Castaldo, Lorenzo
Current rating: 1555
Record: 11-10
| Regional Championships Lille 2023 (pioneer) | starting rating: 1582 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 312 | Van Eeghen, Elmer (1879) | Lost 0-2 | -131569 |
| 2pioneer | 205 | Leuchter, Jan (1484) | Won 2-1 | +161585 |
| 3pioneer | 164 | Saenz de Urturi, Alejandro (1665) | Lost 0-2 | -161569 |
| 4pioneer | 191 | Wappler, Jan (1490) | Won 2-1 | +161585 |
| 5pioneer | 151 | Zavadzkis, Domantas (1802) | Lost 0-2 | -141571 |
| 6pioneer | 206 | Pass, Kevin (1658) | Lost 0-2 | -161555 |
| average opponent: 1663record: 2-4 | new rating: 1555 | |||
| Regional Championships Athens 2023 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 190 | Spyra, Tomasz (1585) | Won 2-0 | +201520 |
| 2pioneer | 83 | Relat, Ferran (1829) | Won 2-1 | +231543 |
| 3pioneer | 19 | hriz, soufian (1538) | Won 2-1 | +181561 |
| 4pioneer | 17 | Cai, Giona (1708) | Lost 0-2 | -151546 |
| 5pioneer | 34 | Sommerhalder, Eric (1584) | Lost 0-2 | -181528 |
| 6pioneer | 49 | Gonzalez Hidalgo, Francisco Jose (1675) | Won 2-1 | +211549 |
| 7pioneer | 53 | Conza, Lorenzo (1675) | Lost 0-2 | -161533 |
| 8pioneer | 105 | Werfring, Albert (1534) | Won 2-1 | +181551 |
| 9pioneer | 47 | Bianco, Edoardo (1558) | Won 2-1 | +181569 |
| 10pioneer | 37 | Hyttel, Lucas (1783) | Won 2-0 | +221591 |
| 11pioneer | 31 | Peral, Marc (1671) | Lost 0-2 | -161575 |
| 12pioneer | 41 | Gimenez, Sergio (1574) | Lost 1-2 | -181557 |
| 13pioneer | 47 | Tlili, Luca (1551) | Won 2-1 | +181575 |
| 14pioneer | 37 | Chapelle, Leo (1737) | Won 2-1 | +211596 |
| 15pioneer | 28 | Dang, Martin (1833) | Lost 0-2 | -141582 |
| average opponent: 1656record: 9-6 | new rating: 1582 | |||