X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.cpp;h=450df57539ca9349ded64dd855f8f7eae50f22bf;hp=c188469146eb074ae85ea6c72cef191fdaa014a2;hb=81d6c4a0d60f589f36a970f48bf179ae509aa4b0;hpb=60c121f3b1ee7d5ced3435cc1718e4e6e6fd8383 diff --git a/src/search.cpp b/src/search.cpp index c1884691..450df575 100644 --- a/src/search.cpp +++ b/src/search.cpp @@ -199,7 +199,7 @@ void Search::think() { if (RootMoves.empty()) { - RootMoves.push_back(MOVE_NONE); + RootMoves.push_back(RootMove(MOVE_NONE)); sync_cout << "info depth 0 score " << UCI::value(RootPos.checkers() ? -VALUE_MATE : VALUE_DRAW) << sync_endl; @@ -1383,15 +1383,13 @@ moves_loop: // When in check and at SpNode search starts from here // then we choose the move with the resulting highest score. for (size_t i = 0; i < multiPV; ++i) { - int score = RootMoves[i].score; - // This is our magic formula - score += ( weakness * int(RootMoves[0].score - score) - + variance * (rng.rand() % weakness)) / 128; + int push = ( weakness * int(RootMoves[0].score - RootMoves[i].score) + + variance * (rng.rand() % weakness)) / 128; - if (score > maxScore) + if (RootMoves[i].score + push > maxScore) { - maxScore = score; + maxScore = RootMoves[i].score + push; best = RootMoves[i].pv[0]; } } @@ -1444,7 +1442,7 @@ string UCI::pv(const Position& pos, Depth depth, Value alpha, Value beta) { << " nps " << pos.nodes_searched() * 1000 / elapsed; if (elapsed > 1000) // Earlier makes little sense - ss << " hashfull " << TT.hashfull(); + ss << " hashfull " << TT.hashfull(); ss << " tbhits " << TB::Hits << " time " << elapsed