[Event "Groningen Chess Festival"]
[Site "Groningen NED"]
[Date "2013.12.22"]
[EventDate "2013.12.21"]
[Round "2.22"]
[Result "1/2-1/2"]
[White "Sipke Ernst"]
[Black "Joost Offringa"]
[ECO "A88"]
[WhiteElo "2566"]
[BlackElo "2178"]
[PlyCount "127"]

1. d4 f5 2. g3 g6 3. Bg2 Nf6 4. Nf3 Bg7 5. O-O O-O 6. c4 d6
7. Nc3 c6 8. d5 Bd7 9. Be3 Na6 10. a3 Ng4 11. Bg5 h6 12. Bd2
e5 13. dxe6 Bxe6 14. b3 Nc5 15. Rc1 Ne4 16. Be1 d5 17. cxd5
Nxc3 18. Bxc3 Bxd5 19. Bxg7 Kxg7 20. Nd4 Re8 21. Rc2 Bxg2
22. Kxg2 Qd5+ 23. Kg1 Nf6 24. Qa1 Rad8 25. e3 Kf7 26. b4 Ne4
27. f3 Ng5 28. Rc5 Qd6 29. Qa2+ Kf8 30. Rc3 Ne6 31. Nb3 Nc7
32. Nc5 Qd2 33. Qxd2 Rxd2 34. e4 Nb5 35. Re3 Re7 36. Rf2 Rxf2
37. Kxf2 fxe4 38. Nxe4 Rd7 39. g4 Rd1 40. Nc5 b6 41. Nd3 Rd2+
42. Kg3 Nd4 43. Nf4 Kf7 44. Rd3 Rxd3 45. Nxd3 Ke6 46. h4 a5
47. bxa5 bxa5 48. a4 Ne2+ 49. Kf2 Nc3 50. Nb2 Ke5 51. Ke3 Nd5+
52. Kd2 Kd4 53. Nd3 c5 54. Nc1 Nf4 55. Nb3+ Kc4 56. Nxa5+ Kb4
57. Nb7 c4 58. Nd6 c3+ 59. Kc2 Ng2 60. Ne4 Ne1+ 61. Kc1 Nxf3
62. a5 Kxa5 63. Nxc3 Nxh4 64. Kd2 1/2-1/2