[Event "Mont de Marsan op 9th"]
[Site "Mont de Marsan"]
[Date "2012.12.30"]
[Round "9"]
[White "Deroche, Etienne"]
[Black "Constantin, Mathias"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1520"]
[BlackElo "1876"]
[PlyCount "100"]
[EventDate "2012.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Nc3 Nd7 6. Ne2 c5 7. Ng3 Bg6 8. c3 Ne7 9. Bd3 Bxd3 10. Qxd3 Nc6 11. 0-0 Rc8 12. Bf4 Be7 13. Qd2 h6 14. h3 Qa5 15. Qd1 Qb6 16. Qb3 Qxb3 17. axb3 cxd4 18. cxd4 0-0 19. Ne2 a6 20. Nc1 Na7 21. Nd3 Nb5 22. b4 Rc4 23. Nc5 Nxc5 24. bxc5 Nxd4 25. Nxd4 Rxd4 26. Be3 Rb4 27. Rab1 Rc8 28. Rfc1 Kf8 29. Bd2 Rb3 30. Rc3 Rxc3 31. bxc3 Rc7 32. Be3 Ke8 33. Kf1 Kd7 34. f4 Kc8 35. Bd4 Bxc5 36. Ke2 Bxd4 37. cxd4 h5 38. Kd2 b5 39. g4 hxg4 40. hxg4 g6 41. Ra1 Kb7 42. Rf1 a5 43. f5 gxf5 44. gxf5 a4 45. fxe6 fxe6 46. Rf6 Rc6 47. Rf7+ Kb6 48. Rd7 a3 49. Rd6 a2 50. Rxc6+ Kxc6 0-1

[Event "Mont de Marsan op 9th"]
[Site "Mont de Marsan"]
[Date "2012.12.29"]
[Round "7"]
[White "Deroche, Etienne"]
[Black "Kozlowski, Thierry"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1520"]
[BlackElo "1930"]
[PlyCount "67"]
[EventDate "2012.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 0-0 5. Bd3 c5 6. c3 b6 7. Nbd2 Bb7 8. Rc1 d6 9. h3 Nbd7 10. Bb1 Rc8 11. 0-0 Nh5 12. Bh2 h6 13. Re1 f5 14. Nf1 Ndf6 15. Ng3 Nxg3 16. Bxg3 Ne4 17. Bh2 Qe8 18. d5 Qf7 19. c4 Bxb2 20. Rc2 Bg7 21. Rf1 a6 22. a4 Nc3 23. Rxc3 Bxc3 24. Qb3 Bb4 25. Qd3 b5 26. axb5 axb5 27. Ba2 Ra8 28. Bb3 Ra3 29. Nh4 Rxb3 30. Qxb3 Bxd5 31. Qa4 Ra8 32. Qc2 Bxc4 33. Rc1 Ra2 34. Qd1 0-1

