| Game | Result | Opening | Date |
|---|---|---|---|
| Costa,Leonardo (2540) – Kollars,Dmitrij (2634) | 1/2-1/2 | Sicilian | 2026-07-25 |
| Hagner,Bennet (2451) – Costa,Leonardo (2540) | 0-1 | QGA | 2026-07-24 |
| Costa,Leonardo (2540) – Svane,R (2624) | 1/2-1/2 | Giuoco Pianissimo | 2026-07-23 |
| Braun,Geo (2374) – Costa,Leonardo (2540) | 0-1 | Sicilian | 2026-07-22 |
| Costa,Leonardo (2540) – Kuegel,T (2361) | 1/2-1/2 | Petrov | 2026-07-21 |
| Donchenko,Alexa (2635) – Costa,Leonardo (2540) | 1-0 | Catalan | 2026-07-20 |
| Wagner,De (2589) – Costa,Leonardo (2540) | 0-1 | Queen's gambit declined | 2026-07-19 |
| Costa,Leonardo (2540) – Engel,Luis (2588) | 1-0 | Sicilian | 2026-07-18 |
| Huschenbeth,N (2586) – Costa,Leonardo (2540) | 1/2-1/2 | Caro-Kann | 2026-07-17 |
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