Struggle for Diagonals

[Event "Moskva"] [Site "Moskva"] [Date "1936.??.??"] [Round "8"] [White "Capablanca"] [Black "Lilienthal"] [Result "1-0"] [ECO "A12"] [Annotator "17: Struggle for Diagonals"] [PlyCount "107"] [Source "Hays Publishing"] [SourceDate "1964.01.01"] {Involving various diagonals} 1. Nf3 d5 2. c4 c6 3. b3 Bf5 4. Bb2 e6 5. g3 Nf6 6. Bg2 Nbd7 7. O-O h6 8. d3 Be7 9. Nbd2 O-O 10. Rc1 a5 11. a3 Re8 12. Rc2 Bh7 13. Qa1 {"Doubling" on the diagonal - an idea typical of the so-called hypermodern style, which originated around 1920 with the masters Reti and Breyer. The centre was not occuped by pawn, but controlled from a distance by long-range pieces} 13... Bf8 (13... Bd6 {more active} 14. -- e5) 14. Re1 14... Qb6 15. Bh3 Bc5 16. Rf1 Bf8 17. Rcc1 Rad8 18. Rfe1 Bc5 19. Rf1 Bf8 20. Bg2 Bd6 21. Ne5 {So far both sides have been groping for a plan of campain, but this move prepitates a phase of battle for the diagonals} 21... Bxe5 22. Bxe5 Nxe5 23. Qxe5 Nd7 24. Qb2 24... Nf6 $2 {Black persevers with his waiting policy} ( 24... c5 $1 {striking at the centre} 25. cxd5 25... exd5 {opening the e-file} 26. Bxd5 Rxe2) 25. b4 $1 25... axb4 26. Qxb4 Qxb4 27. axb4 Ra8 28. Ra1 Nd7 29. Nb3 29... Kf8 30. Ra5 {An idea familiar to us from previous chapters. White forces a clearing-up of the open file situation by occupying its furthest available square} 30... dxc4 $2 { This exchange is grist ot White's mill, extending the range of his Bishop} ( 30... Ke7 {essential}) 31. dxc4 Nb6 32. Rxa8 { A strong move, now that White can work with tactical devices} 32... Rxa8 33. Na5 Ra7 34. Rd1 Ke8 (34... -- 35. Bxc6 {threat of a Knight fork} 35... bxc6 36. Rd8+ Ke7 37. Nxc6+) 35. Nxb7 35... Rxb7 36. Bxc6+ Rd7 37. c5 { removing the guard} 37... Ke7 38. Bxd7 Nxd7 39. c6 Nb6 40. c7 Bf5 41. Rd8 e5 42. Rb8 Nc8 43. b5 Kd6 44. b6 Ne7 45. Rf8 Bc8 46. Rxf7 Nd5 47. Rxg7 Nxb6 48. Rh7 Nd5 49. Rxh6+ Kxc7 50. e4 Ne7 51. f3 Kd7 52. h4 Ke8 53. Rf6 Ng8 54. Rc6 1-0