Sudak UKR 2002
1. e4, Nc6
2. d4, e5
3. Nf3, exd4
4. Nxd4, Qh4
5. Nc3, Bb4
6. Be2, Nf6
Black puts additional pressure on the e4 pawn. White offers the e-pawn in exchange for an open file. If Black plays 6.... Bxc3, 7. bxc3 Qxe4, 8. 0-0 N8e7, 9. Bf3 Qg6, 10. Nxc6 bxc6, 11. Re1! followed by 12. Ba3 and Black's Knight will be hopelessly pinned.
7. 0-0, Bxc3
8. Nf5, Qxe4
9. Bd3, Qg4
10. f3, Qa4
11.bxc3, 0-0
12. Nxg7!! ....
An unexpected move. White creates havoc along the kingside.
12. .... Kxg7
13. Bh6+!! ....
It seems that White does not run out of resources.
13. .... Kxh6
If 13....Kg8, then 14. Qd2 Qa5, 15. Bxf8 Kxf8, 16. Qh6+ Kg8, 17. Qxf6 ...
14. Qd2+!!, Kh5
It is bad for Black's King to retreat, e.g. 14.....Kg7, 15. Qg5+ Kh8, 16. Qxf6+ Kg8, 17. Qg5+ Kh8, 18. Qh6 and Black cannot parry the simultaneous threat of Qxf8 mate and Qxh7 mate.
15. g4+, Nxg4
16. fxg4+, Qxg4+
17. Kh1, d6
Hoping to bring the Bishop into play.
18. Rf6 ....
Threatening 19. Rh6+ mate.
18. .... Qg5
19. Be2+ Bg4
20. Bxg4+, Resigns
Black realized it is futile to fight. White is assured of victory after 20....Kh4, 21. Rh6+. If 20....Kxg4 then 21. Rg1+. If 20....Qxg4, then 21. Rh6+ mate.
A gem of a game.