X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmove.cpp;h=62ec7579659817cc6233700f0a44ea9c41f9b3f6;hp=fdc6946b7dd9aaf2e53a5e286785c492a0c327eb;hb=1b2af05ea69abffff432f7f20685e144bd24055e;hpb=5bb766e826af935b159cbd2ab9c59b279930dc5e

diff --git a/src/move.cpp b/src/move.cpp
index fdc6946b..62ec7579 100644
--- a/src/move.cpp
+++ b/src/move.cpp
@@ -17,6 +17,7 @@
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
+#include <algorithm>
 #include <cassert>
 #include <string>
 
@@ -56,7 +57,10 @@ const string move_to_uci(Move m, bool chess960) {
 /// simple coordinate notation and returns an equivalent Move if any.
 /// Moves are guaranteed to be legal.
 
-Move move_from_uci(const Position& pos, const string& str) {
+Move move_from_uci(const Position& pos, string str) {
+
+  // Some GUIs, like Junior, could send promotion in uppercase
+  std::transform(str.begin(), str.end(), str.begin(), tolower);
 
   for (MoveList<MV_LEGAL> ml(pos); !ml.end(); ++ml)
       if (str == move_to_uci(ml.move(), pos.is_chess960()))
@@ -97,7 +101,7 @@ const string move_to_san(Position& pos, Move m) {
 
           // Disambiguation if we have more then one piece with destination 'to'
           // note that for pawns is not needed because starting file is explicit.
-          attackers = pos.attackers_to(to) & pos.pieces(pt, pos.side_to_move());
+          attackers = pos.attackers_to(to) & pos.pieces(pos.side_to_move(), pt);
           attackers ^= from;
           ambiguousMove = ambiguousFile = ambiguousRank = false;