| — | Jencik | 0–1 | Delaney | exe:Slovakia Open | French Defense: Advance Variation, Milner-Barry Gambit | |
| Nov 2, 2025 | Delaney | 1–0 | Abel Sajan | Benidorm Chess Open A 2025 | Sicilian Defense: Dragon Variation, Fianchetto Variation | |
| Oct 28, 2025 | Delaney | 0–1 | Peng | Benidorm Chess Open A 2025 | Philidor Defense: Lion Variation | |
| Oct 28, 2025 | Favaloro | 1–0 | Delaney | Benidorm Chess Open A 2025 | Zukertort Opening: Dutch Variation | |
| Oct 27, 2025 | Delaney | ½–½ | Hernandez | Round 2: Delaney, John - Hernandez, Cristian Andres | Sicilian Defense: Najdorf Variation | |
| Oct 5, 2025 | Menac Comas | 1–0 | Delaney | European individual senior chess championship 2025 - Open 50+, Rabac, Croatia | Zukertort Opening: Kingside Fianchetto | |
| Oct 1, 2025 | Veleski | ½–½ | Delaney | European individual senior chess championship 2025 - Open 50+, Rabac, Croatia | Dutch Defense: Hopton Attack | |
| Sep 30, 2025 | Delaney | ½–½ | Cmiel | European individual senior chess championship 2025 - Open 50+, Rabac, Croatia | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Sep 29, 2025 | Fercec | 1–0 | Delaney | European individual senior chess championship 2025 - Open 50+, Rabac, Croatia | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | |
| Sep 28, 2025 | Delaney | 1–0 | Mrva | European individual senior chess championship 2025 - Open 50+, Rabac, Croatia | English Opening: Great Snake Variation | |
| Apr 21, 2025 | Delaney | 1–0 | Boyle | Round 7: Delaney, John - Boyle, Bernard | King's Indian Attack | |
| Apr 20, 2025 | Arkell | 1–0 | Delaney | Round 4: Arkell, Keith C - Delaney, John | King's Indian Defense: Fianchetto Variation, Classical Variation | |
| Apr 20, 2025 | Noone | ½–½ | Delaney | Round 6: Noone, Joe - Delaney, John | Sicilian Defense: Lasker-Pelikan Variation | |
| Apr 19, 2025 | Delaney | 1–0 | Loughran | Round 3: Delaney, John - Loughran, John | Queen's Pawn Game: Zukertort Variation | |
| Apr 19, 2025 | Donohoe | 0–1 | Delaney | Round 2: Donohoe, Eugene - Delaney, John | English Opening: King's English Variation, Kramnik-Shirov Counterattack | |
| Jul 11, 2024 | Delaney | ½–½ | Belakovskaia | wstcc2024o50 | Caro-Kann Defense: Tartakower Variation | |
| Jul 10, 2024 | Bouah | 1–0 | Delaney | wst50 | Dutch Defense: Rubinstein Variation | |
| Jul 9, 2024 | Delaney | 0–1 | Baginskaite | wst50 | Sicilian Defense: Najdorf Variation, Amsterdam Variation | |
| Jul 7, 2024 | Mertens | 1–0 | Delaney | wst50 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jul 6, 2024 | Delaney | 0–1 | Lima | wst50 | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | |
| Jul 5, 2024 | Csonkics | ½–½ | Delaney | wst50 | Zukertort Opening: Queen's Gambit Invitation | |
| Jul 3, 2024 | Homer | 0–1 | Delaney | wst50 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jul 2, 2024 | Delaney | 0–1 | Mrva | wstcc2024o50 | Sicilian Defense: Dragon Variation, Yugoslav Attack, Czerniak Variation | |
| Apr 1, 2024 | Liu | 0–1 | Delaney | Round 7: Liu, Jackie - Delaney, John | Dutch Defense: Raphael Variation | |
| Apr 1, 2024 | Delaney | 1–0 | Buckley | Round 6: Delaney, John - Buckley, Gerard | Sicilian Defense: Dragon Variation | |
| Mar 31, 2024 | Loughran | 0–1 | Delaney | Round 5: Loughran, John - Delaney, John | Benko Gambit Accepted: Fianchetto Variation | |
| Mar 31, 2024 | Delaney | 1–0 | Aherne | Round 4: Delaney, John - Aherne, John P. | Grünfeld Defense: Exchange Variation | |
| Mar 30, 2024 | Novak | 0–1 | Delaney | Round 3: Novak, Vjekoslav - Delaney, John | Bird Opening: Hobbs Gambit | |
| Mar 30, 2024 | Delaney | ½–½ | Armstrong | Round 2: Delaney, John - Armstrong, Fred | Philidor Defense: Lion Variation | |
| Mar 29, 2024 | Jensson | 0–1 | Delaney | Round 1: Jensson, Erlingur - Delaney, John | English Opening: Carls-Bremen System | |
| Nov 2, 2024 | Redzisz | 1–0 | Delaney | Ronda 8: Redzisz, Michal - Delaney, John | Sicilian Defense: Lasker-Pelikan Variation | |
| Oct 27, 2024 | Ynojosa Aponte | 1–0 | Delaney | Ronda 1: Ynojosa Aponte, Felix Jose - Delaney, John | French Defense: Advance Variation, Lputian Variation | |
| Sep 22, 2024 | Reichel | 0–1 | Delaney | exe:Slovakia Open 24 | Sicilian Defense: Lasker-Pelikan Variation | |
| Sep 21, 2024 | Delaney | 0–1 | Thompson | exe:Slovakia Open 24 | French Defense: Advance Variation, Wade Variation | |
| Sep 20, 2024 | Kulpa | 0–1 | Delaney | exe:Slovakia Open 24 | Dutch Defense: Stonewall Variation, Modern Variation | |
| Sep 19, 2024 | Delaney | 1–0 | Berikkyzy Alanna | exe:Slovakia Open 24 | Sicilian Defense: Dragon Variation | |
| Sep 18, 2024 | Seker | 0–1 | Delaney | exe:Slovakia Open 24 | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation | |
| Sep 17, 2024 | Delaney | 0–1 | Kapinaj | exe:Slovakia Open 24 | French Defense: King's Indian Attack | |
| Sep 16, 2024 | Suder | 1–0 | Delaney | exe:Slovakia Open 24 | Sicilian Defense: French Variation, Westerinen Attack | |
| Sep 15, 2024 | Delaney | 1–0 | Lipka | exe:Slovakia Open 24 | French Defense: Exchange Variation, Svenonius Variation | |
| May 1, 2023 | Delaney | 0–1 | Fernandez | 4NCL Division 1 2022-2023 | Sicilian Defense: Four Knights Variation, Cobra Variation | |
| Apr 30, 2023 | Delaney | 1–0 | Chan | 4NCL Division 1 2022-2023 | Sicilian Defense: Closed, Botvinnik Defense, with f4 | |
| Apr 29, 2023 | Jones | 1–0 | Delaney | 4NCL Division 1 2022-2023 | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation | |
