[Event "CAN-ch U20 1983-84"]
[Site "St John"]
[Date "1984.01.08"]
[Round "11"]
[White "Bolduc, Steve"]
[Black "Didiodato, Robert"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "2111"]
[BlackElo "1923"]
[PlyCount "81"]
[EventDate "1983.12.27"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. g3 d6 4. Bg2 f6 5. Nc3 Nh6 6. Nf3 Na6 7. 0-0 0-0 8. a3 c5 9. Rb1 Bf5 10. e4 Bd7 11. b4 cxd4 12. Nxd4 Nc7 13. Bb2 Rb8 14. Rc1 f5 15. Re1 f4 16. Nd5 fxg3 17. hxg3 Ng4 18. Rc2 Ne8 19. Ne3 Nef6 20. f3 Nxe3 21. Rxe3 Bh6 22. Rd3 Qe8 23. Bc1 Bg7 24. Qe1 Rc8 25. Be3 e5 26. Ne2 d5 27. Rxd5 Nxd5 28. exd5 Bf5 29. Rc1 Bd3 30. c5 e4 31. Nf4 exf3 32. Bxf3 Be4 33. Bg4 Bf5 34. Bf3 Be4 35. Bg4 Bf5 36. Bf3 Bb2 37. d6 Bxc1 38. Bd5+ Rf7 39. Qxc1 Be4 40. Be6 Bf5 41. d7 1-0

[Event "CAN-ch U20 1983-84"]
[Site "St John"]
[Date "1983.12.30"]
[Round "4"]
[White "Huda, Rehan"]
[Black "Didiodato, Robert"]
[Result "0-1"]
[ECO "E91"]
[WhiteElo "1896"]
[BlackElo "1923"]
[PlyCount "82"]
[EventDate "1983.12.27"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. Be3 Bg4 8. 0-0 Nfd7 9. h3 Bxf3 10. Bxf3 Nc6 11. d5 Nd4 12. Bxd4 exd4 13. Nb5 Ne5 14. Be2 c5 15. f4 d3 16. Bxd3 Nxd3 17. Qxd3 Bxb2 18. Rae1 a6 19. Na3 Qa5 20. Nc2 Rfe8 21. f5 b5 22. Qf3 Ra7 23. f6 Qc3 24. Ne3 Qe5 25. Ng4 Qg5 26. Ne3 Bd4 27. Kh1 h5 28. g3 Rb7 29. cxb5 axb5 30. Nc2 Be5 31. Re3 b4 32. a3 bxa3 33. Nxa3 Rb4 34. Nc2 Rb2 35. Ne1 Bd4 36. Rb3 Rxb3 37. Qxb3 Qe5 38. Nf3 Qxe4 39. Re1 Be3 40. Kg2 c4 41. Qc3 g5 0-1

[Event "Quebec op"]
[Site "Montreal"]
[Date "1982.08.08"]
[Round "8"]
[White "Robichaud, Louis"]
[Black "Didiodato, Robert"]
[Result "1/2-1/2"]
[ECO "B09"]
[WhiteElo "1963"]
[BlackElo "2018"]
[PlyCount "118"]
[EventDate "1982.08.01"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Be2 c5 7. d5 Na6 8. 0-0 Nc7 9. a4 b6 10. Qd3 a6 11. Nd2 Rb8 12. b3 e6 13. Bb2 exd5 14. Nxd5 Ncxd5 15. exd5 Re8 16. Bf3 b5 17. Rfe1 Bf5 18. Qf1 Qd7 19. axb5 axb5 20. Rxe8+ Qxe8 21. Re1 Qd7 22. Bd1 Nxd5 23. Bxg7 Kxg7 24. Ne4 Re8 25. Nxd6 Rxe1 26. Nxf5+ Qxf5 27. Qxe1 Qxf4 28. Bf3 Qd4+ 29. Kh1 Nc3 30. h3 b4 31. Qe7 Nb5 32. Be2 Qd6 33. Qb7 Nd4 34. Bc4 Qf4 35. Qd5 Qc7 36. Bd3 h5 37. Kg1 Qe7 38. Kh2 Qc7+ 39. Kg1 Qe7 40. Kh2 Qe3 41. Kh1 Ne6 42. Qd7 Qd4 43. Qe7 Qa1+ 44. Kh2 Qe5+ 45. Kh1 Qg5 46. Qb7 h4 47. Bc4 Qc1+ 48. Kh2 Qf4+ 49. Kh1 Nd4 50. Qe7 Nxc2 51. Qxc5 Ne3 52. Qxb4 Nf5 53. Qc3+ Kh7 54. Qf3 Qc1+ 55. Kh2 Qe1 56. Qd5 Qg3+ 57. Kh1 Qe1+ 58. Kh2 Qg3+ 59. Kh1 Qe1+ 1/2-1/2

[Event "CAN-ch U20"]
[Site "Vancouver"]
[Date "1981.12.23"]
[Round "3"]
[White "Didiodato, Robert"]
[Black "Bolduc, Steve"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "1954"]
[BlackElo "2056"]
[PlyCount "97"]
[EventDate "1981.12.21"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Bc4 Qe7+ 7. Qe2 Be6 8. Bxe6 Qxe6 9. Bd2 Na6 10. 0-0-0 0-0-0 11. Qxe6+ fxe6 12. Nf3 Bd6 13. Rhe1 Rhe8 14. c4 Nb4 15. Bxb4 Bxb4 16. Re2 Rd7 17. a3 Ba5 18. b4 Bb6 19. Kc2 Kd8 20. c5 Bc7 21. Rde1 Rde7 22. g3 e5 23. dxe5 fxe5 24. Ng5 h6 25. Ne4 Rf8 26. Rd2+ Ke8 27. Re3 Rf5 28. Red3 Ref7 29. Kc3 Rf3 30. Rxf3 Rxf3+ 31. Rd3 Rxd3+ 32. Kxd3 Kd7 33. Nd2 Ke6 34. Ke4 b5 35. Nf3 g5 36. h3 a6 37. Nh2 h5 38. Nf3 Kf6 39. Ne1 g4 40. hxg4 hxg4 41. Ng2 Kg6 42. Ne3 Kg5 43. Nf5 Bd8 44. Kxe5 Bf6+ 45. Ke6 Bb2 46. Ne7 Bd4 47. Nxc6 Bxf2 48. Ne5 Bxg3 49. c6 1-0

[Event "Canadian op"]
[Site "Ottawa"]
[Date "1980.07.27"]
[Round "10"]
[White "Didiodato, Robert"]
[Black "Brodie, Hugh"]
[Result "1/2-1/2"]
[ECO "B35"]
[WhiteElo "1620"]
[BlackElo "1850"]
[PlyCount "55"]
[EventDate "1980.07.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. f3 Qa5 8. Bc4 Qb4 9. Nxc6 bxc6 10. Bb3 0-0 11. 0-0 d6 12. Ne2 Ba6 13. c3 Qb5 14. Rf2 c5 15. Nf4 Rad8 16. Rd2 Qb6 17. Nd5 Nxd5 18. exd5 Rfe8 19. Ba4 Bb5 20. Bxb5 Qxb5 21. Qf1 Qb7 22. Rad1 Rb8 23. Qc4 Qd7 24. Qe4 Rb7 25. Re2 Reb8 26. Bc1 a5 27. Rde1 Bf6 28. a3 1/2-1/2

