[Event "Olympiad-01"]
[Site "London"]
[Date "1927.07.21"]
[Round "5"]
[White "Tarrasch, Siegbert"]
[Black "Koltanowski, George"]
[Result "1/2-1/2"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 d6 5. h3 O-O 6. Bg5 h6 7. Be3 Kh7 8. g4 Ng8 9. Bd3 e5 10. Ne2 Nc6 11. c3 Qe7 12. d5 Nb8 13. Ng3 c5 14. Qe2 a6 15. a4 b6 16. Nd2 Nd7 17. h4 Ndf6 18. f3 Ra7 19. g5 Ne8 20. h5 b5 21. Qg2 Rb7 22. axb5 axb5 23. Ke2 b4 24. c4 Ra7 25. Rag1 Ra2 26. b3 Ra7 27. gxh6 Bf6 28. Ngf1 g5 29. Bxg5 Bxg5 30. Qxg5 Qxg5 31. Rxg5 Nxh6 32. Rhg1 f6 33. R5g2 Rg8 34. Rxg8 Nxg8 35. Ng3 Nh6 36. Nf5 Nf7 37. Ke3 Bxf5 38. exf5 Ng5 39. Ne4 Nxe4 40. fxe4 Ra2 41. Be2 Rb2 42. Bd1 Ra2 43. Kd3 Rb2 44. Bc2 Ra2 45. Kd2 Ra7 46. Kc1 Rg7 47. Rg6 Rxg6 48. fxg6+ Kh6 49. Bd1 Kg5 50. Kd2 Ng7 51. Ke1 Ne8 52. Kf2 Ng7 53. Kg2 Ne8 1/2-1/2