| Feb 21, 2026 | Costello | 1–0 | Cooper | Round 2: Costello, Colin A - Cooper, Malcolm H | Slav Defense: Quiet Variation, Schallopp Defense | |
| Feb 20, 2026 | Cooper | 0–1 | Liu | Round 1: Cooper, Malcolm H - Liu,Yiyi | Rat Defense: English Rat | |
| Feb 23, 2025 | Cooper | 1–0 | Catabay | Round 5: Cooper, Malcolm H - Catabay, Rezin C | Queen's Gambit Declined: Marshall Defense | |
| Feb 23, 2025 | Pleasants | 1–0 | Cooper | Round 4: Pleasants, Allan J - Cooper, Malcolm H | Caro-Kann Defense: Accelerated Panov Attack | |
| Feb 22, 2025 | Cooper | 1–0 | Hunn | Round 2: Cooper, Malcolm H - Hunn, David | King's Indian Defense: Orthodox Variation, Positional Defense | |
| Feb 22, 2025 | Cooper | 1–0 | Singh | Round 3: Cooper, Malcolm H - Singh, Amrik J | Queen's Pawn Game: Modern Defense | |
| Feb 21, 2025 | Zielinski | ½–½ | Cooper | Round 6: Zielinski, Marcin - Cooper, Malcolm H | Semi-Slav Defense | |
| Feb 21, 2025 | Whitmore | ½–½ | Cooper | Round 1: Whitmore, Darren H - Cooper, Malcolm H | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Feb 20, 2025 | Cooper | 1–0 | Horwood | Round 5: Cooper, Malcolm H - Horwood, Alexander | King's Indian Defense: Orthodox Variation | |
| Feb 20, 2025 | Lin | 1–0 | Cooper | Round 4: Lin, William - Cooper, Malcolm H | Sicilian Defense: Grand Prix Attack | |
| Feb 19, 2025 | Cooper | ½–½ | Collins | Round 3: Cooper, Malcolm H - Collins, Nigel | Grünfeld Defense: Russian Variation, Smyslov Variation | |
| Feb 18, 2025 | Cooper | 1–0 | Tso | Round 1: Cooper, Malcolm H - Tso, Chi Wai | Semi-Slav Defense: Bogoljubow Variation | |
| Feb 18, 2025 | Bowley | 1–0 | Cooper | Round 2: Bowley, Clive - Cooper, Malcolm H | King's Indian Attack: Yugoslav Variation | |
| Mar 19, 2024 | Cooper | 0–1 | Cramling Bellon | Reykjavik Open 2024 | Sicilian Defense: Four Knights Variation | |
| Jan 22, 2023 | Murphy | 0–1 | Cooper | 29th 4NCL Congress | Mieses Opening | |
| Jan 21, 2023 | Cooper | 0–1 | Salisbury | 29th 4NCL OTB Congress | Queen's Gambit Declined: Chigorin Defense, Main Line | |
| Jan 21, 2023 | Chester | 1–0 | Cooper | 29th 4NCL OTB Congress | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | |
| Jan 20, 2023 | Cooper | ½–½ | Webster | 29th 4NCL OTB Congress | English Defense | |
