| 5 jul 2026 | Klaasen, Calvin John 2171 | Dinham, James 2140 | 1-0 | B23 Defensa Siciliana: Closed, Traditional | SA Open 2026 Championship | 45 | Ver |
| 4 jul 2026 | Dinham, James 2140 | Mnyasta, Charlton 2215 | ½-½ | B68 Defensa Siciliana: Richter-Rauzer Variation, Neo-Modern Variation | SA Open 2026 Championship | 77 | Ver |
| 1 jul 2026 | Dinham, James 2140 | Mnyasta, Tezihano 2008 | ½-½ | A05 Ataque Indio de Rey: Spassky Variation | SA Open 2026 Championship | 39 | Ver |
| 26 jun 2026 | Rogov, Matfey 2369 | Dinham, James 2174 | 1-0 | B52 Defensa Siciliana: Moscow Variation, Main Line | SA Open 2026 Championship | 29 | Ver |
| 23 jun 2026 | Mwali, Chitumbo 2327 | Dinham, James 2174 | 1-0 | D79 Defensa Neogrünfeld: Ultra-Delayed Exchange Variation | 2026 Africa Individual Chess Championships | 41 | Ver |
| 21 jun 2026 | Dinham, James 2174 | Mwale, Joseph 2303 | 0-1 | A44 Defensa Benoni: Old Benoni | 2026 Africa Individual Chess Championships | 21 | Ver |
| 20 jun 2026 | Felix, Raphael 2293 | Dinham, James 2174 | 1-0 | B90 Defensa Siciliana: Najdorf Variation, Adams Attack | 2026 Africa Individual Chess Championships | 44 | Ver |
| 1 mar 2026 | Dinham, James 2108 | Simpson, Michael 2166 | ½-½ | A04 Apertura Zukertort: Sicilian Invitation | SA Adult Closed | 42 | Ver |
| 28 feb 2026 | Dinham, James 2091 | Van Zyl-Rudd, Jack 2230 | ½-½ | B90 Defensa Siciliana: Najdorf Variation, English Attack | SA Adult Closed | 29 | Ver |
| 25 feb 2026 | Dinham, James 2091 | Klaasen, Calvin John 2190 | 1-0 | B35 Defensa Siciliana: Accelerated Dragon, Modern Bc4 Variation | SA Adult Closed | 48 | Ver |
| 23 feb 2026 | Dinham, James 2091 | Van Zyl-Rudd, Jack 2230 | ½-½ | B90 Defensa Siciliana: Najdorf Variation, English Attack | SA Adult Closed | 29 | Ver |
| 22 feb 2026 | Mnyasta, Charlton 2158 | Dinham, James 2091 | 1-0 | B52 Defensa Siciliana: Moscow Variation, Sokolsky Variation | SA Adult Closed | 75 | Ver |
| 22 feb 2026 | Dinham, James 2091 | Levitan, Caleb Levi 2192 | ½-½ | D02 Apertura de Peón de Dama: Symmetrical Variation, Pseudo-Catalan | SA Adult Closed | 46 | Ver |
| 21 feb 2026 | Dinham, James 2091 | Barrish, Daniel 2290 | 1-0 | B18 Defensa Caro-Kann: Classical Variation, Main Line | SA Adult Closed | 62 | Ver |
| 19 feb 2026 | Mazibuko, Khanya 2069 | Dinham, James 2091 | 0-1 | B21 Defensa Siciliana: Smith-Morra Gambit Accepted, Siberian Variation | SA Adult Closed | 13 | Ver |
| 19 feb 2026 | Dinham, James 2091 | Cawdery, Daniel 2337 | 1-0 | A05 Ataque Indio de Rey: Symmetrical Defense | SA Adult Closed | 42 | Ver |
| 19 feb 2026 | Karsten, Jan 2385 | Dinham, James 2091 | 1-0 | B89 Defensa Siciliana: Velimirovic Attack | SA Adult Closed | 46 | Ver |
| 19 feb 2026 | Levitan, Judah Nathan 2205 | Dinham, James 2091 | 1-0 | B95 Defensa Siciliana: Najdorf Variation | SA Adult Closed | 105 | Ver |
| 19 feb 2026 | Mhango, Banele 2225 | Dinham, James 2091 | 0-1 | E04 Apertura Catalana: Open Defense | SA Adult Closed | 84 | Ver |
| 28 dic 2025 | Dinham, James 2091 | Salinas Herrera, Pablo 2442 | 0-1 | D02 Apertura de Peón de Dama: Symmetrical Variation, Pseudo-Catalan | WRBC 2025 Rapid Open | 37 | Ver |