[Event "URS-ch06 Quarterfinal Group 2"]
[Site "Odessa"]
[Date "1929.09.04"]
[Round "4"]
[White "Botvinnik, Mikhail"]
[Black "Riumin, Nikolay Nikolaevich"]
[Result "1-0"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Be7 5. e3 Nbd7 6. Nc3 O-O 7. Bd3 c6 8. O-O a6 9. Qc2 h6 10. Bh4 dxc4 11. Bxc4 Nd5 12. Bg3 Nxc3 13. bxc3 b5 14. Be2 Bb7 15. a4 Rc8 16. Rfb1 Nf6 17. Ne5 c5 18. axb5 cxd4 19. exd4 axb5 20. Rxb5 Bd5 21. Bf3 Bxf3 22. Nxf3 Nd5 23. c4 Bf6 24. c5 Ne7 25. Qe4 Nf5 26. Rd1 Qd7 27. Rbb1 Rfd8 28. Be5 Bxe5 29. Qxe5 Qd5 30. Qxd5 Rxd5 31. Kf1 Rcd8 32. c6 Rc8 33. Rdc1 Rd6 34. c7 Rd7 35. Rb8 Ne7 36. Rxc8+ Nxc8 37. Ne5 Re7 38. Ke2 f6 39. Nd3 Kf7 40. Rc6 Rd7 41. Ke3 Ke7 42. Nf4 Rd6 43. Rc3 g5 44. Nd3 Ra6 45. Nc5 Rc6 46. Ne4 Rxc3+ 47. Nxc3 Nb6 48. d5 Kd6 49. Nb5+ Kxd5 50. Na7 1-0