| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. G L Langan vs A Hood |
| ½-½ | 27 | 1985 | 13th World Open | A55 Old Indian, Main line |
| 2. G Scott vs G L Langan |
| 0-1 | 30 | 1986 | Midwest Masters | D04 Queen's Pawn Game |
| 3. G L Langan vs J Tomas |
| 0-1 | 41 | 1986 | Midwest Masters | E91 King's Indian |
| 4. S Zingheim vs G L Langan |
| 1-0 | 48 | 1986 | Midwest Masters | B08 Pirc, Classical |
| 5. B Colias vs G L Langan |
| 1-0 | 34 | 1986 | Midwest Masters | B08 Pirc, Classical |
| 6. G L Langan vs N Alexandria |
| 0-1 | 47 | 1986 | Dubai Olympiad (Women) | E12 Queen's Indian |
| 7. D Gurevich vs G L Langan |
| 1-0 | 27 | 1987 | Midwest Masters op | A09 Reti Opening |
| 8. B Thipsay vs G L Langan |
| 0-1 | 37 | 1987 | 11th Lloyds Bank Masters Open | B13 Caro-Kann, Exchange |
| 9. S Lalic vs G L Langan |
| 1-0 | 24 | 1987 | 11th Lloyds Bank Masters Open | B17 Caro-Kann, Steinitz Variation |
| 10. E Neely vs G L Langan |
| 0-1 | 32 | 1987 | USA Championship (Women) | B10 Caro-Kann |
| 11. D Teasley vs G L Langan |
| 1-0 | 36 | 1987 | USA Championship (Women) | D02 Queen's Pawn Game |
| 12. G L Langan vs I Jezierska |
| 1-0 | 48 | 1987 | USA Championship (Women) | E99 King's Indian, Orthodox, Taimanov |
| 13. G L Langan vs M Kuhner |
| 0-1 | 40 | 1987 | USA Championship (Women) | A93 Dutch, Stonewall, Botvinnik Variation |
| 14. G L Langan vs S Burtman |
| 0-1 | 65 | 1987 | USA Championship (Women) | E17 Queen's Indian |
| 15. C Dodson vs G L Langan |
| 0-1 | 37 | 1987 | USA Championship (Women) | B14 Caro-Kann, Panov-Botvinnik Attack |
| 16. D Savereide vs G L Langan |
| 1-0 | 31 | 1987 | USA Championship (Women) | B13 Caro-Kann, Exchange |
| 17. R A Donnelly vs G L Langan |
| 1-0 | 38 | 1987 | USA Championship (Women) | D12 Queen's Gambit Declined Slav |
| 18. G L Langan vs A Karason |
| 0-1 | 53 | 1988 | Saint John Open I | E11 Bogo-Indian Defense |
| 19. J M Fong vs G L Langan |
| 1-0 | 45 | 1988 | Saint John Open I | B17 Caro-Kann, Steinitz Variation |
| 20. G L Langan vs J Hebert |
| 0-1 | 62 | 1988 | Saint John Open I | E10 Queen's Pawn Game |
| 21. G L Langan vs R J Basque |
| 1-0 | 46 | 1988 | Saint John Open I | A62 Benoni, Fianchetto Variation |
| 22. P Boutquin vs G L Langan |
| 1-0 | 32 | 1988 | Saint John Open I | A06 Reti Opening |
| 23. G L Langan vs J Minaya |
| 0-1 | 29 | 1988 | Saint John Open I | E94 King's Indian, Orthodox |
| 24. R F Henao vs G L Langan |
| 1-0 | 29 | 1988 | Saint John Open I | B17 Caro-Kann, Steinitz Variation |
| 25. G L Langan vs M Dvoretzky |
| ½-½ | 41 | 1988 | Saint John Open II | E96 King's Indian, Orthodox, 7...Nbd7, Main line |
Kibitzing
