Petrongolo, Sandro
Current rating: 1411
Record: 4-9
| Grand Prix Strasbourg 2014 (KTK limited) | starting rating: 1442 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 855 | Melis, Xavier (1533) | Lost 0-2 | -161426 |
| 2sealed | 1066 | Rudolph, Mirko (1468) | Won 2-1 | +191445 |
| 3sealed | 1094 | Meckel, Christian (1563) | Lost 0-2 | -161429 |
| 4sealed | 811 | Shmyrov, Iurii (1415) | Lost 1-2 | -181411 |
| average opponent: 1495record: 1-3 | new rating: 1411 | |||
| Grand Prix Milan 2014 (JOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 101 | Saldarini, Cesare (1500) | Lost 1-2 | -181482 |
| 2sealed | 345 | Lanaro, Matteo Paolo (1482) | Lost 0-2 | -181464 |
| 3sealed | 500 | De Luca, Marcello (1468) | Lost 0-2 | -181446 |
| 4sealed | 521 | Morini, Riccardo (1447) | Lost 1-2 | -181428 |
| 5sealed | 508 | Pivetti, Roberto (1429) | Won 2-0 | +181446 |
| 6sealed | 203 | Taylor, Charlie (1266) | Won 2-0 | +151461 |
| 7sealed | 335 | Kalberer, Simon (1464) | Won 2-0 | +181479 |
| 8sealed | 259 | Bianzino, Aruna Prem (1508) | Lost 0-2 | -181461 |
| 9sealed | 235 | Torasso, Denis (1400) | Lost 0-2 | -191442 |
| average opponent: 1440record: 3-6 | new rating: 1442 | |||