Blumenfeld counter-gambit - Spielmann variation
1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 5. Bg5 exd5 6. cxd5 h6
White plays the queen's pawn to d4. Black develops the knight to f6. White advances the c-pawn to c4.
Black advances the king's pawn to e6. White develops the knight to f3. Black advances the c-pawn to c5.
White pushes the queen's pawn to d5. Black moves the b-pawn to b5. White develops the dark-squared bishop to g5.
Black captures on d5 with the king's pawn. White captures on d5 with the c-pawn. Black plays the h-pawn to h6.