Sicilian - Nyezhmetdinov-Rossolimo attack - Gurgenidze variation
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 e5 6. b4
White plays the king's pawn to e4. Black moves the c-pawn to c5. White develops the knight to f3.
Black develops the knight to c6. White develops the light-squared bishop to b5. Black advances the g-pawn to g6.
White castles kingside. Black develops the dark-squared bishop to g7. White moves the rook to e1.
Black advances the king's pawn to e5. White pushes the b-pawn to b4.