Latvian - Nimzovich variation
1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. d4 d6 5. Nc4 fxe4 6. Ne3
White moves the king's pawn to e4. Black advances the king's pawn to e5. White develops the knight to f3.
Black pushes the f-pawn to f5. White captures with the knight on e5. Black moves the queen to f6.
White pushes the queen's pawn to d4. Black advances the queen's pawn to d6. White jumps the knight to c4.
Black captures on e4 with the f-pawn. White moves the knight to e3.