Castiello, Saverio
Current rating: 1455
| Regional Championships Naples 2023 (ONE standard) | starting rating: 1476 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 20 | Gruppi, Lorenzo (1500) | Won 2-1 | +181494 |
| 2standard | 43 | Sanchez, Francisco (1992) | Lost 0-2 | -91485 |
| 3standard | 68 | OBALLE, SEBASTIAN (1500) | Lost 1-2 | -181467 |
| 4standard | 145 | Erola, Tommi (1490) | Lost 0-2 | -181449 |
| 5standard | 172 | Peli, Dario (1417) | Won 2-1 | +181467 |
| 6standard | 172 | Bergelin, Jakob (1801) | Lost 1-2 | -121455 |
| top | average opponent: 1617record: 2-4 | new rating: 1455 | ||
| Grand Prix Brussels 2020 (pioneer) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 2pioneer | 36 | Berio, Davide (1179) | Won 2-0 | +141460 |
| 3pioneer | 311 | Szmyd, Jedrek (1769) | Won 2-1 | +231483 |
| 4pioneer | 185 | Soage, Amaro (1523) | Won 2-0 | +191502 |
| 5pioneer | 8 | Geffroy, Olivier (1665) | Won 2-0 | +211523 |
| 6pioneer | 35 | Brouwer, Kevin (1594) | Lost 1-2 | -171506 |
| 7pioneer | 111 | Montresor, Fabio (1789) | Lost 1-2 | -131493 |
| 8pioneer | 120 | Sercu, Joery (1530) | Lost 1-2 | -171476 |
| top | average opponent: 1579record: 4-3 | new rating: 1476 | ||
| Grand Prix Stockholm 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 294 | Schack-Mulligen, Anders (1500) | Lost 0-2 | -181482 |
| 2modern | 353 | Carell, Johannes (1462) | Lost 0-2 | -181464 |
| 3modern | 536 | O'Neill, Connor (1463) | Lost 0-2 | -181446 |
| 4modern | 622 | Schreiber, Michael Riis (1411) | Lost 0-2 | -191427 |
| 5modern | 580 | Andersson, Mikael (1567) | Lost 0-2 | -151412 |
| 6modern | 518 | Kohler, Johan (1408) | Won 2-1 | +171429 |
| 7modern | 437 | Parry, Nathaniel (1371) | Draw 1-1 | -11428 |
| 8modern | 382 | Viherranta, Sami (1429) | Won 2-1 | +181446 |
| top | average opponent: 1451record: 2-5-1 | new rating: 1446 | ||