Flohr vs Johner
[Event "Ch Switzerland"] [Site "Zurich (Switzerland)"] [Round "0"] [White "Flohr"] [Black "Johner"] [Result "1-0"] [ECO "A22"] [Opening "English: King's, 2.Nc3 Nf6 3.Nf3"] {The siege of c7} 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 exd4 5. Nxd4 Bb4 6. Bg5 O-O 7. Rc1 Re8 8. e3 Ne5 9. Be2 h6 10. Bh4 Ng6 11. Bxf6 Qxf6 12. O-O Bxc3 13. Rxc3 d6 14. Nb5 Qd8 15. Rc1 Bd7 16. Nc3 Bc6 17. Nd5 Rb8 18. Qd2 Ne7 19. Rfd1 a6 20. Bf3 Qd7 21. Qc3 Rec8 22. Qa3 Re8 23. e4 Bxd5 24. cxd5 {White must ow maneuver to pressure the c-pawn. For now Black has the mobility of his Knight to set agains the weakening of his c-pawn} 24... Ng6 25. g3 Re7 26. Qb4 Nf8 { Black directs counerplay against White's e-pawn} 27. Rd2 Nh7 28. Rdc2 Qd8 29. Bg2 Nf6 30. f3 Ne8 31. Qd4 Nf6 32. Bh3 $1 {The first part of White's problem is solved. His e-pawn is well secured, and the Bishop has found a fine action station} 32... Ne8 33. Rc3 Kf8 34. Rb3 $1 { The threat of Qa7 forces a further weakening} 34... b6 35. Ra3 Ra8 36. Qc4 a5 37. Rac3 Ra7 38. Qd4 Nf6 39. a3 {The forced weakening of the Black Queenside means that White will be able to open a file on this flank} 39... Ne8 40. Qa4 Nf6 41. Qc2 Kg8 42. Bf1 {At last things are getting really serious. This Bishop is going to b5, from which vantage point it will cut off the Knigt from the Queenside} 42... Qd7 43. Rc6 Qd8 44. Bb5 Kf8 45. Rc3 Kg8 46. h4 {This is a characterisitic feature of the tacking style of strategy being followed here by White. When maneuvering like this it is essential to prepare attacking chances on both wings. White now shifts his attention to the Kingside} 46... Qc8 47. Kh2 Kf8 48. Bf1 Qd7 49. Bh3 Qe8 50. Qd2 Qd8 51. Qc2 Qe8 52. Kg1 Kg8 53. Bf1 Qd7 54. b4 axb4 $2 {Black should have continued his waiting game. Now the a-file will fall quickly into White's hands - a normal consequence of the defender who lacks freedom of movement} 55. axb4 Ne8 56. Qb2 Qa4 57. Bc4 Kf8 58. Rb1 Qd7 59. Bf1 Qa4 60. Rcc1 Qd7 61. Ra1 Rxa1 62. Qxa1 { The end of a vital phase: mastery of the open a-file} 62... Qd8 63. Qc3 Nf6 64. Bb5 Qc8 65. Kg2 Ne8 66. Qc6 $1 f5 67. Ra1 fxe4 68. Ra8 Qxa8 69. Qxa8 e3 70. Kf1 Kf7 71. Ke2 Nf6 72. g4 1-0
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OpeningA22 — English: King's, 2.Nc3 Nf6 3.Nf3
TournamentCh Switzerland
LocationZurich (Switzerland)