Bruce, Nathan
Current rating: 1462
Record: 12-15
| Grand Prix Hartford 2018 (modern) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 276 | Beals, Grant (1500) | Won 2-0 | +181533 |
| 2modern | 110 | Mackenzie, Warren (1476) | Lost 1-2 | -191514 |
| 3modern | 471 | Wilcox, Brad (1499) | Lost 1-2 | -181496 |
| 4modern | 612 | Carden, Tyler (1482) | Lost 0-2 | -191477 |
| 5modern | 711 | Paller, Andrew (1617) | Lost 0-2 | -151462 |
| top | average opponent: 1515record: 1-4 | new rating: 1462 | ||
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1559 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 344 | Duhamel, Joshua (1548) | Won 2-1 | +171576 |
| 2modern | 158 | Hirko, David (1503) | Lost 1-2 | -191557 |
| 3modern | 419 | Rubin, Alec (1501) | Lost 0-2 | -191538 |
| 4modern | 526 | Dunau, Bera (1435) | Lost 0-2 | -201518 |
| 5modern | 499 | Vincent, William (1466) | Won 2-0 | +171535 |
| 6modern | 425 | Henderson, Douglas (1425) | Lost 0-2 | -201515 |
| top | average opponent: 1480record: 2-4 | new rating: 1515 | ||
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 70 | Gottlieb, Justin (1522) | Won 2-0 | +181518 |
| 2sealed | 34 | Ross, Jonathan (1701) | Lost 0-2 | -141504 |
| 3sealed | 508 | Elliott, Robert S (1499) | Won 2-0 | +181522 |
| 4sealed | 407 | Bautista, Gino (1501) | Won 2-0 | +171539 |
| 5sealed | 317 | Pirro, Myles (1443) | Won 2-1 | +161555 |
| 6sealed | 105 | Luke, Bing (1644) | Won 2-1 | +201575 |
| 7sealed | 133 | Berrios, Stephen (1670) | Won 2-1 | +201595 |
| 8sealed | 66 | Palama, Phillip (1641) | Won 2-1 | +191614 |
| 9sealed | 12 | Damo da Rosa, Paulo Vitor (2043) | Lost 0-2 | -111603 |
| 10sealed | 68 | Pincus, Max (1864) | Won 2-1 | +231626 |
| 11draft | 42 | Asselin, Philippe (1655) | Lost 1-2 | -181608 |
| 12draft | 99 | Baggaley, Brian (1620) | Lost 0-2 | -181590 |
| 13draft | 76 | Portaro, Alessandro (1796) | Lost 0-2 | -141576 |
| 14draft | 59 | Doulos, Lambros (1662) | Won 2-0 | +201596 |
| 15draft | 53 | Jacura, Jordie (1603) | Lost 1-2 | -181578 |
| 16draft | 84 | Klionsky, Igor (1514) | Lost 1-2 | -191559 |
| top | average opponent: 1649record: 9-7 | new rating: 1559 | ||