Nelson, Spencer
Current rating: 1582
| Grand Prix Toronto 2019 (modern) | starting rating: 1547 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 80 | Oostrom, Zack (1423) | Won 2-0 | +161563 |
| 2modern | 54 | Duffy, Damian (1519) | Won 2-1 | +171580 |
| 3modern | 229 | Stein, Mathew (1800) | Won 2-1 | +221602 |
| 4modern | 30 | Fortier, Thomas (1561) | Lost 0-2 | -181584 |
| 5modern | 170 | Forget, Alexandre (1506) | Won 2-1 | +161600 |
| 6modern | 86 | Oake, Brandon (1508) | Won 2-1 | +161616 |
| 7modern | 73 | Folinus, Jeff (1817) | Lost 0-2 | -141602 |
| 8modern | 97 | Belanger, Patrick (1498) | Lost 1-2 | -201582 |
| top | average opponent: 1579record: 5-3 | new rating: 1582 | ||
| Grand Prix San Diego 2015 (ORI standard) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 277 | Udy, Kendrick (1464) | Won 2-0 | +181517 |
| 2standard | 299 | Beach, Harrison (1800) | Won 2-0 | +231540 |
| 3standard | 177 | Yoo, Eric (1714) | Won 2-1 | +211561 |
| 4standard | 135 | Nguyen, Joe (1447) | Won 2-1 | +161577 |
| 5standard | 30 | DePiazza, Michael (1533) | Won 2-0 | +171594 |
| 6standard | 1 | Killeen, Tristan (1639) | Lost 0-2 | -171577 |
| 7standard | 47 | Chatfield, Lawrence (1621) | Lost 0-2 | -181559 |
| 8standard | 86 | Wong, Gary (1895) | Lost 0-2 | -121547 |
| top | average opponent: 1639record: 5-3 | new rating: 1547 | ||
| Grand Prix Sacramento 2014 (THS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 266 | Akright, Trevor (1500) | Won 2-0 | +181518 |
| 2sealed | 268 | Kennedy, Lukas (1518) | Lost 1-2 | -181500 |
| 3sealed | 325 | Lewsadder, Brian (1474) | Won 2-1 | +181518 |
| 4sealed | 164 | DePiazza, Michael (1520) | Won 2-0 | +181536 |
| 5sealed | 68 | Tao, Jiachen (1554) | Lost 0-2 | -181518 |
| 6sealed | 196 | Crane, Marty (1519) | Won 2-1 | +181536 |
| 7sealed | 131 | O'Leary, Sanchez (1522) | Lost 0-2 | -181518 |
| 8sealed | 170 | Mach, Frankie (1491) | Lost 0-2 | -191499 |
| top | average opponent: 1512record: 4-4 | new rating: 1499 | ||