| Jun 28, 2026 | Beardsley | 1–0 | Barnes | Round 5: Beardsley, Martin - Barnes, David | Sicilian Defense: Closed | |
| Jun 28, 2026 | Barnes | 0–1 | Thomas | Round 4: Barnes, David - Thomas, Mark | Modern Defense: Two Knights Variation | |
| Jun 27, 2026 | Barnes | 0–1 | Singh | Round 2: Barnes, David - Singh, Amrik J | Modern Defense: Standard Defense | |
| Jun 26, 2026 | Woods | * | Barnes | Round 1: Woods, Timothy J - Barnes, David | ? | |
| Apr 19, 2026 | Bradley | 1–0 | Barnes | Round 5: Bradley, William - Barnes, David | Sicilian Defense: Closed | |
| Jun 29, 2025 | Barnes | 1–0 | Thomas | Round 5: Barnes, David - Thomas, Roy | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Jun 29, 2025 | Hankey | 1–0 | Barnes | Round 4: Hankey, Chris - Barnes, David | Benoni Defense: Old Benoni | |
| Jun 28, 2025 | Barnes | ½–½ | Graham | Round 3: Barnes, David - Graham, Geoff | Nimzowitsch Defense: Kennedy Variation | |
| Jun 28, 2025 | Barnes | 1–0 | Abdulhamid | Round 2: Barnes, David - Abdulhamid, Mohammad | Sicilian Defense: Smith-Morra Gambit Declined, Scandinavian Formation | |
| Jun 27, 2025 | Lambton | ½–½ | Barnes | Round 1: Lambton, David - Barnes, David | English Opening: Jaenisch Gambit | |
| — | Barnes | 0–1 | Marks | Round 2: Barnes, David - Marks, Ian A | French Defense: Orthoschnapp Gambit | |
| — | Barnes | 0–1 | Dennis | Round 3: Barnes, David - Dennis, Nigel W | Sicilian Defense: Smith-Morra Gambit Declined, Scandinavian Formation | |
| — | Barnes | 1–0 | Wright | Round 5: Barnes, David - Wright, George A | Caro-Kann Defense: Endgame Offer | |
| — | Barnes | 0–1 | Erdogan | Round 7: Barnes, David - Erdogan, Hassan | Philidor Defense: Hanham Variation, Schlechter Variation | |
| — | Hodge | 1–0 | Barnes | Round 1: Hodge, Steve R - Barnes, David | Sicilian Defense: O'Kelly Variation, Venice System | |
| — | Tidmarsh | ½–½ | Barnes | Round 4: Tidmarsh, David A - Barnes, David | Sicilian Defense: Scheveningen Variation, English Attack, with Qd2 | |
| — | Phillips | ½–½ | Barnes | Round 6: Phillips, William - Barnes, David | Benko Gambit Declined: Main Line | |
