1. d2d4  1... d7d5  2. g1f3  2... c7c6  3. c1f4 The London System is always present, especially in blitz matches. 3... d8b6  4. d1c1  4... c8g4  5. e2e3  5... g8f6  6. c2c4 A new position on the sixth move already. 6... b8d7  7. b1c3  7... e7e6  8. c4c5 Pushing c4-c5 in these positions is always a difficult choice, since White loses central control. 8... b6d8  9. f3d2 White's idea is to play b4 without Black having the option of capturing the knight. This piece can later go to b3 and the pawn breaks are well controlled. Black must strike now in order to fight for equality. 9... f6h5 [%c_effect h5;square;h5;type;Mistake;persistent;true] 10. h2h3 [%c_effect h3;square;h3;type;GreatFind;persistent;true] White gets the advantage now. 10... h5f4  11. h3g4  11... f4g6  12. f2f4 [%c_effect f4;square;f4;type;GreatFind;persistent;true] A good prophylactic move, avoiding …e6-e5. 12... f8e7  13. f1d3  13... e8g8  14. c1c2  14... b7b6  15. c5b6 [%c_effect b6;square;b6;type;Inaccuracy;persistent;true] 15... c6c5 [%c_effect c5;square;c5;type;GreatFind;persistent;true] 16. f4f5  16... e7h4 [%c_effect h4;square;h4;type;Mistake;persistent;true] 17. e1d1  17... c5c4  18. d3e2  18... e6f5  19. g4f5  19... g6h8 A sad fate for the knight. 20. c3d5  20... d7b6  21. d5b6  21... a7b6  22. e2c4  22... h4g5  23. h1h3  23... f8e8  24. c2d3 White has consolidated and is two pawns up. 24... d8e7  25. d1c2  25... b6b5  26. c4b5  26... e8c8  27. b5c4  27... e7b7  28. g2g4 [%c_effect g4;square;g4;type;Mistake;persistent;true] This allows a surprsing tactical chance for Black. 28... b7g2 [%c_effect g2;square;g2;type;Mistake;persistent;true]