E06: Closed Catalan: Early deviations

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. g3 O-O 6. Bg2 c6 Covers b5 7. O-O b6 8. Re1 Bb7 9. Ne5 Nbd7 10. f4 10. e4 dxc4 11. Nxc4 b5+/= 10... Nxe5 10... c5!? 11. e3 Qc7 12. cxd5 exd5=/+ 11. fxe5= Nd7 12. cxd5 cxd5 13. Bf4 a6 Controls b5 14. Rc1 Rc8 15. Qb3 15. Rf1 b5= 15... b5 16. Na4? 16. e4!? is worth consideration 16... Qb6 17. Be3 dxe4 18. Nxe4= 16... Qa5 16... >= Rc4!? 17. Nc5 Nxc5 18. dxc5 Bxc5+ 19. Kh1 Qa5-+ 17. Nc3-/+ Nb6 17... Qb6 18. e4-/+ 18. a3 Prevents intrusion on b4 18. e4!? Bb4 19. exd5 Bxc3 20. Rxc3 Bxd5 21. Bxd5 Nxd5 22. Qa3-/+ 18... Nc4-/+ 19. Red1 Rc7 19... f6 20. exf6 Bxf6 21. e4-/+ 20. h4 20. e4 dxe4 21. Nxe4 Bd5= 20... Rfc8 21. Kh2 21. Nb1 h6-/+ 21... h6 21... Nxb2 22. Qxb2 Rxc3 23. Bd2 Rxc1 24. Bxa5 Rxd1 25. Bb4 Bxb4 26. Qxb4-+ 22. h5? 22. Nb1 Qb6-/+ 22... Bc6 Loses material >= 22... Nxb2!? 23. Qxb2 Rxc3-+ 23. Nb1 23. e4 dxe4 24. Nxe4 Ba8=/+ 23... b4 24. axb4 Bxb4 25. Nc3 Bxc3 25... Rb7 26. Qc2 Bxc3 27. Qxc3 Qxc3 28. bxc3-/+ 26. Ra1 Qb5 27. Qxb5 Bxb5 28. bxc3 Black has a new passed pawn: a6. 28... Nb2 Black threatens to win material: Nb2xd1 29. Rdb1 29. Rdc1 Na4-/+ (29... Bxe2 is the weaker alternative 30. Rc2+/-) 29... Na4 30. Rb3 Nxc3 31. e3 Ne2 32. Bf1 32. Rb2 Kf8-+ 32... Rc2 32... Nxf4?! 33. exf4 Bxf1 34. Rxf1-/+ 33. Kh3 33. Bxe2 Rxe2+ 34. Kh3 Rcc2-+ 33... Rc1 33... Ng1+ 34. Kg4 f5+ 35. exf6 gxf6 36. Bxh6-+ 34. Rxc1 Rxc1 34... Nxc1 35. Rxb5 axb5 36. Bxb5-+ 35. Bxe2 Bxe2 36. e4 Bc4?? overlooking an easy win >= 36... Rd1 the advantage is on the side of Black 37. exd5 exd5-+ 37. Rb8++- 37. Bxc1 is a useless try 37... Bxb3 38. exd5 exd5=/+ 37... Kh7 38. Bxc1 dxe4 38... Bf1+ doesn't change anything anymore 39. Kh4 dxe4 40. g4+- 39. Rc8 39. g4 makes it even easier for White 39... a5+- 39... Bb5 40. Rc5 40. g4 seems even better 40... Bd3+- 40... g6 40... g5 is not much help 41. g4 Bf1+ 42. Kg3+- 41. hxg6+ >= 41. Rc7!? might be the shorter path 41... gxh5 42. Rxf7+ Kg8+- 41... Kxg6 42. g4 Bf1+ 42... h5 is not the saving move 43. g5+- 43. Kg3 Bd3 44. Bd2 h5 44... Be2+- a last effort to resist the inevitable 45. gxh5+ Kxh5 46. Kf4 46. d5 exd5 47. Rc6 f6 48. Rxf6 e3 49. Bxe3 Bg6 50. e6 d4 51. Bf4 a5 52. e7 d3 53. e8=Q Bxe8 54. Rh6# 46... Kg6 47. Rc1 f5 47... Kh7 doesn't do any good 48. Bb4 e3 49. Kxe3+- 48. Rc6 Kf7 49. Kg5 Bb5 49... e3 otherwise it's curtains at once 50. Bxe3 Be4 51. Rc7+ Ke8+- 50. Rc7+ Ke8 51. Kf6 Kd8 52. Ba5 f4 52... Bd7 does not win a prize 53. Kf7 Be8+ 54. Kxe6 Bd7+ 55. Kf7 Be8+ 56. Kf8 Bf7 57. Kxf7 f4 58. e6 f3 59. e7# 53. Kxe6 1-0 [Fritz 9 (5s)]