Petenaider, Guido
Current rating: 1452
Record: 6-9
| Grand Prix Warsaw 2017 (XLN standard) | starting rating: 1490 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 140 | Whytock, Calum (1539) | Won 2-1 | +191509 |
| 2standard | 219 | Larsen, Daniel (1471) | Lost 1-2 | -181491 |
| 3standard | 331 | Sapigora, Anton (1482) | Lost 0-2 | -181473 |
| 4standard | 444 | Szmaglinski, Michal (1438) | Lost 0-2 | -191454 |
| 5standard | 535 | Sabelnikov, Vladyslav (1322) | Lost 1-2 | -201434 |
| 6standard | 534 | Lundevik, Fredrik (1445) | Won 2-0 | +181452 |
| average opponent: 1450record: 2-4 | new rating: 1452 | |||
| Grand Prix Turin 2017 (HOU standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 25 | Vietti, Davide (1559) | Won 2-0 | +191519 |
| 2standard | 35 | Battiston, Dario (1519) | Lost 0-2 | -181501 |
| 3standard | 318 | Skocki, Michal (1454) | Lost 0-2 | -191482 |
| 4standard | 342 | Pizzichini, Filippo (1493) | Won 2-0 | +181500 |
| 5standard | 258 | Milia, Joseph (1620) | Won 2-1 | +211521 |
| 6standard | 168 | Di Cesare, Marco (1608) | Lost 1-2 | -171504 |
| 7standard | 259 | Bianchini, Federico (1531) | Won 2-0 | +191523 |
| 8standard | 220 | Vojta, Jakub (1816) | Lost 0-2 | -131510 |
| 9standard | 258 | Regis, Giulio (1434) | Lost 1-2 | -201490 |
| average opponent: 1559record: 4-5 | new rating: 1490 | |||