| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. B Kristensen vs U Jahr |
| 1-0 | 44 |
1981 |
Politiken Cup | A85 Dutch, with c4 & Nc3 |
| 2. U Jahr vs K Bischoff |
| 0-1 | 45 |
1981 |
BL 8182 Bayern-Markth'feld | B04 Alekhine's Defense, Modern |
| 3. J Pokojowczyk vs U Jahr |
| 1-0 | 34 |
1981 |
Politiken Cup | C08 French, Tarrasch, Open, 4.ed ed |
| 4. G Treppner vs U Jahr |
| 1-0 | 36 |
1981 |
BL 8182 Markth'feld-Bamberg | A88 Dutch, Leningrad, Main Variation with c6 |
| 5. L Spassov vs U Jahr |
| 1-0 | 53 |
1981 |
Politiken Cup | A88 Dutch, Leningrad, Main Variation with c6 |
| 6. W Strobel vs U Jahr |
| 1-0 | 44 |
1981 |
BL 8182 Erlangen-Markth'feld | C08 French, Tarrasch, Open, 4.ed ed |
| 7. L Kovacs vs U Jahr |
| 1-0 | 38 |
1981 |
Politiken Cup | C07 French, Tarrasch |
| 8. U Jahr vs M Schlaugat |
 | 0-1 | 43 |
1982 |
BL 8182 D,sseldorf-Markth'feld | B12 Caro-Kann Defense |
| 9. T Raupp vs U Jahr |
| 1-0 | 42 |
1982 |
BL 8182 Markth'feld-Zahringen | A86 Dutch |
| 10. U Jahr vs H Poethig |
| 0-1 | 24 |
1982 |
BL 8182 Sindelfingen-Markth'feld | B00 Uncommon King's Pawn Opening |
| 11. T Hickl vs U Jahr |
| 1-0 | 35 |
1982 |
BL 8182 Delmenhorst-Markth'feld | A04 Reti Opening |
| 12. U Jahr vs Geller |
| 0-1 | 40 |
1992 |
Worishofen | C44 King's Pawn Game |
