O'Connor, Kevin B
Current rating: 1452
Record: 3-6
| Grand Prix Charlotte 2015 (modern) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1360 | Thomas, Geoffrey (1798) | Lost 1-2 | -131450 |
| 2modern | 1502 | Head, Joshua (1482) | Won 2-0 | +191469 |
| 3modern | 1518 | Keil, Evan (1500) | Lost 1-2 | -171452 |
| 4modern | 1643 | West, Donald (1448) | Won 2-0 | +181470 |
| 5modern | 1333 | Hilyer, Daniel J (1502) | Lost 0-2 | -181452 |
| average opponent: 1546record: 2-3 | new rating: 1452 | |||
| Grand Prix Richmond 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1480 | Andersen, William (1500) | Lost 0-2 | -181482 |
| 2modern | 1512 | Lacoste, Steven (1418) | Lost 1-2 | -191463 |
| 3modern | 1643 | Lin, Xin (1463) | Won 2-0 | +181481 |
| 4modern | 1436 | Wu, Feng (1466) | Lost 0-2 | -181463 |
| average opponent: 1462record: 1-3 | new rating: 1463 | |||