Merge official-stockfish/master

bench: 4806948

diff --cc README.md
Simple merge

diff --cc src/evaluate.cpp
index b9ae0ab,f0784e8..9b30887
--- 1/src/evaluate.cpp
--- 2/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@@ -46,9 -47,10 +47,11 @@@
  // Note that this does not work in Microsoft Visual Studio.
  #if !defined(_MSC_VER) && !defined(NNUE_EMBEDDING_OFF)
    INCBIN(EmbeddedNNUE, EvalFileDefaultName);
+   constexpr bool             gHasEmbeddedNet = true;
  #else
+   constexpr bool             gHasEmbeddedNet = false;
    const unsigned char        gEmbeddedNNUEData[1] = {0x0};
 +  [[maybe_unused]]
    const unsigned char *const gEmbeddedNNUEEnd = &gEmbeddedNNUEData[1];
    const unsigned int         gEmbeddedNNUESize = 1;
  #endif

diff --cc src/evaluate.h
Simple merge

diff --cc src/position.h
Simple merge

diff --cc src/search.cpp
index 2bcb937,bcd53f9..299de9e
--- 1/src/search.cpp
--- 2/src/search.cpp
+++ b/src/search.cpp
@@@ -1298,17 -1154,6 +1297,12 @@@ moves_loop: // When in check, search st
            }
        }
  
-       // Check extension (~2 Elo)
-       else if (    givesCheck
-                && (pos.is_discovered_check_on_king(~us, move) || pos.see_ge(move)))
-           extension = 1;
- 
 +      // Losing chess capture extension
 +      else if (    pos.must_capture()
 +               &&  pos.capture(move)
 +               &&  (ss->inCheck || MoveList<CAPTURES>(pos).size() == 1))
 +          extension = 1;
 +
        // Add extension to new depth
        newDepth += extension;
  

diff --cc src/timeman.cpp
Simple merge

diff --cc src/timeman.h
Simple merge

diff --cc src/uci.cpp
index 009a088,64bb7a7..a78caa9
--- 1/src/uci.cpp
--- 2/src/uci.cpp
+++ b/src/uci.cpp
@@@ -348,21 -277,7 +348,22 @@@ void UCI::loop(int argc, char* argv[]) 
        else if (token == "d")        sync_cout << pos << sync_endl;
        else if (token == "eval")     trace_eval(pos);
        else if (token == "compiler") sync_cout << compiler_info() << sync_endl;
+       else if (token == "export_net") Eval::NNUE::export_net();
 +      else if (token == "load")     { load(is); argc = 1; } // continue reading stdin
 +      else if (token == "check")    check(is);
 +      // UCI-Cyclone omits the "position" keyword
 +      else if (token == "fen" || token == "startpos")
 +      {
 +#ifdef LARGEBOARDS
 +          if (Options["Protocol"] == "uci" && Options["UCI_Variant"] == "chess")
 +          {
 +              Options["Protocol"].set_default("ucicyclone");
 +              Options["UCI_Variant"].set_default("xiangqi");
 +          }
 +#endif
 +          is.seekg(0);
 +          position(pos, is, states);
 +      }
        else if (!token.empty() && token[0] != '#')
            sync_cout << "Unknown command: " << cmd << sync_endl;