[Event "CAN-ch U20 1972-73"]
[Site "London"]
[Date "1972.12.31"]
[Round "9"]
[White "Ball, Stephen"]
[Black "Jenkins, Ron"]
[Result "0-1"]
[ECO "E81"]
[PlyCount "72"]
[EventDate "1972.12.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Bd3 0-0 6. Nge2 Nbd7 7. f3 c5 8. d5 Ne5 9. Be3 Nfd7 10. b3 b5 11. cxb5 a6 12. 0-0 Nxd3 13. Qxd3 axb5 14. Rac1 b4 15. Na4 Nb6 16. Nxb6 Qxb6 17. Rc2 Ba6 18. Qd2 Bb5 19. Bh6 Bxe2 20. Bxg7 Kxg7 21. Qxe2 c4+ 22. Kh1 c3 23. Rd1 Ra3 24. e5 Rfa8 25. h4 Qa6 26. Qe4 Rxa2 27. exd6 Qxd6 28. Rxa2 Rxa2 29. f4 Qf6 30. f5 Rd2 31. Rc1 Rd4 32. Qe3 Rxh4+ 33. Kg1 Qd4 34. f6+ exf6 35. Re1 Qxe3+ 36. Rxe3 Rd4 0-1

[Event "CAN-ch U20 1972-73"]
[Site "London"]
[Date "1972.12.30"]
[Round "8"]
[White "Jenkins, Ron"]
[Black "Berry, Jonathan"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "74"]
[EventDate "1972.12.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. e5 Nc6 4. Bb5 Bd7 5. exd6 e6 6. 0-0 Bxd6 7. Re1 Nf6 8. a4 0-0 9. Na3 Nd4 10. Bxd7 Qxd7 11. Nc4 Qc6 12. Nxd4 cxd4 13. d3 Rac8 14. Bg5 Be7 15. Bxf6 Bxf6 16. Qg4 b6 17. h4 a6 18. Rac1 Rfd8 19. Re4 b5 20. axb5 axb5 21. Nd2 Qd5 22. Nf1 Qa2 23. Ng3 Qxb2 24. Rce1 Rxc2 25. Nh5 Rxf2 26. Rf4 Rxf4 27. Qxf4 Qb4 28. Rc1 Be7 29. Rf1 Kh8 30. Qxf7 Rg8 31. Qxe6 Bxh4 32. Nxg7 Qd2 33. g3 Bxg3 34. Qh3 Bf4 35. Kh1 Rxg7 36. Rf2 Qd1+ 37. Rf1 Qg4 0-1

[Event "CAN-ch U20 1972-73"]
[Site "London"]
[Date "1972.12.27"]
[Round "2"]
[White "Jenkins, Ron"]
[Black "Harper, Bruce"]
[Result "0-1"]
[ECO "D35"]
[PlyCount "80"]
[EventDate "1972.12.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. cxd5 exd5 5. Nf3 Bd6 6. d4 0-0 7. Nc3 c6 8. 0-0 Re8 9. h3 h6 10. Qc2 Nbd7 11. e3 Nf8 12. a3 Ne4 13. Nxe4 dxe4 14. Nd2 f5 15. Nc4 Bc7 16. b4 Ng6 17. f4 Be6 18. Ne5 Nxe5 19. fxe5 Qg5 20. Kh2 Rac8 21. Rg1 Qh5 22. Bf1 Qf7 23. Bd2 Kh8 24. Rc1 Bd5 25. Be2 g6 26. Rg2 Qe6 27. Rf1 Rg8 28. Be1 Bb6 29. g4 Rcf8 30. Bh4 f4 31. Rxf4 Rxf4 32. exf4 Bxd4 33. Qd2 Bb6 34. Bf6+ Kh7 35. f5 gxf5 36. g5 e3 37. Qd3 Bxg2 38. Kxg2 Qd5+ 39. Kg3 Qxd3 40. Bxd3 hxg5 0-1

