Horsham Club Championship 2014-15: Mansson – Roberts

   [Event "Horsham Club Championship (Rook)"]  [Site "Horsham"]  [Date "2014.11.18"]  [Round "?"]  [White "Mansson, James C"]  [Black "Roberts, David N"]  [Result "0-1"]  [ECO "A65"]  [Annotator "Mansson,James"]  [PlyCount "85"]  [EventDate "2014.??.??"]  [EventCountry "ENG"]   1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. Bd3 Bg7 8. Nge2  O-O 9. O-O Na6 10. f3 Nc7 11. Bg5 h6 12. Be3 a6 13. Rb1 $1 {Contrary to the  usual situation in the Modern Benoni, White is happy to allow ...b5 when he  can play b4 in response. The point is that he is then forced to give up  control of d4.} b5 14. b4 c4 15. Bc2 Qe7 16. Qd2 Kh7 17. a4 Bd7 18. Nd4 $16  bxa4 $5 {Black recognises that he has lost the strategic battle and attempts  to mix things up.} 19. Nc6 $2 {White should simply take on a4. I was worried  about Black sacrificing on d5 with a knight, but should not have been.} (19.  Bxa4 Nb5 (19... Bb5 20. Bc2 $16) (19... Ncxd5 {was the move I was worried  about, but White is doing very well after} 20. exd5 Bxa4 21. Nxa4 Nxd5 22. Nc2  $18) (19... Nfxd5 20. exd5 Bxa4 21. Nxa4 Nxd5 22. Nc2 $18) 20. Bxb5 axb5 21.  Ncxb5 Bxb5 22. Nxb5 $16 {White has an extra pawn, and Black has weaknesses on  c6 and c4.}) 19... Bxc6 20. dxc6 Rfd8 $2 (20... Nb5 $1 {gives Black good play.}  ) 21. Bxa4 (21. Nxa4 $5 {was also worth considering.}) 21... d5 22. Bc5 (22. e5  {does not seem to achieve much, e.g.} Qxe5 23. Bf4 Qe7 24. Rfe1 Ne6 25. c7 Rd6  26. Bxd6 Qxd6 $15 {The Black centre pawns are worth more than the exchange.})  22... Qe5 23. f4 $1 Nxe4 24. Nxe4 Qxe4 25. Bc2 $2 {I played this as I wanted  to stop ...Qd3. However, it was better to move the rook from b1 to e1. After  the move played, Black is on top.} (25. Rbe1 $1 c3 {was my opponent's intended  move, followed by ...Qf5.} (25... Qd3 26. Qxd3 cxd3 {was the reason I played  25 Bc2, although White seems to be doing well, e.g.} 27. Re7 $14) 26. Qf2 (26.  Rxe4 cxd2 27. Re7) 26... Qf5 27. Bc2 Qf6 28. Re7 Nb5 $1 (28... Rac8 $2 29. f5  g5 $2 30. Bd4 $1 Qxd4 31. f6+ $18) (28... Ne6 29. f5 gxf5 (29... Nxc5 $2 30.  fxg6+ Kh8 31. Qxf6 Bxf6 32. Rxf6 $18) 30. Bxf5+ Kh8 31. Bxe6 Qxf2+ 32. Kxf2  fxe6 33. Ke2 $16 {The White king stops the Black pawns, while intending Rff7.})  29. f5 Kg8 (29... g5 $2 30. Re6 $1 fxe6 31. fxe6+ Kg8 32. Qxf6 Bxf6 33. Rxf6  $16 {White advanced pawns and bishop pair are worth far more than the extra  exchange.}) 30. Rb7 Rac8 31. fxg6 (31. Be7 $2 Qxc6 $11) 31... Qxf2+ 32. Kxf2  Bd4+ 33. Kg3 (33. Bxd4 Nxd4 34. gxf7+ Kf8 35. c7 Rd7 36. Bg6 Rdxc7 37. Re1 Kg7  38. Re8 Ne6 39. Rxc7 Rxc7 40. Rxe6 c2 41. Bxc2 Rxc2+ 42. Kf3 Kxf7 43. Rxa6 $14)  33... Bxc5 34. bxc5 (34. gxf7+ Kf8 35. bxc5 Rxc6 $11) 34... fxg6 35. Rf6) 25...  Qe6 $17 26. f5 $5 {White attempts to mix things up, but this doesn't  ultimately work. Both players were in time trouble, so play was certainly not  perfect from this point on, but Black always managed to maintain some  advantage.} Qxc6 27. Qf4 a5 28. Be7 (28. fxg6+ fxg6 29. Bxg6+ Qxg6 (29... Kxg6  $4 30. Qf5#) 30. Qxc7 axb4) 28... Re8 (28... Rd7 $1) 29. f6 (29. Bd6 $1) 29...  Ne6 30. Qg4 Bf8 31. Rbe1 Ng5 (31... Bxe7 $2 32. fxe7 (32. Bxg6+ $2 fxg6 33.  Rxe6 $2 {was what I intended, but this loses at once to} Bc5+ $1 $19) 32...  Rxe7 $2 33. Rxf7+ $1 Rxf7 34. Rxe6 $18) 32. h4 Ne4 33. h5 Bxe7 34. hxg6+ fxg6  35. Rxe4 Bc5+ (35... dxe4 36. fxe7 Rxe7 $19) 36. bxc5 Rxe4 37. Bxe4 dxe4 38.  Kh1 h5 (38... a4 $1) 39. Qg5 Rf8 40. Qe5 Qe8 41. Qc3 (41. Qd4 $1) 41... Qe6 42.  Qxa5 Rxf6 {Time control} 43. Rxf6 {The sealed move. White resigned without  resuming as his position looks hopeless, e.g.} (43. Rxf6 Qxf6 44. Qc7+ Kh6 45.  Qd6 Qxd6 46. cxd6 c3 47. d7 c2 48. d8=Q c1=Q+ 49. Kh2 Qc5 50. Qh8+ Kg5 51. Qd8+  Kf5 52. Qd7+ Kf6 53. Qd8+ Kg7 54. Qd7+ Kh6 55. Qe8 e3 $19) 0-1