[Event "URS-ch20 Semifinal"]
[Site "Riga"]
[Date "1952.05.20"]
[Round "4"]
[White "Fridstein, German Samuilovich"]
[Black "Chaplinsky, Edgar"]
[Result "0-1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. O-O a6 8. d5 Na5 9. Nd2 c5 10. dxc6 Nxc6 11. Nb3 a5 12. a4 Nd7 13. Nb5 Nde5 14. c5 Nc4 15. cxd6 exd6 16. N3d4 Nxd4 17. Nxd4 Bg4 18. h3 Qb6 19. Nb5 Bf5 20. Ra2 Rac8 21. Bf4 Be5 22. Bxe5 dxe5 23. b3 Rfd8 24. Qe1 Nd6 25. Nxd6 Rxd6 26. Rd2 Rxd2 27. Qxd2 Rc2 28. Qd5 Rxe2 29. Qxb7 Qxb7 30. Bxb7 Bxh3 31. Rc1 e4 32. Ra1 e3 33. fxe3 Rxe3 34. Kh2 Be6 35. b4 axb4 36. a5 Ra3 37. Rb1 Ra2+ 38. Kg1 b3 39. a6 b2 40. Rxb2 Rxb2 41. a7 Ra2 42. a8=Q+ Rxa8 43. Bxa8 Kg7 0-1