Sicilian - Najdorf - Polugayevsky variation
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 b5
White advances the king's pawn to e4. Black advances the c-pawn to c5. White develops the knight to f3.
Black plays the queen's pawn to d6. White plays the queen's pawn to d4. Black captures on d4 with the c-pawn.
White captures with the knight on d4. Black develops the knight to f6. White jumps the knight to c3.
Black pushes the a-pawn to a6. White develops the dark-squared bishop to g5. Black plays the king's pawn to e6.
White pushes the f-pawn to f4. Black plays the b-pawn to b5.