Merge official-stockfish/master

bench: 4838140

diff --cc README.md
Simple merge

diff --cc src/nnue/nnue_feature_transformer.h
Simple merge

diff --cc src/search.cpp
index c15a5a7,8f8d42c..69ab64f
--- 1/src/search.cpp
--- 2/src/search.cpp
+++ b/src/search.cpp
@@@ -1167,9 -1025,9 +1167,9 @@@ moves_loop: // When in check, search st
            else
            {
                // Continuation history based pruning (~20 Elo)
-               if (   lmrDepth < 4
+               if (   lmrDepth < 5
 -                  && (*contHist[0])[movedPiece][to_sq(move)] < CounterMovePruneThreshold
 -                  && (*contHist[1])[movedPiece][to_sq(move)] < CounterMovePruneThreshold)
 +                  && (*contHist[0])[history_slot(movedPiece)][to_sq(move)] < CounterMovePruneThreshold
 +                  && (*contHist[1])[history_slot(movedPiece)][to_sq(move)] < CounterMovePruneThreshold)
                    continue;
  
                // Futility pruning: parent node (~5 Elo)