[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.10"]
[Round "1"]
[White "Gray, John"]
[Black "Zalys, Ignas"]
[Result "0-1"]
[ECO "A35"]
[PlyCount "98"]
[EventDate "1969.08.10"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. Nc3 e5 4. d3 Be7 5. g3 d6 6. Bg2 Be6 7. 0-0 h5 8. Nd5 Nh6 9. Nxe7 Qxe7 10. Ng5 Bg4 11. h3 Bd7 12. Bd2 f6 13. Ne4 Nf7 14. Nc3 Be6 15. Nd5 Qd7 16. Kh2 Ne7 17. Nxe7 Kxe7 18. Qb3 Nd8 19. Qd1 h4 20. g4 g5 21. Be4 d5 22. cxd5 Bxd5 23. Bf5 Qd6 24. Qc2 Nc6 25. Be3 b6 26. a3 a5 27. Kg1 a4 28. Be4 Na5 29. Bxd5 Qxd5 30. Rad1 Nb3 31. Qc4 Qxc4 32. dxc4 Rhd8 33. f3 Rxd1 34. Rxd1 Rd8 35. Rd3 Na5 36. Rc3 Rd1+ 37. Kg2 Ke6 38. Kf2 Rb1 39. Rc2 Nb3 40. Kg2 Rd1 41. Kf2 Na5 42. Kg2 Nb7 43. Kf2 Nd6 44. Kg2 Kf7 45. Kf2 Kg6 46. Kg2 f5 47. Rd2 Nxc4 48. gxf5+ Kxf5 49. Rxd1 Nxe3+ 0-1

