diff --git a/src/search.cpp b/src/search.cpp index 0c543c30..8e8e9353 100644 --- a/src/search.cpp +++ b/src/search.cpp @@ -1444,12 +1444,12 @@ moves_loop: // When in check, search starts here // Bonus for prior quiet countermove that caused the fail low else if (!priorCapture && prevSq != SQ_NONE) { - int bonusScale = (std::clamp(160 * (depth - 4) / 2, 0, 200) + 34 * !allNode - + 164 * ((ss - 1)->moveCount > 8) - + 141 * (!ss->inCheck && bestValue <= ss->staticEval - 100) - + 121 * (!(ss - 1)->inCheck && bestValue <= -(ss - 1)->staticEval - 75) - + 86 * ((ss - 1)->isTTMove) + 86 * (ss->cutoffCnt <= 3) - + std::min(-(ss - 1)->statScore / 112, 303)); + int bonusScale = + (std::clamp(80 * depth - 320, 0, 200) + 34 * !allNode + 164 * ((ss - 1)->moveCount > 8) + + 141 * (!ss->inCheck && bestValue <= ss->staticEval - 100) + + 121 * (!(ss - 1)->inCheck && bestValue <= -(ss - 1)->staticEval - 75) + + 86 * ((ss - 1)->isTTMove) + 86 * (ss->cutoffCnt <= 3) + + std::min(-(ss - 1)->statScore / 112, 303)); bonusScale = std::max(bonusScale, 0);