Alekhine's defence - Welling variation
1. e4 Nf6 2. e5 Nd5 3. b3
White moves the king's pawn to e4. Black develops the knight to f6. White plays the king's pawn to e5.
Black transfers the knight to d5. White plays the b-pawn to b3.
White moves the king's pawn to e4. Black develops the knight to f6. White plays the king's pawn to e5.
Black transfers the knight to d5. White plays the b-pawn to b3.