1. e2e4  1... c7c5  2. b1c3  2... b8c6  3. f1b5  3... c6d4  4. b5c4  4... e7e6  5. g1e2  5... d8c7  6. d2d3  6... a7a6  7. e2d4  7... c5d4  8. c3e2  8... b7b5  9. c4b3  9... f8c5  10. c2c3  10... d4c3  11. b2c3  11... g8e7 You usually need a good reason not to develop the knight to f6, as it has greater central control on this square. I'm not sure there is a good justification for putting the knight on e7. 12. e1g1  12... c8b7  13. d3d4  13... c5b6  14. b3c2 White's position is a bit more pleasant, with nice central pawns and the bishops pointing at Black's king. 14... d7d6  15. c1e3  15... e8g8  16. a1c1  16... e6e5 A natural way to restrict White's center. 17. e2g3  17... a8d8  18. d1h5  18... e7g6 [%c_effect g6;square;g6;type;Mistake;persistent;true] This move fatally allows White's knight to reach the important f5-square. 19. g3f5 [%c_effect f5;square;f5;type;GreatFind;persistent;true] 19... f8e8  20. h5g4  20... c7c3 [%c_effect c3;square;c3;type;Mistake;persistent;true] Throwing caution to the wind. 21. c2b3  21... c3b4  22. d4e5  22... b6e3  23. b3f7 [%c_effect f7;square;f7;type;GreatFind;persistent;true] 23... g8f7  24. c1c7  24... f7g8  25. c7g7  25... g8f8  26. f2e3  26... b4e4  27. g7g6  27... e4g4  28. g6g4  28... e8e5  29. f5d6  29... f8e7  30. d6b7 White is a full piece ahead. 30... d8d2  31. e3e4  31... h7h5  32. g4g7  32... e7e6  33. g7f7  33... e5g5  34. f7f2 