X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fposition.cpp;h=36db8d2b65200a9bb5e2f829d35a0ae0722ef253;hp=b8f7807b68aa5eb225a5b3aabcee248e6c5f06fb;hb=b82c3021fa4523242c05bc88426c8a794b71167e;hpb=320630ca1ab2792c31604ceca3e052159699b9b8

diff --git a/src/position.cpp b/src/position.cpp
index b8f7807b..36db8d2b 100644
--- a/src/position.cpp
+++ b/src/position.cpp
@@ -190,7 +190,7 @@ void Position::from_fen(const std::string& fen) {
       i++;
 
   // En passant square
-  if (    i < fen.length() - 2
+  if (    i <= fen.length() - 2
       && (fen[i] >= 'a' && fen[i] <= 'h')
       && (fen[i+1] == '3' || fen[i+1] == '6'))
       st->epSquare = square_from_string(fen.substr(i, 2));