| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. Barsov vs Y Zimmerman |
| ½-½ | 15 | 1991 | Russian Winter op | E90 King's Indian |
| 2. V Malaniuk vs Y Zimmerman |
| 1-0 | 39 | 1992 | Katowice Open | A48 King's Indian |
| 3. J S Walton vs Y Zimmerman |
| 0-1 | 26 | 1992 | Balatonbereny Open | E84 King's Indian, Samisch, Panno Main line |
| 4. P Tregubov vs Y Zimmerman |
| ½-½ | 43 | 1992 | Balatonbereny Open | E60 King's Indian Defense |
| 5. Y Zimmerman vs L Milov |
| ½-½ | 30 | 1992 | Balatonbereny Open | A57 Benko Gambit |
| 6. Leko vs Y Zimmerman |
| ½-½ | 43 | 1992 | Balatonbereny Open | B07 Pirc |
| 7. F Green vs Y Zimmerman |
| 0-1 | 42 | 1992 | Balatonbereny Open | A41 Queen's Pawn Game (with ...d6) |
| 8. Y Zimmerman vs V Burmakin |
| ½-½ | 110 | 1992 | Balatonbereny Open | D11 Queen's Gambit Declined Slav |
| 9. Y Zimmerman vs E Vegh |
| ½-½ | 36 | 1992 | Balatonbereny Open | A81 Dutch |
| 10. Y Zimmerman vs I Madl |
| ½-½ | 26 | 1992 | Balatonbereny Open | A56 Benoni Defense |
| 11. Z Gyimesi vs Y Zimmerman |
| ½-½ | 8 | 1992 | Balatonbereny Open | A00 Uncommon Opening |
| 12. V Shishkin vs Y Zimmerman |
| 0-1 | 60 | 1993 | Katowice Fibak Open | E75 King's Indian, Averbakh, Main line |
| 13. J Rigan vs Y Zimmerman |
| ½-½ | 50 | 1993 | Budapest Spring Open | E63 King's Indian, Fianchetto, Panno Variation |
| 14. Y Zimmerman vs J Meister |
| ½-½ | 58 | 1993 | Katowice Fibak Open | D02 Queen's Pawn Game |
| 15. K Rovid vs Y Zimmerman |
| 1-0 | 30 | 1993 | Budapest Spring Open | B07 Pirc |
| 16. Y Zimmerman vs T Papagorasz |
| ½-½ | 48 | 1993 | Budapest Spring Open | E12 Queen's Indian |
| 17. Y Zimmerman vs W Von Alvensleben |
| ½-½ | 42 | 1993 | Budapest Spring Open | E94 King's Indian, Orthodox |
| 18. Y Zimmerman vs A Kulagin |
| 1-0 | 40 | 1993 | Katowice Fibak Open | E98 King's Indian, Orthodox, Taimanov, 9.Ne1 |
| 19. Z Wielecki vs Y Zimmerman |
| 0-1 | 35 | 1993 | Katowice Fibak Open | B07 Pirc |
| 20. Korneev vs Y Zimmerman |
| ½-½ | 72 | 1993 | Katowice Fibak Open | B09 Pirc, Austrian Attack |
| 21. C Pilarska vs Y Zimmerman |
| ½-½ | 60 | 1993 | Katowice Fibak Open | B08 Pirc, Classical |
| 22. L Voloshin vs Y Zimmerman |
| ½-½ | 42 | 1993 | Bratislava op | E71 King's Indian, Makagonov System (5.h3) |
| 23. Y Zimmerman vs M Stypka |
| ½-½ | 90 | 1993 | Katowice Fibak Open | E99 King's Indian, Orthodox, Taimanov |
| 24. T Gelashvili vs Y Zimmerman |
| ½-½ | 53 | 1993 | Bratislava op | A26 English |
| 25. L Monda vs Y Zimmerman |
| 0-1 | 43 | 1993 | Budapest Spring Open | D03 Torre Attack (Tartakower Variation) |
Kibitzing
