[Event "Moscow"] [Site "?"] [Round "0"] [White "Euwe"] [Black "Reshevsky"] [Result "0-1"] [ECO "E33"] [Opening "Nimzo-Indian: Classical, 4...Nc6"] {The brighter side of the e-pawn advance} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 d6 6. Bd2 O-O 7. a3 Bxc3 8. Bxc3 a5 9. e3 Qe7 10. Bd3 e5 11. dxe5 dxe5 12. O-O (12. Ng5 h6 13. Ne4 {Black could only force ... Pe4 with the help of his f-pawn and this would have involved him in greater obligations} 13... Ne8 (13... Nxe4 14. Bxe4 f5 15. Bd5+ Kh8 16. O-O { White threatens dangerous activity for his two Bishop with Pf4}) 14. Ng3 { keeping control of the important e4 and f5 squares}) 12... Re8 (12... e4 13. Bxf6 exd3 14. Bxe7 dxc2 15. Bxf8) 13. Bf5 (13. Ng5 e4 14. Bxf6 exd3 15. Bxe7 dxc2 16. Bc5 Re5 $19) (13. Nd2 e4 14. Bxf6 exd3 15. Bxe7 dxc2 16. Bh4 Bf5 $17) 13... Bxf5 14. Qxf5 Qe6 15. Qxe6 Rxe6 {Black stands better in this ending, mainly due to his control of e4. Not only can he play .. . Pe4 whenever the moment is right, but meanwhile this square can be used by the Knight} 16. b4 ( 16. Rfd1 a4) (16. Ng5 Re7 17. f3 h6 18. Nh3 {fighting against Black's e4}) 16... Ne4 17. Bb2 f6 {threatening to win a pawn} 18. b5 Ne7 19. Rfd1 Rd6 20. Kf1 (20. Rxd6 cxd6 {Black can target the c-pawn}) 20... Nc8 21. Rdc1 c5 22. Bc3 (22. bxc6 Rxc6) (22. Ke2 Nb6 $17) 22... Nxc3 23. Rxc3 e4 {White this ted advance, Black takes up the advanced fixed single-pawn centre under favourable conditions. he control the open d-file, with its obvious outpost on d3, and has read targets in White's c and a-pawns} 24. Ng1 Nb6 25. Ne2 f5 26. Ke1 Rad8 27. Rc2 Kf7 28. Ng3 Ke6 29. Nf1 Rd3 30. Ng3 g5 31. Ne2 Na4 32. Ng3 Ke5 33. Nf1 h5 34. f3 Rb3 35. fxe4 fxe4 36. Rf2 Nb2 37. Rc2 Nd3+ 38. Ke2 Rf8 39. Nd2 Rf2+ 40. Kd1 Rb2 41. Rxb2 Nxb2+ 42. Kc1 Rxg2 0-1