| Mar 22, 2026 | Horobetz | 1–0 | Eckert | Round 9: Horobetz, Graham - Eckert, Doug | Ruy Lopez: Morphy Defense, Norwegian Variation | |
| Mar 22, 2026 | Eckert | ½–½ | Jasinski | Round 8: Eckert, Doug - Jasinski, Alexander | King's Indian Defense: Orthodox Variation | |
| Mar 21, 2026 | Pyrih | 1–0 | Eckert | Round 7: Pyrih, Roman - Eckert, Doug | Sicilian Defense: French Variation, Westerinen Attack | |
| Mar 21, 2026 | Eckert | 0–1 | Lee | Round 6: Eckert, Doug - Lee, Megan | English Opening: Agincourt Defense, Catalan Defense Accepted | |
| Mar 20, 2026 | Eckert | 0–1 | Juksta | Round 5: Eckert, Doug - Juksta, Karolis | English Opening | |
| Mar 20, 2026 | De Silva | 1–0 | Eckert | Round 4: De Silva, L M S T - Eckert, Doug | Queen's Pawn Game: Colle System, Grünfeld Formation | |
| Mar 19, 2026 | Eckert | 0–1 | Kao | Round 3: Eckert, Doug - Kao, Jamison Edrich | English Opening: King's English Variation | |
| Mar 19, 2026 | Xu | ½–½ | Eckert | Round 2: Xu, Zhihan (samuel) - Eckert, Doug | Ruy Lopez: Morphy Defense | |
| Mar 18, 2026 | Eckert | 0–1 | Cherukuri | Round 1: Eckert, Doug - Cherukuri, Nitesh | English Opening: King's English Variation, Kramnik-Shirov Counterattack | |
| May 15, 2025 | Eckert | ½–½ | Girel | Round 9: Eckert, Doug - Girel, Joseph | English Opening: King's English Variation, Kramnik-Shirov Counterattack | |
| May 14, 2025 | Tonndorf | 0–1 | Eckert | Round 8: Tonndorf, Matthias - Eckert, Doug | Ruy Lopez: Morphy Defense | |
| May 13, 2025 | Eckert | ½–½ | Alvarez Morales | Round 7: Eckert, Doug - Alvarez Morales, Miguel | English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | |
| May 13, 2025 | Asensio Ramon | ½–½ | Eckert | Round 6: Asensio Ramon, Ismael - Eckert, Doug | Catalan Opening: Open Defense, Classical Line | |
| May 11, 2025 | Eckert | ½–½ | Anatol | Round 4: Eckert, Doug - Anatol, Luke Leon Robin | English Opening: Symmetrical Variation | |
| May 11, 2025 | Semprun Martinez | ½–½ | Eckert | Round 3: Semprun Martinez, Fernando - Eckert, Doug | Sicilian Defense: Godiva Variation | |
| May 10, 2025 | Eckert | 1–0 | Wheeler | Round 1: Eckert, Doug - Wheeler, Tim | King's Indian Defense: Orthodox Variation, Glek Defense | |
| Nov 27, 2024 | Eckert | ½–½ | Giemsa | World Senior Chess Championship 2024 | English Opening: Agincourt Defense, Bogoljubow Defense | |
| Nov 24, 2024 | Bischoff | 1–0 | Eckert | World Senior Chess Championship 2024 | Queen's Gambit Declined: Three Knights Variation | |
| Nov 21, 2024 | Eckert | 0–1 | Glek | World Senior Chess Championship 2024 | English Opening: King's English Variation, Kramnik-Shirov Counterattack | |
| Nov 20, 2024 | Maksimenko | 1–0 | Eckert | World Senior Chess Championship 2024 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Nov 19, 2024 | Lacasa Diaz | 0–1 | Eckert | World Senior Chess Championship 2024 | Zukertort Opening | |
