| Jul 12, 2026 | Hess | ½–½ | Richter | Round 7: Hess, Juergen - Richter, Rainer | Sicilian Defense | |
| Jul 11, 2026 | Zerfass | 0–1 | Hess | Round 6: Zerfass, Otfried - Hess, Juergen | Bishop's Opening: Vienna Hybrid | |
| Jul 10, 2026 | Hess | 0–1 | Krueger | Round 5: Hess, Juergen - Krueger, Wolfgang | Caro-Kann Defense | |
| Jul 9, 2026 | Kolthoff | ½–½ | Hess | Round 4: Kolthoff, Siegmund - Hess, Juergen | Catalan Opening: Open Defense, Classical Line | |
| Jul 7, 2026 | Koehler | ½–½ | Hess | Round 2: Koehler, Gerhard, Dr. - Hess, Juergen | English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with Nb6 | |
| Dec 30, 2025 | Hess | ½–½ | Recknagel | Round 7: Hess, Juergen - Recknagel, Armin | Caro-Kann Defense: Tartakower Variation | |
| Dec 30, 2025 | Petersohn | ½–½ | Hess | Round 6: Petersohn, Sadko - Hess, Juergen | Queen's Pawn Game: Symmetrical Variation | |
| Dec 29, 2025 | Hess | 1–0 | Simon | Round 5: Hess, Juergen - Simon, Manuel | Ruy Lopez: Closed, Breyer Defense, Quiet Variation | |
| Dec 29, 2025 | Schubert | 0–1 | Hess | Round 4: Schubert, Wilhelm Richard - Hess, Juergen | Scotch Game: Classical Variation | |
| Dec 28, 2025 | Hess | 0–1 | Herrmann | Round 3: Hess, Juergen - Herrmann, Gerhard | Scandinavian Defense: Modern Variation | |
| Dec 28, 2025 | Hoelscher | 0–1 | Hess | Round 2: Hoelscher, Matthias - Hess, Juergen | Italian Game: Giuoco Pianissimo, Italian Four Knights Variation | |
| Dec 27, 2025 | Hess | 0–1 | Aepfler | Round 1: Hess, Juergen - Aepfler, Christian | Pirc Defense | |
| Oct 16, 2025 | Hess | 0–1 | Woestmann | Runde 7: Hess, Juergen - Woestmann, Hans-Joachim | French Defense: Tarrasch Variation, Closed Variation | |
| Jul 12, 2025 | Hess | 0–1 | Jaekel | Round 6: Hess, Juergen - Jaekel, Michael | Scandinavian Defense: Mieses-Kotroc Variation | |
| Jul 7, 2024 | Hess | 0–1 | Wolfgang Krueger | Round 7: Hess, Juergen - Wolfgang Krueger | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Jul 6, 2024 | Waagener | ½–½ | Hess | Round 6: Waagener, Ulrich - Hess, Juergen | Ponziani Opening: Ponziani Countergambit | |
| Jul 5, 2024 | Hess | 1–0 | Sauter | Round 5: Hess, Juergen - Sauter, Arthur | Ruy Lopez: Closed, Averbakh Variation | |
| Jul 4, 2024 | Heinz-Georg Roth | 0–1 | Hess | Round 4: Heinz-Georg Roth - Hess, Juergen | Four Knights Game: Scotch Variation, Belgrade Gambit | |
| Nov 11, 2022 | Thiel | 1–0 | Hess | 25th Open Bavarian Championship | ? | |
| Nov 10, 2022 | Hess | 0–1 | Smits | 25th Open Bavarian Championship | ? | |