move); // Don't search moves with negative SEE values if ( (!InCheck || evasionPrunable)