| Apr 19, 2026 | Jayaraj | 0–1 | Chapman | 4th Sussex University Weekend Congress - Blitz | Sicilian Defense: Old Sicilian | |
| Apr 19, 2026 | Eldridge | 1–0 | Chapman | 4th Sussex University Weekend Congress - Blitz | Dutch Defense | |
| Apr 19, 2026 | Wang | 0–1 | Chapman | 4th Sussex University Weekend Congress - Blitz | Saragossa Opening | |
| Apr 19, 2026 | Chapman | 0–1 | Honarvarmahalati | 4th Sussex University Weekend Congress - Blitz | Vienna Game: Mengarini Variation | |
| Apr 19, 2026 | Pack | ½–½ | Chapman | 4th Sussex University Weekend Congress - Blitz | Sicilian Defense: Mengarini Variation | |
| Apr 19, 2026 | Chapman | ½–½ | Idle | 4th Sussex University Weekend Congress - Blitz | Four Knights Game: Gunsberg Variation | |
| Apr 19, 2026 | Chapman | 1–0 | Blazys | 4th Sussex University Weekend Congress - Blitz | Four Knights Game | |
| Apr 19, 2026 | Cojocaru | 0–1 | Chapman | 4th Sussex University Weekend Congress - Blitz | Dutch Defense: Leningrad Variation, Matulovic Variation | |
| Apr 19, 2026 | Chapman | 0–1 | Brewer | 4th Sussex University Weekend Congress - Blitz | Caro-Kann Defense: Karpov Variation, Modern Variation | |
| Apr 19, 2026 | Yu | 1–0 | Chapman | 4th Sussex University Weekend Congress - Congress Under 2400 | English Opening: King's English Variation, Adhiban Gambit | |
| Apr 19, 2026 | Chapman | ½–½ | Freeman | 4th Sussex University Weekend Congress - Congress Under 2400 | French Defense: Exchange Variation | |
| Apr 18, 2026 | Bevis | ½–½ | Chapman | 4th Sussex University Weekend Congress - Congress Under 2400 | Nimzo-Indian Defense: St. Petersburg Variation, American Variation | |
| Apr 18, 2026 | Chapman | 1–0 | Raghul Adhitya PJ | 4th Sussex University Weekend Congress - Congress Under 2400 | Caro-Kann Defense: Maróczy Variation | |
| Apr 18, 2026 | Leech | 1–0 | Chapman | 4th Sussex University Weekend Congress - Congress Under 2400 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Mar 30, 2026 | Sheikh | ½–½ | Chapman | Milton Keynes FIDE Chess Congress 2026 | Sicilian Defense: Kalashnikov Variation | |
| Mar 30, 2026 | Murawski | 1–0 | Chapman | Milton Keynes FIDE Chess Congress 2026 | Queen's Gambit Declined: Ragozin Defense, Alekhine Variation | |
| Mar 29, 2026 | Chapman | 0–1 | Han | Milton Keynes FIDE Chess Congress 2026 | Philidor Defense: Lion Variation | |
| Mar 29, 2026 | Chapman | 1–0 | Hale | Milton Keynes FIDE Chess Congress 2026 | Sicilian Defense: Grand Prix Attack | |
| Mar 28, 2026 | Chapman | 1–0 | Nelson | Milton Keynes FIDE Chess Congress 2026 | Sicilian Defense: Najdorf Variation, Freak Attack | |
| Feb 22, 2026 | Chapman | 1–0 | Williams | Round 8: Chapman, Luke - Williams, Ana | Sicilian Defense: Closed | |
| Feb 22, 2026 | Freeman | ½–½ | Chapman | Round 9: Freeman, Luke - Chapman, Luke | French Defense: Exchange Variation | |
| Feb 21, 2026 | Chapman | * | Schoenbaechler | Round 1: Chapman, Luke - Schoenbaechler, Anselm | ? | |
| Feb 20, 2026 | Marusenko | 1–0 | Chapman | Round 7: Marusenko, Petr - Chapman, Luke | Sicilian Defense: Alapin Variation | |
| Feb 19, 2026 | Hylarides | ½–½ | Chapman | Round 6: Hylarides, Charlie Ronald - Chapman, Luke | Trompowsky Attack | |
