[Event "London League FIDE Weekender Major"] [Site "London"] [Date "2026.04.26"] [Round "5"] [White "O'Brien, Thomas P"] [Black "Llewellyn, Julian D"] [Result "1-0"] [Annotator "Tommy O'Brien"] [ECO "D05"] [WhiteElo "1938"] [BlackElo "1778"] [PlyCount "77"] [EventDate "2026.04.24"] [EventType "swiss"] [EventRounds "5"] [EventCountry "ENG"] [SourceVersionDate "2026.04.30"] 1. d4 Nf6 2. Nf3 e6 3. e3 d5 4. Bd3 c5 5. c3 Nc6 6. O-O Bd6 7. Nbd2 O-O 8. Re1 b6 9. e4 dxe4 10. Nxe4 Nxe4 11. Bxe4 Bb7 12. Ng5 ({Tommy spent 15 minutes looking at} 12. Bxh7+ $1 {Here is one post match study of a possible continuation} Kxh7 13. Ng5+ Kg6 (13... Kg8 $4 14. Qh5 $1 {And Black must give up his Queen in exchange for the Knight on g5 to avoild mate.}) 14. h4 $1 (14. Qd3+ f5 15. Rxe6+ Rf6) 14... Qe8 15. d5 $1 e5 16. Qg4 $1 f5 17. h5+ Kf6 18. Nh7+ Ke7 19. Qxg7+ Qf7 20. Bg5+ Kd7 21. Nxf8+) 12... h6 13. Qh5 Qe7 14. Bc2 (14. Bh7+ $5 Kh8 15. Bc2 {Forces Black's King to the h-file, where the h6 pawn is pinned.}) 14... cxd4 15. Ne4 (15. Rxe6 $1 fxe6 (15... Qc7 16. Rxh6) 16. Qg6) 15... Rad8 16. Bg5 f6 17. Nxd6 Rxd6 (17... fxg5 18. Nxb7 (18. Qg6 Qxd6 19. Rxe6 Rf6 (19... Qd7 20. Qh7+ Kf7 21. Rg6 Rg8 22. Bb3+))) 18. Bf4 Rdd8 19. Qg6 f5 20. Rxe6 Qf7 21. Bb3 (21. Rxc6 $1 Z0 22. Bb3 $140 {Pinning the Queen}) 21... Qxg6 22. Rxg6+ Kh7 23. Re6 Na5 24. f3 {To get the White King across and stop Black's d-pawn advance.} Nxb3 25. axb3 Bd5 26. Re7 a5 27. c4 Rf7 28. Rxf7 Bxf7 29. Bc7 Rd7 30. Bxb6 d3 31. Bxa5 Ra7 32. Kf2 f4 33. Ke1 g5 34. Kd2 Bg6 35. b4 Kg7 36. b5 Kf7 37. b6 Ra8 38. b4 Ke7 39. Re1+ 1-0