| Oct 19, 2025 | Puechler | 0–1 | Jekel | Round 5: Puechler, Ruben - Jekel, Wolfgang | Scandinavian Defense: Gubinsky-Melts Defense | |
| Oct 19, 2025 | Lange | 1–0 | Puechler | Round 4: Lange, Fynn Jeremy - Puechler, Ruben | English Opening: King's English Variation | |
| Oct 18, 2025 | Danduprolu | 1–0 | Puechler | Round 2: Danduprolu, Ridhi Varma - Puechler, Ruben | Petrov's Defense: Kaufmann Attack | |
| Oct 17, 2025 | Puechler | 0–1 | Budai | Round 1: Puechler, Ruben - Budai, Federico | Sicilian Defense: Najdorf Variation | |
| Oct 12, 2025 | Puechler | 1–0 | Orsi | Round 9: Puechler, Ruben - Orsi, Graziano | Philidor Defense: Lion Variation | |
| Oct 11, 2025 | Buratti | 1–0 | Puechler | Round 8: Buratti, Marco - Puechler, Ruben | Vienna Game: Mieses Variation | |
| Oct 10, 2025 | Puechler | 1–0 | Circolari | Round 7: Puechler, Ruben - Circolari, Mattia | Sicilian Defense: Scheveningen Variation, English Attack, with f3 | |
| Oct 9, 2025 | Weber | ½–½ | Puechler | Round 6: Weber, Andreas - Puechler, Ruben | King's Indian Attack | |
| Oct 9, 2025 | Puechler | 1–0 | De Joannon | Round 5: Puechler, Ruben - De Joannon, Giulio | Scandinavian Defense: Richter Variation | |
| Oct 7, 2025 | Garlant | 1–0 | Puechler | Round 4: Garlant, Carlo - Puechler, Ruben | Zukertort Opening: Reversed Grünfeld | |
| Oct 6, 2025 | Puechler | 0–1 | Fuochi | Round 3: Puechler, Ruben - Fuochi, Tommaso | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | |
| Oct 5, 2025 | Pipitone | 0–1 | Puechler | Round 2: Pipitone, Antonio - Puechler, Ruben | Scotch Game: Potter Variation | |
| Oct 5, 2025 | Puechler | 0–1 | Sutter | Round 1: Puechler, Ruben - Sutter, Oliver | Sicilian Defense: Four Knights Variation, Cobra Variation | |
| Oct 20, 2024 | Puechler | ½–½ | Penzo | Round 5: Puechler, Ruben - Penzo, Amleto | Sicilian Defense: O'Kelly Variation, Venice System | |
| Oct 20, 2024 | Terletskyi | 0–1 | Puechler | Round 4: Terletskyi, Oleh Mykola - Puechler, Ruben | Scandinavian Defense | |
| Oct 19, 2024 | Puechler | 1–0 | Kipman | Round 3: Puechler, Ruben - Kipman, Felix | Caro-Kann Defense: Two Knights Attack | |
| Oct 18, 2024 | Puechler | 0–1 | Berti | Round 1: Puechler, Ruben - Berti, Rudolf | French Defense: Advance Variation, Euwe Variation | |