| Feb 19, 2026 | Chapman | ½–½ | Bara | Round 5: Chapman, Luke - Bara, Jan | Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | |
| Feb 18, 2026 | Sefton | ½–½ | Chapman | Round 4: Sefton, Adam - Chapman, Luke | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Feb 17, 2026 | Chapman | ½–½ | Gorskovs | Round 3: Chapman, Luke - Gorskovs, Andrejs | Four Knights Game: Gunsberg Variation | |
| Feb 17, 2026 | Widjaja | 1–0 | Chapman | Round 2: Widjaja, Luke - Chapman, Luke | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Feb 1, 2026 | Chandrashekhar | ½–½ | Chapman | South of England U18 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Feb 1, 2026 | Chapman | 1–0 | Shalet | South of England U18 | Scotch Game: Potter Variation | |
| Feb 1, 2026 | Chapman | 1–0 | Pinna-Chapman | South of England U18 | Caro-Kann Defense: Maróczy Variation | |
| Jan 31, 2026 | Carter | 1–0 | Chapman | South of England U18 | Sicilian Defense: Alapin Variation | |
| Jan 31, 2026 | Chapman | 0–1 | Lee | South of England U18 | Sicilian Defense: Four Knights Variation, Exchange Variation | |
| Jan 31, 2026 | Ekram | 0–1 | Chapman | South of England U18 | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Jan 4, 2026 | Faulkner | 1–0 | Chapman | Round 5: Faulkner, Adam - Chapman, Luke | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jan 4, 2026 | Chapman | ½–½ | Pearson | Round 4: Chapman, Luke - Pearson, Charlie | Sicilian Defense: Closed | |
| Jan 3, 2026 | Evans-White | 1–0 | Chapman | Round 3: Evans-White, Daniel - Chapman, Luke | Catalan Opening: Open Defense | |
| Jan 3, 2026 | Chapman | 1–0 | Butt | Round 2: Chapman, Luke - Butt, Laurence | Sicilian Defense: Katalimov Variation | |
| Jan 2, 2026 | Saxena | ½–½ | Chapman | Round 1: Saxena, Advik - Chapman, Luke | Catalan Opening: Open Defense | |
| Jan 2, 2026 | Chapman | 0–1 | Bharat Kumar | Round 9: Chapman, Luke - Bharat Kumar, Balahari | Sicilian Defense: Najdorf Variation, Freak Attack | |
| Jan 1, 2026 | Sow | 1–0 | Chapman | Round 8: Sow, MiaoGeng Malcolm - Chapman, Luke | Sicilian Defense: Smith-Morra Gambit Accepted | |
| Jan 1, 2026 | Chapman | ½–½ | Oh | Round 7: Chapman, Luke - Oh, Sejun | Sicilian Defense: Accelerated Dragon, Maróczy Bind, Gurgenidze Variation | |
| Dec 31, 2025 | ONUOHA | ½–½ | Chapman | Round 6: ONUOHA, Obioma - Chapman, Luke | Sicilian Defense: Löwenthal Variation | |
| Dec 30, 2025 | Chapman | ½–½ | Vaidyanathan | Round 5: Chapman, Luke - Vaidyanathan, Sathya | Scotch Game: Mieses Variation | |
| Dec 30, 2025 | Pai | ½–½ | Chapman | Round 4: Pai, Sidhanth - Chapman, Luke | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Dec 29, 2025 | Chapman | ½–½ | Ruane | Round 3: Chapman, Luke - Ruane, Brendan J | Scotch Game: Malaniuk Variation | |
| Dec 29, 2025 | Saxena | 1–0 | Chapman | Round 2: Saxena, Reyansh - Chapman, Luke | Sicilian Defense: Kalashnikov Variation | |
| Dec 28, 2025 | Chapman | ½–½ | Gupta | Round 1: Chapman, Luke - Gupta, Aditya | Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | |
| Oct 26, 2025 | Chapman | 0–1 | Coucke | Amsterdam Chess Open 2025 | Caro-Kann Defense: Maróczy Variation | |
| Oct 25, 2025 | Chapman | 1–0 | Beltman | Amsterdam Chess Open 2025 | Caro-Kann Defense: Maróczy Variation | |
