| 23 ago 2026 | Muller-Moingt, Bastien 2123 | Cummings, David H. 2243 | ½-½ | E49 Nimzo-Indian Defense: Normal Variation, Botvinnik System | Olomoucke sachove leto 2026 - ab | 23 | Ver |
| 22 ago 2026 | Cummings, David H. 2243 | Suder, Jakub 2395 | ½-½ | A14 English Opening: Agincourt Defense, Neo-Catalan Declined | Olomoucke sachove leto 2026 - ab | 13 | Ver |
| 20 ago 2026 | Bokhnak, Tymofii 2262 | Cummings, David H. 2243 | 0-1 | B13 Caro-Kann Defense: Exchange Variation | Olomoucke sachove leto 2026 - ab | 29 | Ver |
| 19 ago 2026 | Cummings, David H. 2243 | Dhyana Patel 2046 | 1-0 | A15 English Opening: Anglo-Indian Defense, Anti-Anti-Grünfeld | Olomoucke sachove leto 2026 - ab | 48 | Ver |
| 18 ago 2026 | Heinrich, John 2398 | Cummings, David H. 2243 | ½-½ | E00 Catalan Opening | Olomoucke sachove leto 2026 - ab | 25 | Ver |
| 17 ago 2026 | Cummings, David H. 2243 | Le Ruyet, Leopold 2263 | ½-½ | A42 Modern Defense: Averbakh System | Olomoucke sachove leto 2026 - ab | 17 | Ver |
| 17 ago 2026 | Kejna, Piotr 2343 | Cummings, David H. 2243 | ½-½ | C42 Petrov's Defense: Classical Attack | Olomoucke sachove leto 2026 - ab | 45 | Ver |
| 16 ago 2026 | Cummings, David H. 2243 | Jurek, Josef 2152 | ½-½ | A34 English Opening: Symmetrical Variation, Three Knights Variation | Olomoucke sachove leto 2026 - ab | 26 | Ver |
| 15 ago 2026 | Cummings, David H. 2243 | Adarsh Tripathi 2249 | ½-½ | A07 King's Indian Attack: Keres Variation | Olomoucke sachove leto 2026 - ab | 37 | Ver |
| 9 ago 2026 | Cummings, David H. 2243 | Gordon, Stephen J 2429 | 0-1 | A21 English Opening: King's English Variation, Kramnik-Shirov Counterattack | 2026 British Chess Championships: Championship | 64 | Ver |
| 8 ago 2026 | Vijayakumar, Rishi 2315 | Cummings, David H. 2244 | ½-½ | D37 Queen's Gambit Declined: Three Knights Variation | 2026 British Chess Championships: Championship | 53 | Ver |
| 7 ago 2026 | Cummings, David H. 2244 | Bates, Richard A 2296 | 1-0 | A13 English Opening: Agincourt Defense | 2026 British Chess Championships: Championship | 27 | Ver |
| 6 ago 2026 | Chow, Samuel 2381 | Cummings, David H. 2244 | ½-½ | D41 Queen's Gambit Declined: Semi-Tarrasch Defense | 2026 British Chess Championships: Championship | 56 | Ver |
| 5 ago 2026 | Cummings, David H. 2244 | McDonald, Neil 2399 | ½-½ | A85 Dutch Defense: Queen's Knight Variation | 2026 British Chess Championships: Championship | 41 | Ver |
| 4 ago 2026 | Golding, Alex 2370 | Cummings, David H. 2244 | ½-½ | C42 Petrov's Defense: Three Knights Game | 2026 British Chess Championships: Championship | 38 | Ver |
| 2 ago 2026 | Hebden, Mark L 2345 | Cummings, David H. 2233 | 1-0 | D35 Queen's Gambit Declined: Exchange Variation, Positional Variation | 2026 British Chess Championships: Championship | 63 | Ver |
| 27 jun 2026 | Cummings, David H. 2233 | Safarzadeh, Esmail 2203 | 1-0 | A16 English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation | Canadian Jr. and Sr. Championship 2026 | 27 | Ver |
| 12 abr 2026 | Cummings, David H. 2240 | Rios Gomez, Cristhian Camilo 2385 | 0-1 | E90 King's Indian Defense: Normal Variation, Rare Defenses | 2026 Sydney International Open Championships | 44 | Ver |
| 11 abr 2026 | Zheng, Tony 2037 | Cummings, David H. 2240 | ½-½ | D45 Semi-Slav Defense: Normal Variation | 2026 Sydney International Open Championships | 32 | Ver |
| 11 abr 2026 | Cummings, David H. 2240 | Annapureddy, Rheyansh Reddy 2146 | ½-½ | D01 Rapport-Jobava System | 2026 Sydney International Open Championships | 64 | Ver |
