1. e2e4  1... c7c5  2. g1f3  2... e7e6  3. c2c3  3... d7d5  4. e4d5  4... e6d5  5. d2d4  5... b8c6  6. f1b5  6... f8d6 This system is a reliable way of meeting White's anti-Sicilian choice, as long as you don't mind an isolated queen's pawn, a position that can also arise from the French Defense. 7. e1g1  7... g8e7  8. d4c5  8... d6c5  9. b1d2  9... e8g8  10. d2b3  10... c5b6  11. h2h3 This natural move doesn't seem the most accurate here. I prefer 11.Re1, as the f3-knight's pin isn't very dangerous. 11... d8d6 