| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. P Quillen vs G Croy |
 | 1-0 | 22 | 1946 | Los Angeles City Championship | D08 Queen's Gambit Declined, Albin Counter Gambit |
| 2. W Adams vs P Quillen |
| 1-0 | 23 | 1948 | Exhib Adams | C28 Vienna Game |
| 3. W Adams vs P Quillen |
| 0-1 | 37 | 1948 | Simul Adams +12 -04 =00 | C12 French, McCutcheon |
| 4. P Quillen vs H Fajans |
| ½-½ | 39 | 1951 | 52nd US Open | C63 Ruy Lopez, Schliemann Defense |
| 5. P Quillen vs N Whitaker |
| 0-1 | 30 | 1951 | 52nd US Open | C62 Ruy Lopez, Old Steinitz Defense |
| 6. L T Magee vs P Quillen |
| 1-0 | 34 | 1951 | 52nd US Open | B40 Sicilian |
| 7. P Quillen vs A Sandrin |
| 0-1 | 22 | 1951 | 52nd US Open | B30 Sicilian |
| 8. P Quillen vs S Baron |
| 0-1 | 42 | 1951 | 52nd US Open | C26 Vienna |
| 9. R Potter vs P Quillen |
| 1-0 | 37 | 1951 | 52nd US Open | A80 Dutch |
| 10. Januschkowsky vs P Quillen |
| 0-1 | 9 | 1960 | Folson | C26 Vienna |
| 11. P Quillen vs T Weinberger |
| 0-1 | 41 | 1961 | Santa Monica Open | B13 Caro-Kann, Exchange |
| 12. Lombardy vs P Quillen |
| 1-0 | 36 | 1963 | 64th US Open | C75 Ruy Lopez, Modern Steinitz Defense |
| 13. P Quillen vs D Strenzwilk |
| 1-0 | 50 | 1964 | 65th US Open | B25 Sicilian, Closed |
| 14. P Quillen vs Evans |
| 0-1 | 35 | 1965 | Las Vegas National open | B25 Sicilian, Closed |
| 15. P Quillen vs Benko |
| 1-0 | 41 | 1965 | Las Vegas National open | B25 Sicilian, Closed |
| 16. P Quillen vs T Weinberger |
| 0-1 | 31 | 1968 | Los Angeles County Open | A83 Dutch, Staunton Gambit |
| 17. P Quillen vs O Chism |
| 1-0 | 22 | 1968 | 69th US Open | C26 Vienna |
| 18. E Sweetman vs P Quillen |
| 1-0 | 60 | 1968 | 69th US Open | C43 Petrov, Modern Attack |
| 19. G R Forman vs P Quillen |
| 1-0 | 37 | 1968 | 69th US Open | B03 Alekhine's Defense |
| 20. E Olins vs P Quillen |
| 1-0 | 27 | 1968 | 69th US Open | A56 Benoni Defense |
| 21. T Weinberger vs P Quillen |
| 1-0 | 32 | 1971 | Santa Monica Masters Invitational | A06 Reti Opening |
| 22. L Binet Tapaszto vs P Quillen |
| 1-0 | 50 | 1971 | 72nd US Open | A00 Uncommon Opening |
| 23. P Quillen vs W Beattie |
| 1-0 | 25 | 1971 | 72nd US Open | C07 French, Tarrasch |
| 24. P Quillen vs Lombardy |
| 0-1 | 55 | 1971 | 72nd US Open | B25 Sicilian, Closed |
| 25. P Quillen vs R Robinson |
| 1-0 | 21 | 1971 | 72nd US Open | B23 Sicilian, Closed |
Kibitzing
