Avoid searching TT twice for the same key/position during probe() and store().

[stockfish] / src / uci.cpp

diff --git a/src/uci.cpp b/src/uci.cpp
index cfd112172bf11fe048c4a78447c43888006ca10b..876bb1d90718bfc6870ea302ed2af02b6b93a704 100644 (file)
--- a/src/uci.cpp
+++ b/src/uci.cpp
@@ -157,6 +157,7 @@ void UCI::loop(int argc, char* argv[]) {
 
       istringstream is(cmd);
 
+      token.clear(); // getline() could return empty or blank line
       is >> skipws >> token;
 
       if (token == "quit" || token == "stop" || token == "ponderhit")
@@ -203,7 +204,7 @@ void UCI::loop(int argc, char* argv[]) {
       else if (token == "setoption")  setoption(is);
       else if (token == "flip")       pos.flip();
       else if (token == "bench")      benchmark(pos, is);
-      else if (token == "d")          sync_cout << pos.pretty() << sync_endl;
+      else if (token == "d")          sync_cout << pos << sync_endl;
       else if (token == "isready")    sync_cout << "readyok" << sync_endl;
       else if (token == "eval")       sync_cout << Eval::trace(pos) << sync_endl;
       else
@@ -226,7 +227,7 @@ string UCI::format_value(Value v, Value alpha, Value beta) {
 
   stringstream ss;
 
-  if (abs(v) < VALUE_MATE_IN_MAX_PLY)
+  if (abs(v) < VALUE_MATE - MAX_PLY)
       ss << "cp " << v * 100 / PawnValueEg;
   else
       ss << "mate " << (v > 0 ? VALUE_MATE - v + 1 : -VALUE_MATE - v) / 2;