Costigan, Richard vs Donaldson, John
Philadelphia Open · Round 1 · 1986.01.01 · 1/2-1/2 · A46 Indian Defense: Spielmann-Indian
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PGN
[Event "Philadelphia Open"] [Site "Philadelphia open"] [Date "1986.01.01"] [Round "1"] [White "Costigan, Richard"] [Black "Donaldson, John"] [Result "1/2-1/2"] [PlyCount "128"] [WhiteElo "2310"] [WhiteFideId "2001632"] [WhiteTitle "IM"] [BlackElo "2420"] [BlackFideId "2000709"] [BlackTitle "IM"] [ECO "A46t"] [Source "MillionBase2.9"] [SourceQuality "4"] [ImportDate "2026-01-06"] 1. d4 Nf6 2. Nf3 c5 3. c3 e6 4. Bg5 Qb6 5. Qc2 d5 6. e3 Nc6 7. Bd3 Bd7 8. Nbd2 Rc8 9. Qb1 h6 10. Bh4 g5 11. Bg3 Nh5 12. Be5 Nxe5 13. Nxe5 Rg8 14. g4 Nf6 15. a4 Bd6 16. Ndf3 Ke7 17. Kf1 Be8 18. Kg2 Nd7 19. Nxd7 Bxd7 20. e4 c4 21. Bc2 dxe4 22. Bxe4 Bc6 23. Re1 Kf8 24. Bxc6 Qxc6 25. Qh7 Qd5 26. Re2 Ke7 27. Qxh6 Rh8 28. Qxg5+ Qxg5 29. Nxg5 Rcg8 30. Ne4 Rxh2+ 31. Kf3 Rh3+ 32. Ng3 Bxg3 33. fxg3 f5 34. Kg2 fxg4 35. Rh1 Rxh1 36. Kxh1 Rg5 37. Kg2 Kd6 38. Re4 b6 39. Kf2 Ra5 40. Rxg4 Rxa4 41. Re4 Ra5 42. g4 Rb5 43. Re2 Ke7 44. Kg3 Kf7 45. Kh4 a5 46. g5 a4 47. Kh5 Kg7 48. Rxe6 Rxb2 49. Re7+ Kf8 50. Ra7 Rc2 51. Rxa4 Rxc3 52. Rb4 Kg7 53. Rxb6 Rh3+ 54. Kg4 Rd3 55. Rd6 c3 56. Kf5 c2 57. Rd7+ Kf8 58. Rc7 Rxd4 59. Rxc2 Rd6 60. Rc8+ Kg7 61. Rc7+ Kg8 62. Kg4 Ra6 63. Kh5 Rb6 64. g6 Rb1 1/2-1/2