[Event "Wageningen"] [Site "?"] [Round "0"] [White "Olfasson"] [Black "Alster"] [Result "1-0"] [ECO "A80"] [Opening "Dutch: 2.Nc3 d5 3.Bg5"] 1. d4 f5 2. Nc3 d5 3. Bg5 g6 4. h4 Bg7 5. Qd2 Nc6 6. Nf3 Nf6 7. Bh6 Bxh6 8. Qxh6 Be6 9. e3 Qd7 10. Bb5 Ng4 11. Qf4 a6 12. Bxc6 Qxc6 13. Ne5 Nxe5 14. Qxe5 Kd7 15. O-O-O Qd6 16. Ne2 c6 17. Nf4 Rhg8 18. Rd3 b6 19. Rb3 Rab8 20. Nd3 Qxe5 21. Nxe5+ Kd6 22. f4 c5 {The art of maneuvering is by no means peculiar to the middlegame. It is precisely in the ending that typical alternating tactics are frequently necessary in order to turn some definite advantage into a win. The presence of four Rooks means that it retains some middlegame character, but even so the Knight is stronger than the bad Bishop. For the time being, however, this advantage is not a decisive one. White has the iniative and uses it to carry out the following maneuvers} 23. Ra3 Ra8 24. Rd3 { to avoid having his Rook cut off from play by Black's ... Pc5-c4} 24... Kc7 25. Rh3 Rad8 26. Rd1 Rg7 27. Rg3 Rdg8 28. Rh1 Kd6 29. Kd2 Bc8 30. Ke2 Be6 31. Kf2 Bf7 (31... h5 32. Rg5 (32. c3 c4 33. Rb1 { White transfers the zone of battle to the Queenside}) 32... Bd7 33. Rh3 c4 34. Rhg3 Be8 {White is getting nowhere on the Kside}) (31... h6 32. h5 g5) 32. h5 $1 Rf8 {Black has to allow the weakening of his pawns} (32... gxh5 33. Nxf7+) 33. hxg6 Bxg6 (33... hxg6 34. Rh6) 34. Rh6 Rfg8 35. Nf3 e6 36. Ng5 Rc7 37. c3 c4 38. Nf3 { White begins to maneuver with the goal of creating a second weakness} (38. Rgh3 Rgg7) 38... b5 39. Ke1 b4 40. Kd2 (40. cxb4 c3 41. bxc3 Rxc3 42. Kd2 Rgc8) 40... bxc3+ (40... a5 {maintaining tension}) 41. Kxc3 Rb7 42. Ne5 Rbg7 (42... Rgb8 43. Nxg6 hxg6 44. Rgxg6 Rxb2 45. Rxe6+ $18) 43. b3 cxb3 44. axb3 Rb8 45. Nd3 (45. Nxg6 Rbg8) 45... Re7 46. Rh1 { White has forced teh second weakness. Now he fastens on the Black a-pawn} 46... a5 47. Ra1 Ra8 48. Nc5 Raa7 49. Ra2 Kc6 50. Rh3 Kb5 51. Rh1 Be8 52. Rb1 Kc6 ( 52... -- 53. b4 axb4+ 54. Rxb4+ Kc6 55. Rxa7 Rxa7 56. Nxe6) 53. Kd3 Kb5 54. Kc3 Kc6 55. Rbb2 h5 56. b4 {Since White is getting no farther with his attack on the Black a-pawn, he decides to exchange it for his own destitute b-pawn. This, however, is simplifications which improves Black's drawing chances} 56... axb4+ 57. Kxb4 Kd6 58. Kc3 Bc6 (58... -- 59. Rb6+ Bc6 60. Rxa7 Rxa7 61. Nxe6 $1 Ra3+ 62. Kd2 Ra2+ 63. Kd3 Rxg2 64. Nd8 Kc7 65. Rxc6+ Kxd8 66. Rd6+ $16) 59. Kd2 { Before understanding anything further White transfers his King to the other flank} 59... h4 60. Ke1 Rxa2 {This is inevitable in the long run, for otherwise White will bring his King to h3} 61. Rxa2 Rh7 62. Ra6 h3 $1 { Indirectly protecting his e-file, and at the same time dissolving one of his weaknesses} 63. gxh3 Rxh3 64. Kf2 Rh2+ 65. Kg3 Rh6 66. Nd3 { e5 and c5 are axis of White's operations} 66... Kc7 67. Ra7+ Kd8 $2 { The final mistake} (67... Kd6 68. Ne5 Be8 {unclear how White progresses}) 68. Nc5 {Now that the Black King can no longer protect the e-pawn, this duty must be permanently undertakes by the Rooks. This allows White's K to enter the front line in person} 68... Be8 69. Kf2 Rh2+ 70. Ke1 Rh6 71. Kd2 Bh5 72. Kc3 Ke8 73. Kb4 Bf7 74. Nd7 {Now White can attack the Black position with his Knight at one end of the axis (e5) and his King at the other end (c5)} 74... Rh3 75. Ne5 Bh5 76. Kc5 Rxe3 77. Kd6 Kf8 78. Kxe6 Re4 79. Kf6 Kg8 80. Rg7+ Kh8 81. Rg3 $1 Bg4 82. Ra3 $1 Kg8 83. Ra8+ Kh7 84. Nf7 1-0