| Nov 18, 2024 | Eckert | ½–½ | Paschall | World Senior Chess Championship 2024 | English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | |
| Mar 31, 2024 | Komarov | 1–0 | Eckert | Round 9: Komarov, Dimitri - Eckert, Doug | Queen's Gambit Declined: Westphalian Variation | |
| Mar 31, 2024 | Eckert | ½–½ | Horobetz | Round 8: Eckert, Doug - Horobetz, Graham | English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 | |
| Mar 30, 2024 | Melillo | ½–½ | Eckert | Round 7: Melillo, Lucius - Eckert, Doug | Queen's Pawn Game: London System | |
| Mar 30, 2024 | Eckert | ½–½ | Mendez Tovar | Round 6: Eckert, Doug - Mendez Tovar, Yessica Yissel | English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 | |
| Mar 29, 2024 | Wu | ½–½ | Eckert | Round 5: Wu, Sibo - Eckert, Doug | Queen's Pawn Game: Accelerated London System | |
| Mar 29, 2024 | Eckert | ½–½ | Fierro Baquero | Round 4: Eckert, Doug - Fierro Baquero, Martha L. | Modern Defense: Standard Line | |
| Mar 28, 2024 | Nguyen | 1–0 | Eckert | Round 3: Nguyen, James Le - Eckert, Doug | Ruy Lopez: Morphy Defense, Neo-Arkhangelsk Variation | |
| Mar 28, 2024 | Eckert | ½–½ | Posthuma | Round 2: Eckert, Doug - Posthuma, Joshua | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Mar 27, 2024 | Kunka | 1–0 | Eckert | Round 1: Kunka, Harshid - Eckert, Doug | Ruy Lopez: Morphy Defense, Neo-Arkhangelsk Variation | |
| Feb 25, 2024 | Caglar | ½–½ | Eckert | Round 9: Caglar, Sila - Eckert, Doug | Sicilian Defense: Scheveningen Variation, Classical Variation | |
| Feb 25, 2024 | Eckert | 1–0 | Ladan | Round 8: Eckert, Doug - Ladan, Nicholas | English Opening: Drill Variation | |
| Feb 24, 2024 | Nyzhnyk | 1–0 | Eckert | Round 7: Nyzhnyk, Illya - Eckert, Doug | Indian Defense | |
| Feb 24, 2024 | Eckert | 0–1 | Williams | Round 6: Eckert, Doug - Williams, Justus | English Opening: King's English Variation | |
| Feb 24, 2024 | Raja Harshit | ½–½ | Eckert | Round 5: Raja Harshit - Eckert, Doug | Ruy Lopez: Morphy Defense | |
| Feb 23, 2024 | Eckert | ½–½ | Kaplan | Round 4: Eckert, Doug - Kaplan, Avi Harrison | English Opening: Symmetrical Variation | |
| Feb 22, 2024 | Eckert | ½–½ | Ghazaryan | Round 3: Eckert, Doug - Ghazaryan, Raffi | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Feb 22, 2024 | Dhyana Patel | ½–½ | Eckert | Round 2: Dhyana Patel - Eckert, Doug | Italian Game: Giuoco Pianissimo, Normal | |
| Feb 21, 2024 | Eckert | ½–½ | Cervantes Landeiro | Round 1: Doug Eckert - Thalia Cervantes Landeiro | English Opening: King's English Variation | |
| Oct 13, 2024 | Eckert | 0–1 | Nyzhnyk | Round 1: Eckert, Doug - Nyzhnyk, Illya | English Opening: Anglo-Indian Defense, Queen's Knight Variation | |
| Oct 22, 2023 | Hald Falkesgaard | ½–½ | Eckert | 9 Rounds - Swiss | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Oct 16, 2023 | Eckert | 0–1 | Haubro | 9 Rounds - Swiss | English Opening: King's English Variation, Four Knights Variation, Fianchetto Line | |
