[Event "Karlsbad"] [Site "Karlsbad"] [Round "0"] [White "Rubinstein"] [Black "Nimzowitsch"] [Result "0-1"] [ECO "D02"] [Opening "Queen's Pawn: 2.Nf3 e6"] {Blockaded security by means of the advance ... Pc5} 1. d4 d5 2. Nf3 e6 3. c4 c5 4. cxd5 exd5 5. Nc3 Nc6 6. Bf4 cxd4 7. Nxd4 Bb4 8. e3 Nf6 9. Nxc6 bxc6 10. Bd3 O-O 11. O-O Bd6 12. Bg3 Bxg3 13. hxg3 c5 14. Rc1 Be6 15. Qa4 (15. e4 d4 16. Na4 Bxa2 17. Nxc5 {Marco}) 15... Qb6 16. Qa3 c4 $1 17. Be2 a5 18. Rfd1 Qb4 19. Rd4 Rfd8 (19... Qxa3 20. bxa3 { White would either win the b-pawn or get control of the b-file} 20... Rab8 21. Bf3 Rfd8 22. Rcd1) 20. Rcd1 Rd7 21. Bf3 Rad8 22. Nb1 $2 {The game was approaching a state of deadlock, this move partially relaxes the pressure on Black's d-pawn, gives Black his opportunity of bringing the White b-pawn under fire in return} (22. Kf1 {waiting policy}) 22... Rb8 $1 23. R1d2 Qxa3 $1 (23... Rdb7 24. Qc3 Qxc3 25. Nxc3 Rxb2 26. Rxb2 Rxb2 27. Bxd5 Nxd5 28. Nxd5 Rxa2 29. Rxc4 {White has saved himself (Nimzowitsch)}) 24. Nxa3 Kf8 (24... Rdb7 25. Nxc4 {back rank}) 25. e4 {Virtually forced, else the b-pawn falls} 25... dxe4 26. Rxd7 Nxd7 27. Bxe4 Nc5 28. Rd4 (28. Bc6 $1 Rb4 29. Bd5 Na4 30. Bxe6 fxe6 31. Rd8+ Ke7 32. Ra8 $11) 28... Nxe4 29. Rxe4 Rxb2 30. Nxc4 Rb4 31. Nd6 Rxe4 32. Nxe4 Bxa2 {And Black clinched the win as follows} 33. Nc3 Bc4 34. f4 Ke7 35. Kf2 Kd6 36. Ke3 Kc5 37. g4 Kb4 38. Kd4 Bb3 39. g5 a4 40. Nb1 Be6 41. g3 Kb3 42. Nc3 a3 43. Kd3 g6 44. Kd4 Kc2 $22 0-1