| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. M Giles vs C Lawton |
| ½-½ | 33 | 1982 | Midwest Masters | B07 Pirc |
| 2. D Rubin vs M Giles |
| ½-½ | 34 | 1982 | Midwest Masters | B91 Sicilian, Najdorf, Zagreb (Fianchetto) Variation |
| 3. M Giles vs L Kaushansky |
| 0-1 | 50 | 1982 | Midwest Masters | B33 Sicilian |
| 4. E Karklins vs M Giles |
| 0-1 | 25 | 1982 | Midwest Masters | B95 Sicilian, Najdorf, 6...e6 |
| 5. M Giles vs G Gratz |
| 1-0 | 34 | 1982 | Midwest Masters | B87 Sicilian, Fischer-Sozin with ...a6 and ...b5 |
| 6. H E Myers vs M Giles |
| 0-1 | 27 | 1984 | Midwest Masters | A00 Uncommon Opening |
| 7. M Giles vs P Bereolos |
| 1-0 | 31 | 1984 | Midwest Masters | C30 King's Gambit Declined |
| 8. M Giles vs P M Kuroda |
 | 0-1 | 23 | 1984 | Midwest Masters | B32 Sicilian |
| 9. D Eckert vs M Giles |
| 0-1 | 26 | 1984 | Midwest Masters | E97 King's Indian |
| 10. M Giles vs P Pelts |
| 0-1 | 51 | 1984 | Midwest Masters | B82 Sicilian, Scheveningen |
| 11. M Giles vs M Dandridge |
| 0-1 | 26 | 1984 | North Central Open | B17 Caro-Kann, Steinitz Variation |
| 12. M Giles vs M Dandridge |
| 0-1 | 51 | 1984 | Put The Fun Back Into Chess | B32 Sicilian |
| 13. E Schiller vs M Giles |
| 0-1 | 31 | 1985 | Midwest Masters | E77 King's Indian |
| 14. R Gruchacz vs M Giles |
| 1-0 | 38 | 1985 | Midwest Masters | B20 Sicilian |
| 15. M Giles vs E J Allen |
| ½-½ | 48 | 1985 | Midwest Masters | B99 Sicilian, Najdorf, 7...Be7 Main line |
| 16. M Giles vs A Lief |
| ½-½ | 42 | 1985 | Midwest Masters | C38 King's Gambit Accepted |
| 17. L Van Meter vs M Giles |
| 0-1 | 55 | 1985 | Midwest Masters | E98 King's Indian, Orthodox, Taimanov, 9.Ne1 |
| 18. E Martinovsky vs M Giles |
| 0-1 | 33 | 1986 | Illinois | A49 King's Indian, Fianchetto without c4 |
| 19. A C Chow vs M Giles |
| 1-0 | 35 | 1986 | Illinois Open | E84 King's Indian, Samisch, Panno Main line |
| 20. A Karklins vs M Giles |
| 1-0 | 28 | 1986 | ? | B80 Sicilian, Scheveningen |
| 21. M Giles vs J Mills |
| 1-0 | 37 | 1986 | Midwest Masters | B16 Caro-Kann, Bronstein-Larsen Variation |
| 22. D Mote vs M Giles |
| 0-1 | 32 | 1986 | Midwest Masters | B84 Sicilian, Scheveningen |
| 23. E Formanek vs M Giles |
| 0-1 | 34 | 1986 | Midwest Masters | B81 Sicilian, Scheveningen, Keres Attack |
| 24. M Giles vs Kudrin |
| ½-½ | 41 | 1986 | Midwest Masters | B46 Sicilian, Taimanov Variation |
| 25. M Giles vs A Lein |
| 0-1 | 56 | 1986 | Midwest Masters | B15 Caro-Kann |
Kibitzing
