[Comment "auto-generated from http://www.jesseo.com/chesspublishing/pgn.php?pgndata=[Event%20%26quot;EU-ch%209th%26quot;]%0A[Site%20%26quot;Plovdiv%26quot;]%0A[Date%20%26quot;2008.05.01%26quot;]%0A[Round%20%26quot;10%26quot;]%0A[White%20%26quot;Petrosian,%20Tigran%20L%26quot;]%0A[Black%20%26quot;Jones,%20Gawain%20C%26quot;]%0A[Result%20%26quot;1/2-1/2%26quot;]%0A[ECO%20%26quot;C51%26quot;]%0A[WhiteElo%20%26quot;2616%26quot;]%0A[BlackElo%20%26quot;2522%26quot;]%0A[PlyCount%20%26quot;83%26quot;]%0A[EventDate%20%26quot;2008.04.21%26quot;]%0A[EventType%20%26quot;swiss%26quot;]%0A[EventRounds%20%26quot;11%26quot;]%0A[EventCountry%20%26quot;BUL%26quot;]%0A[Source%20%26quot;ChessBase%26quot;]%0A[SourceDate%20%26quot;2008.05.28%26quot;]%0A%0A1.%20e4%20e5%202.%20Nf3%20Nc6%203.%20Bc4%20Bc5%204.%20b4%20Bxb4%205.%20c3%20Bd6%206.%20d4%20Nf6%207.%20O-O%20O-O%208.%20Re1%0Ab6%209.%20Bd5%20Be7%2010.%20dxe5%20Nxd5%2011.%20exd5%20Na5%2012.%20Nbd2%20(12.%20Qd3%20$1%20%26%23123;Volotkin%20(NIC)%26%23125;%0Ad6%20%26%23123;White%20gains%20a%20very%20slight%20advantage%20here.%20Here%27s%20the%20line%0Athat%20makes%20the%20most%20sense%20to%20me%20(with%20the%20aid%20of%20Firebird)%26%23125;%2013.%20Ba3%20g6%2014.%20exd6%0ABxd6%2015.%20Bxd6%20Bf5%2016.%20Qd4%20Qxd6%2017.%20c4%20$14%20%26%23123;Material%20is%20even%20and%20White%27s%20pieces%0Ahave%20more%20maneuverability%20than%20Black%27s.%26%23125;)%20(12.%20Ba3%20$5%20%26%23123;I%20tried%20to%20improve%20on%0AVolotkin,%20but%20ran%20into%20a%20snag.%26%23125;%20d6%2013.%20exd6%20Bxd6%2014.%20Qd4%20%26%23123;And%20white%20has%20gained%0Aa%20tempo%20on%20the%20Qd3%20variation,%20but%20it%20may%20come%20at%20a%20cost.%26%23125;%20Ba6%20$1%20%26%23123;This%20was%20not%0Aavailable%20with%20the%20Q%20on%20d3.%26%23125;%2015.%20Bxd6)%2012...%20d6%2013.%20c4%20(13.%20Nb3%20Nxb3%20(13...%20Nc4%0A%26%23123;FB%26%23125;%2014.%20exd6%20Bf6%20$1%2015.%20dxc7%20Qxc7%2016.%20Qd3%20Bb7%20$11)%2014.%20axb3%20dxe5%2015.%20Nxe5%20Bb7%0A16.%20c4%20Bd6%20(16...%20a5%20%26%23123;FB%26%23125;)%2017.%20Qg4%20$14%20%26%23123;Volotkin%26%23125;)%2013...%20Bg4%2014.%20Bb2%20dxe5%2015.%0ABxe5%20Bf6%2016.%20h3%20Bh5%2017.%20Qc2%20Re8%2018.%20g4%20Bxe5%2019.%20Nxe5%20f6%2020.%20Nd3%20Bg6%2021.%20Rxe8+%0AQxe8%2022.%20Qc3%20Bxd3%2023.%20Qxd3%20Qe5%2024.%20Rc1%20Rd8%2025.%20Nf3%20Qf4%2026.%20Rc2%20c5%2027.%20Kg2%20Nb7%0A28.%20Re2%20Nd6%2029.%20Nd2%20a6%2030.%20a4%20b5%2031.%20axb5%20axb5%2032.%20cxb5%20c4%2033.%20Qc3%20Qg5%2034.%20Qd4%0ANxb5%2035.%20Qxc4%20Qxd5+%2036.%20Qxd5+%20Rxd5%2037.%20Nf3%20h5%2038.%20Re7%20hxg4%2039.%20hxg4%20g5%2040.%20Ng1%0ANd4%2041.%20Ne2%20Nxe2%2042.%20Re8+%201/2-1/2%0A%0A"]
[Event "EU-ch 9th"]
[Site "Plovdiv"]
[Date "2008.05.01"]
[Round "10"]
[White "Petrosian, Tigran L"]
[Black "Jones, Gawain C"]
[Result "1/2-1/2"]
[ECO "C51"]
[WhiteElo "2616"]
[BlackElo "2522"]
[PlyCount "83"]
[EventDate "2008.04.21"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BUL"]
[Source "ChessBase"]
[SourceDate "2008.05.28"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bd6 6. d4 Nf6 7. O-O O-O 8. Re1
b6 9. Bd5 Be7 10. dxe5 Nxd5 11. exd5 Na5 12. Nbd2 (12. Qd3 $1 {Volotkin (NIC)}
d6 {White gains a very slight advantage here. Here's the line
that makes the most sense to me (with the aid of Firebird)} 13. Ba3 g6 14. exd6
Bxd6 15. Bxd6 Bf5 16. Qd4 Qxd6 17. c4 $14 {Material is even and White's pieces
have more maneuverability than Black's.}) (12. Ba3 $5 {I tried to improve on
Volotkin, but ran into a snag.} d6 13. exd6 Bxd6 14. Qd4 {And white has gained
a tempo on the Qd3 variation, but it may come at a cost.} Ba6 $1 {This was not
available with the Q on d3.} 15. Bxd6) 12... d6 13. c4 (13. Nb3 Nxb3 (13... Nc4
{FB} 14. exd6 Bf6 $1 15. dxc7 Qxc7 16. Qd3 Bb7 $11) 14. axb3 dxe5 15. Nxe5 Bb7
16. c4 Bd6 (16... a5 {FB}) 17. Qg4 $14 {Volotkin}) 13... Bg4 14. Bb2 dxe5 15.
Bxe5 Bf6 16. h3 Bh5 17. Qc2 Re8 18. g4 Bxe5 19. Nxe5 f6 20. Nd3 Bg6 21. Rxe8+
Qxe8 22. Qc3 Bxd3 23. Qxd3 Qe5 24. Rc1 Rd8 25. Nf3 Qf4 26. Rc2 c5 27. Kg2 Nb7
28. Re2 Nd6 29. Nd2 a6 30. a4 b5 31. axb5 axb5 32. cxb5 c4 33. Qc3 Qg5 34. Qd4
Nxb5 35. Qxc4 Qxd5+ 36. Qxd5+ Rxd5 37. Nf3 h5 38. Re7 hxg4 39. hxg4 g5 40. Ng1
Nd4 41. Ne2 Nxe2 42. Re8+ 1/2-1/2