| Oct 25, 2025 | Tromp | ½–½ | Chapman | Amsterdam Chess Open 2025 | Queen's Gambit Declined: Ragozin Defense | |
| Oct 12, 2025 | Sengupta | 0–1 | Chapman | Round 9: Sengupta, Aditya Vikram - Chapman, Luke | Nimzo-Indian Defense | |
| Oct 12, 2025 | Chapman | ½–½ | De Silva | Round 8: Chapman, Luke - De Silva, Sithun | Caro-Kann Defense: Maróczy Variation | |
| Oct 12, 2025 | Sisupalan | 1–0 | Chapman | Round 7: Sisupalan, Beni - Chapman, Luke | Sicilian Defense: Kalashnikov Variation | |
| Oct 12, 2025 | Chapman | ½–½ | Salman | Round 6: Chapman, Luke - Salman, Haytham | French Defense: Rubinstein Variation, Blackburne Defense | |
| Oct 11, 2025 | Horwood | 0–1 | Chapman | Round 5: Horwood, Torrey - Chapman, Luke | Sicilian Defense: Mengarini Variation | |
| Oct 11, 2025 | Chapman | ½–½ | Lee | Round 4: Chapman, Luke - Lee, Yuk Hei | Scotch Game: Potter Variation | |
| Oct 11, 2025 | Ward | ½–½ | Chapman | Round 3: Ward, Cian - Chapman, Luke | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Oct 11, 2025 | Chapman | 1–0 | Johnson | Round 2: Chapman, Luke - Johnson, Felix | Sicilian Defense: Four Knights Variation | |
| Oct 11, 2025 | Xu | ½–½ | Chapman | Round 1: Xu, Jiarui - Chapman, Luke | Sicilian Defense: Löwenthal Variation | |
| Jul 31, 2025 | Chapman | 1–0 | Vihaan Mathur | Round 9: Chapman, Luke - Vihaan Mathur | Bishop's Opening: Vienna Hybrid, Spielmann Attack | |
| Jul 31, 2025 | Amoako Philip Selikem Yao | 1–0 | Chapman | Round 8: Amoako Philip Selikem Yao - Chapman, Luke | Sicilian Defense: Closed | |
| Jul 31, 2025 | Swiatkowski | 0–1 | Chapman | Round 7: Swiatkowski, Dominik - Chapman, Luke | Dutch Defense: Leningrad Variation, Warsaw Variation | |
| Jul 31, 2025 | Chapman | ½–½ | Patel | Round 6: Chapman, Luke - Patel, Zain | Vienna Game: Vienna Gambit, Main Line | |
| Jul 31, 2025 | Chapman | 1–0 | Vaidyanathan | Round 5: Chapman, Luke - Vaidyanathan, Sathya | Ruy Lopez: Cozio Defense | |
| Jul 31, 2025 | Clarke | 1–0 | Chapman | Round 4: Clarke, John - Chapman, Luke | Zukertort Opening: Dutch Variation | |
| Jul 31, 2025 | Chapman | ½–½ | Cancedda-Dupuis | Round 2: Chapman, Luke - Cancedda-Dupuis, Livio | Sicilian Defense: Grand Prix Attack | |
| Jul 31, 2025 | Puig-Souto | 0–1 | Chapman | Round 1: Puig-Souto, Luca - Chapman, Luke | Sicilian Defense: Closed, Traditional | |
| Jan 5, 2025 | Chapman | 1–0 | Gorskovs | 98th Caplin Hastings Weekend Open 2025 | Vienna Game: Falkbeer Variation | |
| Jan 5, 2025 | Gosling | 1–0 | Chapman | 98th Caplin Hastings Weekend Open 2025 | Zukertort Opening: Dutch Variation | |
| Jan 4, 2025 | Chapman | ½–½ | Freeman | 98th Caplin Hastings Weekend Open 2025 | Queen's Gambit Declined: Baltic Defense | |
| Jan 4, 2025 | Lesniowski | 0–1 | Chapman | 98th Caplin Hastings Weekend Open 2025 | French Defense: Rubinstein Variation, Fort Knox Variation | |
| Jan 3, 2025 | Zhang | 1–0 | Chapman | 98th Caplin Hastings Masters 2024 | Sicilian Defense: Kalashnikov Variation | |
| Jan 3, 2025 | Batchelor | 1–0 | Chapman | 98th Caplin Hastings Weekend Open 2025 | Dutch Defense | |
| Jan 2, 2025 | Chapman | 1–0 | Miller | 98th Caplin Hastings Masters 2024 | Sicilian Defense: Closed | |
