Rotunno, Nathaniel
Current rating: 1462
| Grand Prix Seattle 2019 (MH1 limited) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| B3sealed | 140 | Putnam, Tyler (1905) | Won 2-1 | +251510 |
| B4sealed | 4 | Edmondson, Devon (1515) | Lost 1-2 | -181492 |
| B5sealed | 193 | Sarsfield, Corey (1758) | Lost 1-2 | -131479 |
| B6sealed | 297 | Greer, Douglas (1522) | Lost 0-2 | -171462 |
| top | average opponent: 1675record: 1-3 | new rating: 1462 | ||
| Grand Prix Milwaukee 2016 (KLD limited) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 78 | Adsett, Daniel (1500) | Lost 0-2 | -171448 |
| 2sealed | 466 | Kapalas, Georgios (1869) | Won 2-0 | +251473 |
| 3sealed | 313 | Tapio, Kyle (1503) | Won 2-0 | +191492 |
| 4sealed | 184 | Watson, Bryan (1518) | Won 2-0 | +181510 |
| 5sealed | 195 | Reynolds, Arthur (1688) | Won 2-0 | +221532 |
| 6sealed | 44 | Wolbers, Andrew (1973) | Lost 0-2 | -111521 |
| 7sealed | 168 | Baker, Paul (1585) | Lost 0-2 | -171504 |
| 8sealed | 333 | Olson, Oliver (1431) | Lost 0-2 | -191485 |
| top | average opponent: 1633record: 4-4 | new rating: 1485 | ||
| Grand Prix Toronto 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 138 | Noorani, Farooq S (1500) | Lost 1-2 | -181482 |
| 2sealed | 181 | Bassett, Jordan (1480) | Won 2-0 | +181500 |
| 3sealed | 154 | Moir, Ben (1583) | Lost 0-2 | -171483 |
| 4sealed | 286 | Maille, Dustin C (1482) | Lost 1-2 | -181465 |
| top | average opponent: 1511record: 1-3 | new rating: 1465 | ||