[Event "URS Trade Unions-ch05"]
[Site "Leningrad"]
[Date "1938.??.??"]
[Round "13"]
[White "Mazel, Isaak"]
[Black "Grechkin, Dmitry Makarovich"]
[Result "1-0"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O Nbd7 7. b3 dxc4 8. bxc4 c5 9. e3 Qc7 10. Qb3 Nb6 11. Ba3 Bd7 12. Nc3 Bc6 13. Nb5 Qc8 14. Rfd1 Rd8 15. Rab1 Ne4 16. Ne5 Bxb5 17. cxb5 c4 18. Qc2 Bxa3 19. Bxe4 f5 20. Bg2 Bd6 21. Nf3 Nd5 22. Nd2 c3 23. Bxd5 exd5 24. Nb3 Qc4 25. Nc1 Rac8 26. Rb3 Qa4 27. Ne2 Bb4 28. Rd3 Rc4 29. Kg2 Rdc8 30. Nf4 Rd8 31. a3 Qxb3 32. Qxb3 c2 33. Ne2 1-0