Buonanno, Mathew
Current rating: 1518
| Grand Prix Philadelphia 2014 (BNG limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 572 | Garcia, Adam (1500) | Won 2-1 | +181500 |
| 2sealed | 98 | Baker, JC (1523) | Won 2-0 | +191519 |
| 3sealed | 37 | Tan, Richard (1560) | Lost 0-2 | -181501 |
| 4sealed | 364 | Fabiano, Gerard (2026) | Won 2-1 | +271528 |
| 5sealed | 286 | Mackl, Valentin (2011) | Lost 0-2 | -101518 |
| top | average opponent: 1724record: 3-2 | new rating: 1518 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 360 | Hagstrom, Joshua (1500) | Won 2-0 | +181520 |
| 2modern | 67 | Stewart, Michael (1546) | Won 2-1 | +181538 |
| 3modern | 274 | Kochis, Michael (1535) | Lost 1-2 | -181520 |
| 4modern | 291 | Veil, Bryan (1466) | Lost 0-2 | -191501 |
| 5modern | 363 | Lara, Brandon (1434) | Lost 0-2 | -191482 |
| top | average opponent: 1496record: 2-3 | new rating: 1482 | ||
| Grand Prix Richmond 2006 (GPT limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 67 | Boettcher, Brandon (1501) | Won 2-0 | +181518 |
| 2sealed | 101 | Kadlec, Robert (1579) | Lost 1-2 | -171501 |
| 3sealed | 114 | An, Kevin (1465) | Won 2-1 | +171518 |
| 4sealed | 148 | Opalka, Jason (1583) | Lost 1-2 | -161502 |
| top | average opponent: 1532record: 2-2 | new rating: 1502 | ||