[Event "St Albans Congress Challengers U2050"] [Site "St Albans"] [Date "2026.04.12"] [Round "5"] [White "O'Brien, Thomas P"] [Black "Jaszkiwskj, Peter"] [Result "1-0"] [Annotator "Humayun,Mirza"] [ECO "D13"] [WhiteElo "1912"] [BlackElo "2012"] [PlyCount "85"] [EventDate "2026.04.11"] [EventType "swiss"] [EventRounds "5"] [SourceVersionDate "2024.02.13"] 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. cxd5 cxd5 5. Nf3 Nc6 6. Bf4 e6 7. e3 a6 8. Bd3 Bd6 9. Bg3 O-O 10. Rc1 Re8 11. Ne5 Qc7 12. f4 Nd7 13. Bxh7+ $1 Kf8 (13... Kxh7 $2 14. Qh5+ Kg8 15. Qxf7+ Kh7 16. Qxe8) 14. Bb1 Nf6 15. O-O g6 16. Bh4 Kg7 17. Bxf6+ Kxf6 18. Qg4 Rg8 19. Qg5+ Kg7 20. Ng4 Kf8 21. Qh6+ Rg7 22. Nf6 Ne7 23. Qh8+ Ng8 24. Nh7+ Rxh7 25. Qxh7 Qe7 26. Qh3 Bd7 27. Qf3 Bc6 28. g4 Qh4 29. Qg3 Qh7 30. Rf3 Qg7 31. g5 Ne7 32. Qh3 Ke8 33. Qh6 Qg8 34. Rh3 Kd7 35. Nd1 Bb5 36. Qh4 Be2 37. Nc3 Bh5 38. Na4 Ke8 39. Nb6 Rd8 40. Bc2 Kf8 41. a3 Kg7 42. Qe1 Qe8 43. Ba4 1-0