1. g2g4 A good positional move and a radical way of understanding that it can be useful to advance a pawn before developing the knight. 1... h8g6 Premature development of the knight, which can be subjected to a rapid attack. 2. a1b3  2... e7e5 Controlling the center, but leaving f5 somewhat weakened. 3. h1g3  3... f7f6  4. c2c4  4... d8c8  5. d2d4  5... a8b6  6. d4d5 White now has a large space advantage. 6... d7d6  7. b1f5  7... e8d7  8. f2f3  8... a7a6  9. e2e4  9... g6f4  10. f5d7  10... d8d7  11. d1c2 