1. d2d4  1... g8f6  2. c2c4  2... e7e6  3. g1f3  3... b7b6  4. g2g3  4... c8a6  5. b2b3  5... f8b4  6. c1d2  6... b4e7  7. b1c3  7... d7d5  8. f1g2  8... e8g8  9. e1g1  9... d5c4 [%c_effect c4;square;c4;type;Inaccuracy;persistent;true] A risky move, especially considering that Black didn't need to unbalance the game. 10. b3c4 This move, surprisingly, is a novelty. 10... a6c4  11. f3e5 