Oconnor, Derek vs Yoo, Christopher Woojin
Calchess State 2018 · Round 4 · 2018.09.02 · 1/2-1/2 · E62 King's Indian Defense: Fianchetto Variation, Uhlmann-Szabo System
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PGN
[Event "Calchess State 2018"] [Site "Union City, CA USA"] [Date "2018.09.02"] [Round "4"] [White "Oconnor, Derek"] [Black "Yoo, Christopher Woojin"] [Result "1/2-1/2"] [PlyCount "109"] [WhiteElo "2232"] [WhiteFideId "30930898"] [BlackElo "2402"] [BlackFideId "30909694"] [BlackTitle "GM"] [ECO "E62t"] [Source "KingBase2019"] [SourceQuality "5"] [ImportDate "2026-01-06"] 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. O-O e5 8. dxe5 dxe5 9. Bg5 Be6 10. Qc1 Qb8 11. Rd1 Nd7 12. Bh6 f6 13. Nd5 Nb6 14. Bxg7 Kxg7 15. Qc3 Bg4 16. Rac1 Bxf3 17. Qxf3 Rf7 18. Qc3 Nd4 19. Rd2 c6 20. Nb4 Qc7 21. Nc2 Nxc2 22. Qxc2 Rd8 23. Rcd1 Rxd2 24. Rxd2 Rd7 25. c5 Rxd2 26. Qxd2 Qd7 27. Qxd7+ Nxd7 28. b4 f5 29. e3 Kf6 30. Bf1 e4 31. Be2 Ne5 32. Kf1 g5 33. Ke1 f4 34. gxf4 gxf4 35. exf4 Ng6 36. Bg4 Nxf4 37. a3 Ke5 38. Kd2 Nd5 39. Bc8 b6 40. Bd7 bxc5 41. bxc5 Ne7 42. Kc3 Kd5 43. Kb4 Kd4 44. Ka5 Kxc5 45. Ka6 Kd4 46. Kxa7 c5 47. a4 c4 48. a5 Nd5 49. Ba4 Nb4 50. Kb6 c3 51. a6 Nxa6 52. Kxa6 Kd3 53. Kb5 c2 54. Bxc2+ Kxc2 55. Kc4 1/2-1/2