| Oct 14, 2023 | Arizmendi Martinez | 1–0 | Eckert | 9 Rounds - Swiss | Queen's Gambit Declined: Three Knights Variation | |
| Jan 29, 2023 | Eckert | 0–1 | Proleiko | St. Louis IM Schiller Norm | Nimzo-Indian Defense: Classical Variation | |
| Jan 29, 2023 | Tsolakidou | 1–0 | Eckert | St. Louis IM Schiller Norm | Sicilian Defense: Scheveningen Variation, Keres Attack | |
| Jan 28, 2023 | Eckert | 0–1 | Espinosa | St. Louis IM Schiller Norm | Slav Defense: Modern Line | |
| Jan 28, 2023 | Perrine | * | Eckert | St. Louis IM Schiller Norm | Sicilian Defense: Moscow Variation, Main Line | |
| Jan 27, 2023 | Eckert | 0–1 | Petenyi | St. Louis IM Schiller Norm | King's Indian Defense: Makogonov Variation | |
| Jan 27, 2023 | Lee | * | Eckert | St. Louis IM Schiller Norm | Indian Defense: Anti-Nimzo-Indian | |
| Jan 26, 2023 | Eckert | ½–½ | Yanayt | St. Louis IM Schiller Norm | King's Indian Defense: Semi-Averbakh System | |
| Jan 26, 2023 | Chiku-Ratte | 1–0 | Eckert | St. Louis IM Schiller Norm | Queen's Pawn Game: Symmetrical Variation | |
| Jan 25, 2023 | Eckert | 0–1 | Bacus | St. Louis IM Schiller Norm | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Sep 25, 2022 | Eckert | 0–1 | Krishnan | IM Round 8: Eckert, Doug - Krishnan, Varun | Semi-Slav Defense: Accelerated Move Order | |
| Sep 25, 2022 | Cervantes | 1–0 | Eckert | IM Round 9: Cervantes, Thalia - Eckert, Doug | Slav Defense: Quiet Variation, Pin Defense | |
| Sep 24, 2022 | Eckert | ½–½ | Denby | IM Round 7: Eckert, Doug - Denby, Caleb | Nimzo-Indian Defense: Classical Variation | |
| Sep 24, 2022 | Antova | ½–½ | Eckert | IM Round 6: Antova, Gabriela - Eckert, Doug | Slav Defense: Quiet Variation, Pin Defense | |
| Sep 23, 2022 | Eckert | 0–1 | Marek | IM Round 5: Eckert, Doug - Marek, Matyas | Benko Gambit Accepted: Fully Accepted Variation | |
| Sep 23, 2022 | Chen | 1–0 | Eckert | IM Round 4: Chen, Ryo - Eckert, Doug | Ruy Lopez: Morphy Defense | |
| Sep 22, 2022 | Eckert | 0–1 | Wang | IM Round 3: Eckert, Doug - Wang, Tianqi | Slav Defense: Modern Line | |
| Sep 22, 2022 | Yim | 1–0 | Eckert | IM Round 2: Yim, Sung Ho - Eckert, Doug | Slav Defense: Quiet Variation, Pin Defense | |
| Sep 21, 2022 | Eckert | 0–1 | Tsolakidou | IM Round 1: Eckert, Doug - Tsolakidou, Stavroula | English Opening: King's English Variation, Four Knights Variation, Fianchetto Line | |
| Aug 3, 2021 | Khmelnitsky | 1–0 | Eckert | 4th Annual John T. Irwin National | Ruy Lopez: Exchange Variation, Normal Variation | |
| Aug 2, 2021 | Eckert | 1–0 | Alvarez Ferreiro | 4th Annual John T. Irwin National | Benoni Defense: Knight's Tour Variation | |
| Aug 2, 2021 | Enkhbat | 0–1 | Eckert | 4th Annual John T. Irwin National | Catalan Opening: Open Defense | |
| Aug 1, 2021 | Eckert | 1–0 | Finegold | 4th Annual John T. Irwin National | Benoni Defense: Czech Benoni Defense | |
