| Game | Result | Opening | Date |
|---|---|---|---|
| Pinzaru, Giorgio (1908) – Costantino, Claudio Emanuele (2161) | 0-1 | Italian Game: Two Knights Defense, Modern Bishop's Opening | 2026-09-02 |
| Costantino, Claudio Emanuele (2161) – Ceccato, Thomas Iljic (1874) | 1-0 | Owen Defense | 2026-09-01 |
| Di Resta, Flavio (1904) – Costantino, Claudio Emanuele (2178) | 1-0 | Sicilian Defense: Moscow Variation | 2026-08-31 |
| Costantino, Claudio Emanuele (2178) – Mereu, Alberto Sisinnio (1616) | 1-0 | Italian Game: Giuoco Pianissimo, Canal Variation | 2026-08-31 |
| Costantino, Claudio Emanuele (2178) – Cammarano, Gerardo Jose (1815) | 1-0 | French Defense: Paulsen Variation | 2026-08-30 |
| Leone, Stefano (1614) – Costantino, Claudio Emanuele (2178) | 0-1 | Sicilian Defense: Sozin Attack | 2026-08-29 |
| Costantino, Claudio Emanuele (2178) – Heimann, Mark (2487) | 0-1 | French Defense: Paulsen Variation | 2026-08-08 |
| Costantino, Claudio Emanuele (2222) – Paduano, Claudio (2300) | 0-1 | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | 2026-07-12 |
| Tellarini, Lorenzo (2078) – Costantino, Claudio Emanuele (2222) | 1/2-1/2 | Petrov's Defense: Modern Attack, Murrey Variation | 2026-07-11 |
| Costantino, Claudio Emanuele (2222) – Palozza, Christian (2282) | 1/2-1/2 | Caro-Kann Defense: Endgame Offer | 2026-07-10 |
| Costantino, Claudio Emanuele (2222) – Pegno, Mattia (2259) | 1/2-1/2 | Italian Game: Two Knights Defense, Modern Bishop's Opening | 2026-07-09 |
| Pulvirenti, Davide (2265) – Costantino, Claudio Emanuele (2222) | 1/2-1/2 | English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 | 2026-07-09 |
| Begelman, Boris (2303) – Costantino, Claudio Emanuele (2222) | 0-1 | English Opening: Agincourt Defense, Catalan Defense Accepted | 2026-07-08 |
| Costantino, Claudio Emanuele (2222) – Perossa, Nicolas (2325) | 1/2-1/2 | Four Knights Game: Spanish Variation | 2026-07-07 |
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