Ferrara, Piero
Current rating: 1456
| Grand Prix Brussels 2020 (pioneer) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 3pioneer | 21 | van der Steenhoven, Rob (1866) | Won 2-1 | +251473 |
| 4pioneer | 118 | Berger, Maximilien (1603) | Won 2-0 | +201493 |
| 5pioneer | 48 | Budde, Christopher (1822) | Lost 0-2 | -121481 |
| 6pioneer | 151 | Granados, Xavier (1783) | Lost 0-2 | -131468 |
| 7pioneer | 203 | Brendemuhl, Bernd (1633) | Won 2-0 | +211489 |
| 8pioneer | 224 | Bignami, Andrea (1829) | Won 2-1 | +241513 |
| 9pioneer | 147 | Scharr, Jules (1573) | Won 2-0 | +191532 |
| 10pioneer | 72 | Calvanese, Pierluigi (1704) | Lost 0-2 | -141518 |
| 11pioneer | 107 | Manzari, Vincenzo (1528) | Lost 0-2 | -181500 |
| 12pioneer | 144 | Pizzi, William (1817) | Lost 1-2 | -131487 |
| 13pioneer | 145 | dos Reis, Ruda (1652) | Lost 0-2 | -151472 |
| 14pioneer | 128 | Vainio, Aki (1571) | Lost 0-2 | -161456 |
| top | average opponent: 1698record: 5-7 | new rating: 1456 | ||
| Grand Prix Turin 2017 (HOU standard) | starting rating: 1430 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 55 | Padovani, Lorenzo (1518) | Won 2-1 | +201450 |
| 3standard | 109 | Luminati, Valerio (1739) | Lost 1-2 | -131437 |
| 4standard | 213 | Hubrich, Rene (1660) | Won 2-0 | +221459 |
| 5standard | 201 | Izzo, Jacopo (1500) | Lost 0-2 | -181441 |
| 6standard | 268 | Aubert, Thomas (1566) | Won 2-0 | +211462 |
| 7standard | 180 | Yelkovan, Atakan (1526) | Lost 1-2 | -171445 |
| 8standard | 186 | Iavarone, Francesco (1521) | Won 2-0 | +191464 |
| 9standard | 146 | Gay, Benjamin (1543) | Lost 0-2 | -161448 |
| top | average opponent: 1572record: 4-4 | new rating: 1448 | ||
| Grand Prix Bologna 2017 (AKH limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 165 | Ranieri, Alessandro (1500) | Won 2-0 | +181518 |
| 2sealed | 192 | Weber, Michael (1445) | Lost 1-2 | -191499 |
| 3sealed | 538 | Les, Igor (1499) | Lost 1-2 | -181481 |
| 4sealed | 620 | Takano, Masahiro (1513) | Lost 1-2 | -181463 |
| 5sealed | 754 | Fajardo, Luis (1669) | Lost 1-2 | -141449 |
| 6sealed | 721 | Kobylinski, Przemyslaw (1391) | Lost 0-2 | -191430 |
| top | average opponent: 1503record: 1-5 | new rating: 1430 | ||