| Jan 1, 2025 | Chapman | 0–1 | Keely | 98th Caplin Hastings Masters 2024 | Scandinavian Defense: Modern Variation | |
| Dec 31, 2024 | Norinkeviciute | ½–½ | Chapman | 98th Caplin Hastings Masters 2024 | English Opening: Anglo-Dutch Defense | |
| Dec 30, 2024 | Vaidyanathan | 1–0 | Chapman | 98th Caplin Hastings Masters 2024 | Dutch Defense: Leningrad Variation, Warsaw Variation | |
| Dec 29, 2024 | Chapman | 0–1 | Alcindor | 98th Caplin Hastings Masters 2024 | Sicilian Defense: Closed | |
| Dec 29, 2024 | Byron | 1–0 | Chapman | 98th Caplin Hastings Masters 2024 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Dec 28, 2024 | Chapman | 1–0 | Bilandzic | 98th Caplin Hastings Masters 2024 | Caro-Kann Defense: Maróczy Variation | |
| Sep 22, 2024 | Chapman | 1–0 | Marsden | 2024 UK Chess Challenge Terafinal Challengers U14 | Sicilian Defense: Grand Prix Attack | |
| Sep 22, 2024 | Chapman | ½–½ | Marsden | 2024 UK Chess Challenge Terafinal Challengers U14 | Sicilian Defense: Closed | |
| Sep 22, 2024 | Dasgupta | 1–0 | Chapman | 2024 UK Chess Challenge Terafinal Challengers U14 | French Defense: Schlechter Variation | |
| Sep 22, 2024 | Balmond | ½–½ | Chapman | 2024 UK Chess Challenge Terafinal Challengers U14 | French Defense: Rubinstein Variation | |
| Sep 21, 2024 | Chapman | 0–1 | Shearsby | 2024 UK Chess Challenge Terafinal Challengers U14 | Nimzowitsch Defense: French Connection | |
| Sep 21, 2024 | Chapman | 1–0 | Catabay | 2024 UK Chess Challenge Terafinal Challengers U14 | Sicilian Defense: Grand Prix Attack | |
| Aug 3, 2024 | Chapman | ½–½ | Sahoo | Round 7: Chapman, Luke - Sahoo, Shivam | French Defense: Exchange Variation | |
| Aug 2, 2024 | De Silva | 1–0 | Chapman | Round 6: De Silva, Sithun - Chapman, Luke | French Defense: Rubinstein Variation, Fort Knox Variation | |
| Jul 31, 2024 | Dairi | 0–1 | Chapman | Round 4: Dairi, Ramsey - Chapman, Luke | French Defense: Rubinstein Variation, Fort Knox Variation | |
| Jul 29, 2024 | Patel | 0–1 | Chapman | Round 2: Patel, Diah - Chapman, Luke | French Defense: Advance Variation, Main Line | |
| Jul 28, 2024 | Chapman | 0–1 | Kumar | Round 1: Chapman, Luke - Kumar, Sanjit S | French Defense: Exchange Variation | |
| Jul 27, 2024 | Chapman | ½–½ | Ratcliffe | Round 9: Chapman, Luke - Ratcliffe, James | Bishop's Opening: Vienna Hybrid | |
| Jul 27, 2024 | Freeman | ½–½ | Chapman | Round 8: Freeman, Luke - Chapman, Luke | French Defense: Two Knights Variation | |
| Jul 27, 2024 | Parikh | ½–½ | Chapman | Round 7: Parikh, Naavya - Chapman, Luke | French Defense: Exchange Variation | |
| Jul 26, 2024 | Chapman | 0–1 | Kumar | Round 6: Chapman, Luke - Kumar, Sanjit S | French Defense: Exchange Variation | |
| Jul 26, 2024 | De Silva | 0–1 | Chapman | Round 5: De Silva, Sithun - Chapman, Luke | French Defense: Advance Variation, Paulsen Attack | |
| Jul 26, 2024 | Ding | 1–0 | Chapman | Round 4: Ding, Yiwen - Chapman, Luke | Dutch Defense: Semi-Leningrad Variation | |
| Jul 26, 2024 | Chapman | 0–1 | Patel | Round 3: Chapman, Luke - Patel, Zain | Caro-Kann Defense: Maróczy Variation | |
| Jul 26, 2024 | Sisupalan | 0–1 | Chapman | Round 2: Sisupalan, Beni - Chapman, Luke | French Defense: Advance Variation, Milner-Barry Gambit | |