Gribbin, Sean
Current rating: 1541
Record: 9-7-1
| Grand Prix Charlotte 2016 (modern) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 441 | Ross, Gabriel (1500) | Won 2-0 | +181536 |
| 2modern | 81 | Bentley, Brent (1525) | Won 2-0 | +171553 |
| 3modern | 435 | Barcus, William (1536) | Won 2-0 | +181571 |
| 4modern | 39 | Mason, Donald (1483) | Lost 1-2 | -201551 |
| 5modern | 408 | Bedford, Tyler (1687) | Lost 1-2 | -151536 |
| 6modern | 313 | Cuellar, David (1575) | Lost 1-2 | -171519 |
| 7modern | 677 | Lolli, Aaron (1535) | Won 2-1 | +181537 |
| 8modern | 380 | Spears, Paul (1620) | Won 2-0 | +191556 |
| 9modern | 276 | Harabas, Chris (1718) | Lost 0-2 | -151541 |
| average opponent: 1575record: 5-4 | new rating: 1541 | |||
| Grand Prix Orlando 2014 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 842 | Wong, Bernice (1500) | Won 2-0 | +181518 |
| 2sealed | 765 | Shockley, Ronald (1506) | Lost 1-2 | -181500 |
| 3sealed | 389 | Goodwine, Aaron (1500) | Draw 1-1 | 01500 |
| 4sealed | 331 | Hartsfield, Jason (1500) | Won 0-0 | +181518 |
| 5sealed | 232 | Giguere, Anthony (1499) | Won 2-1 | +171535 |
| 6sealed | 147 | Piedra, Christopher (1564) | Lost 0-2 | -171518 |
| 7sealed | 206 | Gipson, Tripper (1547) | Won 2-0 | +191537 |
| 8sealed | 142 | Chirichello, Carmine (1503) | Lost 0-2 | -191518 |
| average opponent: 1515record: 4-3-1 | new rating: 1518 | |||