Thinnsen, James vs Tarjan, James
CalChess Masters · Round 4 · 1981.??.?? · 1/2-1/2 · A30 English Opening: Symmetrical Variation, Hedgehog Defense
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PGN
[Event "CalChess Masters"] [Site "Berkeley"] [Date "1981.??.??"] [Round "4"] [White "Thinnsen, James"] [Black "Tarjan, James"] [Result "1/2-1/2"] [PlyCount "114"] [WhiteElo "2220"] [WhiteFideId "2001276"] [WhiteTitle "FM"] [BlackElo "2530"] [BlackFideId "2000180"] [BlackTitle "GM"] [ECO "A30s"] [Source "Codekiddy"] [SourceQuality "3"] [ImportDate "2026-01-06"] 1. Nf3 c5 2. c4 Nf6 3. Nc3 e6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. d4 cxd4 8. Qxd4 O-O 9. Rd1 d6 10. b3 Nbd7 11. Bb2 a6 12. e4 Qc7 13. Rac1 Rfe8 14. Ba3 Nc5 15. e5 dxe5 16. Qxe5 Qxe5 17. Nxe5 Bxg2 18. Bxc5 Bxc5 19. Kxg2 Red8 20. Na4 Ba3 21. Rb1 b5 22. Nb6 Rxd1 23. Rxd1 Re8 24. Nbd7 h6 25. Nxf6+ gxf6 26. Nd7 Kg7 27. Rd4 f5 28. f4 Rc8 29. Kf3 f6 30. Nb6 Rb8 31. Nd7 Rb7 32. c5 a5 33. c6 Rc7 34. Nb8 Kf7 35. Rd7+ Rxd7 36. Nxd7 Bd6 37. Ke3 e5 38. a4 bxa4 39. bxa4 Ke6 40. h4 h5 41. Kf3 Bc7 42. Nc5+ Kd6 43. Nd7 Bd8 44. Nf8 Kxc6 45. Ne6 Be7 46. Ke3 Kd5 47. Ng7 Kc4 48. Nxh5 Kb4 49. Ng7 Bf8 50. Ne6 Bh6 51. Kd3 Kxa4 52. Kc4 Ka3 53. Kc3 Ka2 54. Kc2 a4 55. h5 Ka3 56. Kc3 Ka2 57. Kc2 Ka3 1/2-1/2