Shapiro, Nathan
Current rating: 1414
Record: 2-7
| Grand Prix Minneapolis 2014 (modern) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 232 | Roberts, Leigh (1471) | Lost 1-2 | -171430 |
| 2modern | 620 | Ornellas, Adam (1482) | Lost 0-2 | -171413 |
| 3modern | 819 | Peo, Joseph (1463) | Won 2-0 | +181431 |
| 4modern | 824 | Cotter, Andrew (1481) | Lost 0-2 | -171414 |
| average opponent: 1474record: 1-3 | new rating: 1414 | |||
| Grand Prix Oakland 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 135 | Bacher, Isaac (1463) | Lost 0-2 | -191481 |
| 2extended | 305 | Meyer, Gabriel (1481) | Lost 0-2 | -181463 |
| 3extended | 308 | Mercier, Chris (1464) | Won 2-0 | +181481 |
| 4extended | 324 | Nguyen, James (1585) | Lost 0-2 | -161465 |
| 5extended | 317 | Carvalho, Mateus (1463) | Lost 0-2 | -181447 |
| average opponent: 1491record: 1-4 | new rating: 1447 | |||