Simul game from 1981

Below is a game from a simultaneous display given in Colchester in Autumn 1981.

[Event "Simultaneous match"] [Site "?"] [Date "1981.11.29"] [Round "?"] [White "Basman, M."] [Black "Davies, W. J. N."] [Result "0-1"] [ECO "A00"] [Annotator "Nathan"] [PlyCount "70"] [SourceVersionDate "2021.07.29"] 1. g4 {A move often played by IM Michael Basman who was well-known for his off-beat openings.} c5 2. Bg2 Nc6 3. h3 e6 4. c4 d5 5. Nc3 Nge7 (5... d4 { is better. While it opens the h1-a8 diagonal for White's bishop, the black pawns give White a cramped position.}) 6. Nf3 Ng6 7. d3 h6 8. Bd2 Be7 9. a3 a5 10. Rc1 b6 11. e4 d4 $6 (11... dxc4 12. dxc4 Nd4 13. Nxd4 cxd4 14. Nb5 e5 $17 { both of White's bishops are hemmed in.}) 12. Ne2 e5 13. Ng3 O-O 14. Nf5 Bxf5 15. exf5 Nf4 16. Bxf4 exf4 17. O-O Ra7 18. Re1 Qd6 19. Nd2 Bh4 20. Ne4 Qc7 21. Qb3 Ne5 22. Nd2 Bg5 23. Bd5 f3 $1 {Cutting off the bishop's retreat and pinning the d2 knight.} 24. Rcd1 (24. Nxf3 $2 Nxf3+ 25. Bxf3 Bxc1) 24... a4 $2 (24... Bxd2 $1 25. Rxd2 Nxg4 26. hxg4 (26. Bxf3 Qh2+ 27. Kf1 Qxh3+ $17) 26... Qf4 27. Bxf3 (27. Rc2 $4 Qxg4+ 28. Kf1 Qg2#) 27... Qxd2) 25. Qb5 $4 {Annotated on the original scoresheet as ?} Ra5 {The queen is trapped.} 26. Qxa5 bxa5 27. Ne4 Bf4 28. Rb1 Nxd3 29. Red1 Ne5 30. b3 Rb8 31. bxa4 Rxb1 32. Rxb1 Nd3 33. Rb7 Bh2+ 34. Kf1 Qf4 35. Rb1 Nb2 0-1