[Event "Karlsbad"] [Site "Karlsbad"] [Round "10"] [White "Capablanca"] [Black "Treybal"] [Result "1-0"] [ECO "D11"] [Opening "Slav: 3.Nf3"] {Closing of the Kingside and breakthrough on the Queenside} 1. d4 d5 2. c4 c6 3. Nf3 e6 4. Bg5 Be7 5. Bxe7 Qxe7 6. Nbd2 f5 7. e3 Nd7 8. Bd3 Nh6 9. O-O O-O 10. Qc2 g6 11. Rab1 Nf6 12. Ne5 Nf7 13. f4 Bd7 {The exchange of Bishops at move 5 has enabled White to set up a favourable Anti Stonewall, since Black has the Bad Bishop. Black's .. Bd7 is a new sin of omission, allowing White to retain the Knight on e5} (13... Nxe5) 14. Ndf3 Rfd8 15. b4 Be8 16. Rfc1 a6 17. Qf2 Nxe5 18. Nxe5 Nd7 19. Nf3 $1 {In accordance with the principle that the sie having the greater freedom should seek to keep the pieces on the board} 19... Rdc8 20. c5 Nf6 21. a4 Ng4 22. Qe1 Nh6 23. h3 Nf7 24. g4 $1 {Not primaril y to start operations on this wing, but rather to deprive Black of his last counterchance ... Pg5. Besides all this, it must be considered a point in White's favour that Black will now be hampered in allhis movements by having to reckon all the time with the possibility that White may yet open an offensive on the Kingside} 24... Bd7 25. Rc2 Kh8 26. Rg2 Rg8 27. g5 Qd8 28. h4 Kg7 29. h5 Rh8 30. Rh2 Qc7 31. Qc3 Qd8 32. Kf2 Qc7 33. Rbh1 Rag8 34. Qa1 Rb8 35. Qa3 Rbg8 36. b5 {White has retained twofold possibilities, and has kept Black's forces so tied down on the Kingside that he is now in a position to open a file on the far side without Black being able to contest it} 36... axb5 37. h6+ $1 {At last he closes the Kingside, and transfers the whole course of the battle definitely to the other flank} 37... Kf8 38. axb5 Ke7 39. b6 Qb8 40. Ra1 Rc8 (40... Qa8 41. Qc3 Qd8 42. Ra7) 41. Qb4 Rhd8 42. Ra7 Kf8 43. Rh1 Be8 44. Rha1 Kg8 45. R1a4 Kf8 46. Qa3 {Black is completely encircled, and it remains for White to conquer b7. He is anxious to rule out any possibility of Black breaking the cordon on the Kingside by a Knight sacrifice. The way he chooses is not the shortest, but he has ample time} 46... Kg8 47. Kg3 Bd7 48. Kh4 Kh8 49. Qa1 Kg8 50. Kg3 Kf8 51. Kg2 Be8 52. Nd2 Bd7 53. Nb3 Re8 (53... Be8 54. Na5 Rd7 55. Nxb7 Rxb7 56. Ra8) 54. Na5 Nd8 55. Ba6 $1 bxa6 56. Rxd7 Re7 57. Rxd8+ Rxd8 58. Nxc6 1-0