White to move.... What's the plan?

It is white to move. What to play in this position to mantain the advantage?

What positional idea could white play?

What is the best move for white? 

GAME 1

[Event "Open Pentecote"] [Site "?"] [Date "2017.06.03"] [Round "?"] [White "Brisot, Cyril"] [Black "Lopez Gomez, Jose Pablo"] [Result "1-0"] [ECO "C11"] [Annotator "L,Pablo"] [PlyCount "79"] 1. e4 e6 2. Nf3 d5 3. Nc3 Nf6 4. e5 Nfd7 5. d4 c5 6. dxc5 Nc6 7. Bf4 Bxc5 8. Bd3 Qb6 $2 {Falling into the temptation of winning a pawn. I remeber that during the game I played this move that was natural to me very quickly. However, I think that it was better to play:} (8... f6 9. exf6 Nxf6 10. O-O O-O 11. Ne5 (11. Re1 $2 Bxf2+ 12. Kxf2 Ng4+ 13. Kg3) 11... Bd6) 9. O-O Qxb2 $4 { Why whould you get into so much problems?? Why give a lower rated oponent so many chances??? And why to play a simply bad move even after seeing that it was bad??} 10. Nb5 (10. Na4 Bxf2+ 11. Rxf2 Qb4) 10... O-O 11. Bxh7+ Kxh7 12. Qd3+ g6 13. Rfb1 Nb4 14. Ng5+ Kg7 15. Qh3 Rh8 16. Qxh8+ Kxh8 17. Rxb2 Kg7 18. a3 Nc6 19. Nc7 Bd4 20. Ncxe6+ (20. Rab1 Bxb2 21. Rxb2 (21. Nxa8 Bc3 22. Nc7 a6 23. Ne8+ Kf8 24. Nd6) 21... Rb8) (20. Nxa8 Bxb2 21. Ra2 Bxe5 22. Bxe5+ Ndxe5 23. Nc7 Nc4) 20... fxe6 21. Nxe6+ Kf7 22. Nxd4 Nxd4 23. c3 Ne6 24. Bg3 {[#]} Nb6 $2 (24... b6 25. Rd1 Bb7 26. c4 d4 27. a4 Ndc5) 25. a4 Nc7 26. e6+ Nxe6 27. a5 Nc4 28. Rb5 Nd8 29. Rxd5 Be6 30. Rd4 Nc6 31. Rf4+ Kg7 32. Re1 Rd8 33. Bh4 Rd7 34. Bf6+ Kg8 35. h3 Bd5 (35... a6) (35... Bf7 36. Rh4 Bd5) 36. Re8+ Kf7 37. Re1 {And with 10 min left in my clock I blunder mate...} a6 $4 38. Bd4+ Kg8 39. Re8+ Kh7 40. Rh4# 1-0

Losing 3 times in the same game...

[Event "Open Pentecote"] [Site "?"] [Date "2017.06.03"] [Round "?"] [White "Brisot, Cyril"] [Black "Lopez Gomez, Jose Pablo"] [Result "1-0"] [ECO "C11"] [Annotator "L,Pablo"] [PlyCount "79"] 1. e4 e6 2. Nf3 d5 3. Nc3 Nf6 4. e5 Nfd7 5. d4 c5 6. dxc5 Nc6 7. Bf4 Bxc5 8. Bd3 Qb6 $2 {Falling into the temptation of winning a pawn. I remeber that during the game I played this move that was natural to me very quickly. However, I think that it was better to play:} (8... f6 9. exf6 Nxf6 10. O-O O-O 11. Ne5 (11. Re1 $2 Bxf2+ 12. Kxf2 Ng4+ 13. Kg3) 11... Bd6) 9. O-O Qxb2 $4 { Why whould you get into so much problems?? Why give a lower rated oponent so many chances??? And why to play a simply bad move even after seeing that it was bad??} 10. Nb5 (10. Na4 Bxf2+ 11. Rxf2 Qb4) 10... O-O 11. Bxh7+ Kxh7 12. Qd3+ g6 13. Rfb1 Nb4 14. Ng5+ Kg7 15. Qh3 Rh8 16. Qxh8+ Kxh8 17. Rxb2 Kg7 18. a3 Nc6 19. Nc7 Bd4 20. Ncxe6+ (20. Rab1 Bxb2 21. Rxb2 (21. Nxa8 Bc3 22. Nc7 a6 23. Ne8+ Kf8 24. Nd6) 21... Rb8) (20. Nxa8 Bxb2 21. Ra2 Bxe5 22. Bxe5+ Ndxe5 23. Nc7 Nc4) 20... fxe6 21. Nxe6+ Kf7 22. Nxd4 Nxd4 23. c3 Ne6 24. Bg3 {[#]} Nb6 $2 (24... b6 25. Rd1 Bb7 26. c4 d4 27. a4 Ndc5) 25. a4 Nc7 26. e6+ Nxe6 27. a5 Nc4 28. Rb5 Nd8 29. Rxd5 Be6 30. Rd4 Nc6 31. Rf4+ Kg7 32. Re1 Rd8 33. Bh4 Rd7 34. Bf6+ Kg8 35. h3 Bd5 (35... a6) (35... Bf7 36. Rh4 Bd5) 36. Re8+ Kf7 37. Re1 {And with 10 min left in my clock I blunder mate...} a6 $4 38. Bd4+ Kg8 39. Re8+ Kh7 40. Rh4# 1-0