Stahlberg vs Alekhine 1931

Alexander Alekhine (France) playing with Black against Gideon Ståhlberg (Sweden) at the 4th Chess Olympiad in Prague, Czechoslovakia, on July 12, 1931.The position you see at the board is after White’s 9th move Bd3, Alekhine is contemplating his reply. He won that game in 33 moves with an energetic attack on the kingside.