| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. J MacPhail vs L Day |
| 0-1 | 48 |
1970 |
Open | D10 Queen's Gambit Declined Slav |
| 2. J MacPhail vs Spassky |
| 0-1 | 47 |
1971 |
9th Canadian Open | B80 Sicilian, Scheveningen |
| 3. J MacPhail vs L Day |
| 0-1 | 34 |
1971 |
Ottawa Open | B77 Sicilian, Dragon, Yugoslav Attack |
| 4. A Zeidaks vs J MacPhail |
| 0-1 | 46 |
1971 |
9th Canadian Open | B50 Sicilian |
| 5. J MacPhail vs K Spraggett |
| 1-0 | 41 |
1972 |
Ch. junior, London | B92 Sicilian, Najdorf, Opocensky Variation |
| 6. J MacPhail vs L Day |
| 0-1 | 45 |
1972 |
4, Toronto CAN ch | A75 Benoni, Classical with ...a6 and 10...Bg4 |
| 7. J MacPhail vs B Kernan |
| 1-0 | 24 |
1973 |
W-ch J U20 | A23 English, Bremen System, Keres Variation |
| 8. J MacPhail vs Day |
| 0-1 | 32 |
1973 |
Labour Day Open | B43 Sicilian, Kan, 5.Nc3 |
| 9. J MacPhail vs L Day |
| 0-1 | 36 |
1975 |
Labour Day Open | B33 Sicilian |
| 10. D Feoktistov vs J MacPhail |
| ½-½ | 38 |
2004 |
77th Canadian Championship | B22 Sicilian, Alapin |
| 11. J MacPhail vs R Patterson |
| 1-0 | 72 |
2004 |
77th Canadian Championship | C68 Ruy Lopez, Exchange |
| 12. J MacPhail vs P Charbonneau |
| 0-1 | 26 |
2004 |
77th Canadian Championship | B27 Sicilian |
| 13. A Meng vs J MacPhail |
| 0-1 | 60 |
2004 |
77th Canadian Championship | B21 Sicilian, 2.f4 and 2.d4 |
| 14. D Tyomkin vs J MacPhail |
| ½-½ | 50 |
2004 |
77th Canadian Championship | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 15. J MacPhail vs S Thavandiran |
 | 0-1 | 27 |
2004 |
77th Canadian Championship | C18 French, Winawer |
| 16. J MacPhail vs R Jiganchine |
| 1-0 | 64 |
2004 |
77th Canadian Championship | C82 Ruy Lopez, Open |
| 17. J MacPhail vs Igor Ivanov |
 | 0-1 | 57 |
2004 |
77th Canadian Championship | B80 Sicilian, Scheveningen |
| 18. M Cazelais vs J MacPhail |
| 0-1 | 55 |
2004 |
77th Canadian Championship | B22 Sicilian, Alapin |