1. e2e4  1... c7c6  2. g1f3  2... d7d5  3. b1c3  3... c8g4  4. h2h3  4... g4f3  5. d1f3  5... e7e6  6. d2d4 White has many alternatives here. 6... d5e4  7. c3e4 A pawn sacrifice that is suitable for blitz but maybe not for a game in classical control. 7... b8d7  8. f1d3  8... g8f6  9. c2c3  9... f6e4  10. d3e4  10... d7f6  11. e4c2  11... d8d5 [%c_effect d5;square;d5;type;GreatFind;persistent;true] This is the point. White would prefer to keep queens on the board, so Black's move is unpleasant to face. 12. f3g3  12... f6h5  13. g3e3  13... h5f6  14. e1g1  14... f8d6  15. c2b3  15... d5h5  16. b3d1  16... h5f5  17. g2g4 It's always difficult to decide on the advance of the kingside pawns, especially when you have more solid options. 17... f5a5  18. e3f3  18... a5c7  19. g1g2 [%c_effect g2;square;g2;type;Inaccuracy;persistent;true] This invites Black's plan. 19... f6d5  20. c3c4  20... d5f4  21. g2h1  21... f4g6  22. d1c2  22... g6h4  23. f3e4  23... h7h5 [%c_effect h5;square;h5;type;Inaccuracy;persistent;true] 24. c4c5  24... d6h2 [%c_effect h2;square;h2;type;Mistake;persistent;true] This bold move would never cross my mind, although it worked well in the game. 25. f2f4 [%c_effect f4;square;f4;type;Mistake;persistent;true] The game turns around immediately. White actually has three winning alternatives. 25... h5g4  26. h1h2  26... h4f5 Surprisingly, White is lost. The h3-pawn falls, and the attack is too strong. 27. e4e5 [%c_effect e5;square;e5;type;Mistake;persistent;true] 27... h8h3  28. h2g1  28... h3g3 [%c_effect g3;square;g3;type;Mistake;persistent;true] Black had a beautiful winning combination. I feel bad giving this move a question mark, as the right one is really difficult to see in a blitz game. 29. g1f2  29... g3f3  30. f2e1 [%c_effect e1;square;e1;type;Mistake;persistent;true] Too optimistic. 30... c7a5  31. c1d2  31... f3f1  32. e1f1  32... a5d2  33. c2f5  33... g4g3 [%c_effect g3;square;g3;type;GreatFind;persistent;true] The final touch: Black regains the bishop and achieves a winning material advantage. 34. e5e2  34... d2f4  35. f1g2  35... f4f5  36. a1f1  36... f5d5  37. e2f3  37... d5f3  38. f1f3  38... f7f6  39. f3g3  39... e8f7  40. g3b3  40... a8b8  41. a2a4  41... b7b6  42. g2f3  42... b8h8 [%c_effect h8;square;h8;type;Mistake;persistent;true] A blunder that throws away the game. 43. f3g2 [%c_effect g2;square;g2;type;Mistake;persistent;true] A blunder in return. 43... b6c5 Now Black is winning again, and this evaluation remains unchanged. 44. d4c5 