| 3 jul 2026 | Pieri, Pierre-Louis 2201 | Minde, Timothe 2045 | 1-0 | E11 Defensa Bogoindia: Vitolins Variation | 11 ème Open international de Porticcio | 65 | Ver |
| 30 jun 2026 | Deladerriere, Apollo 2063 | Pieri, Pierre-Louis 2201 | 1-0 | B22 Defensa Siciliana: Alapin Variation, Barmen Defense | 11 ème Open international de Porticcio | 39 | Ver |
| 29 jun 2026 | Pieri, Pierre-Louis 2201 | Sumets, Andrey 2513 | 0-1 | B23 Defensa Siciliana: Closed, Traditional | 11 ème Open international de Porticcio | 40 | Ver |
| 24 jun 2026 | Fedorchuk, Sergey A. 2593 | Pieri, Pierre-Louis 2201 | 1-0 | C05 Defensa Francesa: Tarrasch Variation, Closed Variation | 11 ème Open international de Porticcio | 34 | Ver |
| 15 feb 2026 | Pieri, Pierre-Louis 2202 | Chelly, Yahya 2061 | ½-½ | B10 Defensa Caro-Kann: Two Knights Attack | 2026 Djerba International Chess Festival | Open A | 30 | Ver |
| 14 feb 2026 | Pieri, Pierre-Louis 2202 | Bouzidi, Ahmed 2126 | 0-1 | C77 Apertura Española (Ruy López): Morphy Defense, Tarrasch Variation | 2026 Djerba International Chess Festival | Open A | 37 | Ver |
| 13 feb 2026 | Hu, Jiani 2112 | Pieri, Pierre-Louis 2202 | ½-½ | E60 Defensa India de Rey: Fianchetto Variation, Immediate Fianchetto | 2026 Djerba International Chess Festival | Open A | 27 | Ver |
| 13 feb 2026 | Pieri, Pierre-Louis 2202 | Berend, Elvira 2252 | ½-½ | B50 Defensa Siciliana: Modern Variations | 2026 Djerba International Chess Festival | Open A | 32 | Ver |
| 11 feb 2026 | Pieri, Pierre-Louis 2202 | Njili, Kamel 2414 | 1-0 | C11 Defensa Francesa: Classical Variation | 2026 Djerba International Chess Festival | Blitz | 44 | Ver |
| 11 feb 2026 | Pieri, Pierre-Louis 2202 | Durand-Benmoussa, Roman 2128 | 1-0 | C24 Apertura de Alfil: Paulsen Defense | 2026 Djerba International Chess Festival | Blitz | 28 | Ver |
| 11 feb 2026 | Berend, Fred 2223 | Pieri, Pierre-Louis 2202 | 0-1 | C11 Defensa Francesa: Steinitz Variation, Boleslavsky Variation | 2026 Djerba International Chess Festival | Blitz | 36 | Ver |
| 11 feb 2026 | Pieri, Pierre-Louis 2202 | Chelly, Yahya 2061 | 1-0 | B15 Defensa Caro-Kann: Tartakower Variation | 2026 Djerba International Chess Festival | Blitz | 17 | Ver |
| 11 feb 2026 | Edouard, Romain 2540 | Pieri, Pierre-Louis 2202 | 1-0 | C02 Defensa Francesa: Advance Variation, Euwe Variation | 2026 Djerba International Chess Festival | Blitz | 33 | Ver |
| 11 feb 2026 | Pieri, Pierre-Louis 2202 | Zenaidi, Sadok 2021 | 1-0 | D01 Rapport-Jobava System | 2026 Djerba International Chess Festival | Blitz | 42 | Ver |
| 10 feb 2026 | Bressy, Theo 2239 | Pieri, Pierre-Louis 2202 | 1-0 | A45 Ataque Trompowsky | 2026 Djerba International Chess Festival | Open A | 23 | Ver |
| 10 feb 2026 | Pieri, Pierre-Louis 2202 | Bourg, Nicolas 2159 | 0-1 | C72 Apertura Española (Ruy López): Morphy Defense, Modern Steinitz Defense | 2026 Djerba International Chess Festival | Open A | 60 | Ver |
| 9 feb 2026 | Aryan Mehta 2110 | Pieri, Pierre-Louis 2202 | 0-1 | D85 Defensa Grünfeld: Exchange Variation | 2026 Djerba International Chess Festival | Open A | 52 | Ver |
| 8 feb 2026 | Pieri, Pierre-Louis 2202 | Minde, Baptiste 2052 | ½-½ | C11 Defensa Francesa: Classical Variation | 2026 Djerba International Chess Festival | Open A | 24 | Ver |
| 7 feb 2026 | Moussard, Jules 2592 | Pieri, Pierre-Louis 2202 | 1-0 | C00 Defensa Francesa: Chigorin Variation | 2026 Djerba International Chess Festival | Blitz | 39 | Ver |
| 6 sep 2025 | Villegas, Pierre 2265 | Pieri, Pierre-Louis 2229 | 1-0 | A06 Apertura Zukertort | Ronde 9: Samedi 6 septembre – 9h00: Villegas, Pierre - Pieri, Pierre-Louis | 48 | Ver |