1. d2d4  1... d7d5  2. c2c4  2... e7e6  3. b1c3  3... a7a6  4. c4d5  4... e6d5  5. c1f4  5... g8f6  6. e2e3  6... f8d6  7. d1f3 A rare move that caught the players with Black by surprise. 7.Bg5 and 7.Bxd6 are more common. 7... c8g4  8. f3g3  8... d6f4  9. g3f4  9... e8g8  10. f2f3  10... g4e6  11. f1d3 [%c_effect d3;square;d3;type;Inaccuracy;persistent;true] 11... f6h5 [%c_effect h5;square;h5;type;GreatFind;persistent;true] 12. f4e5  12... g7g6  13. h2h4  13... c7c5 [%c_effect c5;square;c5;type;GreatFind;persistent;true] Black's counterplay comes quickly now, although the position is still balanced. 14. g2g4  14... c5d4 [%c_effect d4;square;d4;type;GreatFind;keyPressed;undefined;persistent;true] 15. e3d4 [%c_effect d4;square;d4;type;Inaccuracy;keyPressed;undefined;persistent;true] 15... f8e8 A good practical choice. 16. e1c1  16... e6g4  17. e5d5  17... g4d7  18. d5b7 [%c_effect b7;square;b7;type;Mistake;persistent;true] In a must-win situation, White decides to take a risk. 18... b8c6  19. d3e4  19... a8b8  20. b7a6 Black's attack is very strong and there are several tempting options in the next few moves. 20... c6b4  21. a6d6  21... e8e6  22. d6h2 