[Event "US Senior Open"]
[Site "?"]
[Date "2009.09.07"]
[Round "?"]
[White "Rogalski, Tim"]
[Black "Mackenzie, Dana"]
[Result "1-0"]
[ECO "C57"]
[Annotator "Mackenzie,Dana"]
[PlyCount "61"]
[EventDate "2009.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nd4 6. c3 b5 7. Bf1 Nxd5 8.
Ne4 Qh4 9. Ng3 Bb7 10. cxd4 O-O-O 11. h3 h5 ({An interesting alternative is} 
11... Nb4 12. a3 exd4 13. axb4 Re8+ 14. Be2 d3 15. Qb3 (15. O-O dxe2 16. Nxe2
Qe4 17. Nf4 Qxf4 18. d4 $15) 15... dxe2 16. Nc3 Bxb4 {I would hate to play
this position for White, but Fritz likes it!}) ({Black can't really afford to
ignore the threat to trade queens with} 11... exd4 12. Qg4+ Qxg4 13. hxg4 Nb4
14. Kd1 Bd5 (14... d3 15. Nc3 a6 16. f3 $16 {With queens off the board, and
White able to block the e-file, I think that Black's attack is insufficient.})
15. d3 Nxa2 16. Bf4 Bb3+ 17. Ke1 Re8+ {again with too little breakthrough
potential for Black} 18. Ne4 $16) 12. dxe5 Ne3 13. dxe3 Rxd1+ 14. Kxd1 Bb4 15.
a3 $1 Rd8+ 16. Bd2 Bxd2 17. Nxd2 Qe7 (17... b4 18. Ke1) (17... Qa4+ 18. Kc1 Qa5
19. b4 Qa4 20. Nf5 $1 Be4 21. Nxe4 Rd1+ 22. Kb2 Rxa1 23. Ne7+ Kb8 24. Nc6+ Ka8
25. Kxa1 Qxa3+ 26. Kb1) 18. Rc1 Qxe5 (18... Qd7 19. Rc2 h4 20. Ne2 (20. Be2
hxg3 21. Bg4 Qxg4+ 22. hxg4 Bxg2 23. fxg3 Bxh1 $11) 20... Be4 21. Nd4 Bxc2+ 22.
Kxc2 Qd5 23. Be2 (23. Bxb5 Qxg2) (23. Bd3 g6 $14) (23. N4f3 Qc6+ 24. Kd1 Qg6
$11) 23... Qxe5 {and White's very solid formation gives him an advantage.} (
23... Qxg2 24. Bg4+ Kb8 25. Bf3 Qxf2 26. Nc6+ Kc8 27. Bg4+ Rd7 28. Rd1 Qg2 29.
e4 $18)) (18... b4 19. Nf5 Qxe5 20. Nd4 bxa3 21. bxa3 Rxd4 22. exd4 Qxd4 23. f3
Bd5 24. Bc4 Bxc4 25. Rxc4 Qa1+ 26. Rc1 Qxa3 {Here Black is just playing for a
draw. Against a human, it might work. Against a computer, probably not.}) 19.
Rc3 (19. Rc2 h4 20. Ne2 Be4 21. Rc3 Qd5 22. Nd4 Bxg2 $14) 19... h4 20. Ne2 Kb8
21. Nf4 Be4 22. Kc1 Qd6 23. Nd3 c5 $4 (23... Bh7 24. Be2 c5 25. Rd1 {With his
pieces now more or less coordinated, White should be better. Fritz says} b4 26.
Nc4 $18) 24. Nxe4 Qd5 25. Nexc5 Qa2 26. Nb3 a5 27. Nxa5 Qa1+ 28. Kc2 b4 29.
Nc6+ Ka8 30. Ncxb4 f5 31. g3 1-0

