How The Game Was Won: Ivanchuk vs Hammer - European Club Cup 2015

Here is my commentary on the game between Ivanchuk and Hammer in the European Club Cup 2015.

[Event "31st ECC Open 2015"]
[Site "Skopje MKD"]
[Date "2015.10.19"]
[Round "2.1"]
[White "Ivanchuk, Vassily"]
[Black "Hammer, Jon Ludvig"]
[Result "1-0"]
[ECO "A09"]
[WhiteElo "2726"]
[BlackElo "2680"]
[WhiteTeam "ALKALOID (MKD)"]
[BlackTeam "OSLO SCHAKSELSKAP (NOR)"]

1. Nf3 d5 2. c4 d4 3. b4 c5 4. g3 a5 5. b5 g6 6. Bg2 Bg7 7. O-O Ra7 8. a4 b6 9. Ra2 e5 10. d3 Be6 11. Ng5 Bc8 12. e4 f6 13. Nh3 h5 14. f4 Bg4 15. Qe1 Qc8 16. Nf2 Bd7 17. Nd2 h4 18. gxh4 Nh6 19. Nf3 exf4 20. Bxf4 O-O 21. e5 fxe5 22. Bxe5 Bf5 23. Re2 Bxe5 24. Nxe5 Rg7 25. Qd2 Rh7 26. Ne4 Nd7 27. Ng5 Re7 28. Ng4 Bxg4 29. Rxe7 Rxf1+ 30. Bxf1 Nf5 31. Qf4 Nxe7 32. Qf7+ Kh8 33. Qh7# 1-0