E01: Catalan: Early deviations

1. d4 d5 2. c4 c6 3. Nf3 e6 4. Qc2 Nd7 5. g3 Ngf6 6. Bg2 Bd6 7. O-O O-O 8. Nbd2 Qe7 9. Re1 b6 10. b3N 10. e4 dxe4 11. Nxe4 (11. Ng5 Bb7 (11... Bb4 12. a3 Bxd2 13. Bxd2 Bb7 14. Nxe4 Nxe4 15. Bxe4 Nf6 16. Bb4 c5 17. Bxb7 Qxb7 18. dxc5 Rfc8 19. cxb6 axb6 20. Qe2 Qc7 21. Rac1 Nd7 22. Bd2 Ra4 23. Bf4 Qc6 24. Red1 e5 25. Be3 Qe6 26. Rd5 Hoffman,A (2473)-Leal,J (2113)/Santos 2001/EXT 2005/1-0) 12. Ndxe4 Nxe4 13. Nxe4 Rad8 14. Bg5 f6 15. Nxd6 Qxd6 16. Bf4 e5 17. dxe5 Nxe5 18. Re2 Qc5 19. b3 Bc8 20. Be3 Qd6 21. c5 Qc7 22. cxb6 axb6 23. Bf4 c5 24. Rae1 Rfe8 25. h3 Ba6 Kachar,V (2373)-Appelt,G (2242)/Naumburg 2002/EXT 2006/1-0 (45)) 11... Nxe4 12. Qxe4 Bb7 13. Ne5 (13. Bg5 Nf6 14. Qc2 c5 15. d5 Rae8 16. Nh4 Qc7 17. Bxf6 gxf6 18. Qd2 Bc8 19. Rad1 Rd8 20. Qh6 Be7 21. Re3 f5 22. Nf3 Rd6 23. Ng5 Bxg5 24. Qxg5+ Kh8 25. Qf6+ Kg8 26. Qg5+ Kh8 27. Rde1 Qd8 Damljanovic,B (2587)-Dizdarevic,E (2491)/Sarajevo 2003/CBM 096/1-0 (44)) 13... f5 14. Qe2 Nxe5 15. dxe5 Bc5 16. Be3 Bxe3 17. Qxe3 Rad8 18. Rad1 Rxd1 19. Rxd1 Rd8 20. Rd3 Kf7 21. Rxd8 Qxd8 22. Bf3 Qe7 23. h4 c5 1/2-1/2 Schmidt,W (2450)-Liljedahl,L (2260)/Eksjo 1973/EXT 2001 10... Bb7 11. e4 Nxe4 12. Nxe4 dxe4 13. Rxe4 Nf6 14. Re2 Rfe8 15. a3 c5 16. dxc5 bxc5 17. Bb2 Bxf3 18. Bxf3 Rab8 19. Rd1 Rb6 20. Rd3 Rc8 21. Qd1 Ne8 22. Red2 Rcb8 23. Kg2 a6 24. Be4 h6 25. f4 Qc7 26. Re3 a5 27. a4 Kf8 28. Bc2 g6 29. Qg4 Rd8 30. Qh4 Bxf4 31. Rxd8 Bxe3 32. Qf6 Qc6+ 33. Qf3 Qxf3+ 34. Kxf3 Bg5 35. Ra8 Bd2 36. Ba3 Rc6 37. Be4 Rc7 38. Ke2 Bc3 39. Bc1 g5 40. h4 f5 41. Bf3 41. Bg2 Kf7+/= 41... g4 42. Bxh6+ Kf7 43. Bg2= Nf6 44. Bf4 44. Kd3!? looks like a viable alternative 44... Be5 45. Bf4 Bxf4 46. gxf4= 44... e5! 45. Bg5 e4 46. Bf4? now the h1-a8 diagonal is shut off and the white squared bishop is a spectator 46. Kd1 Rd7+ 47. Kc2 Rd3=/+ 46... Rb7 0-1