Kokkinos, Constantinos
Current rating: 1480
Record: 4-5
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 106 | Padinha, Stephen (1500) | Won 2-0 | +181518 |
| 2sealed | 180 | Horton, Nathaniel (1518) | Lost 0-2 | -181500 |
| 3sealed | 156 | Fusco, Don (1500) | Won 2-0 | +181518 |
| 4sealed | 140 | Kambourakis, Joseph (1509) | Lost 0-2 | -181500 |
| 5sealed | 177 | Etgar, Amit (1488) | Won 2-1 | +181518 |
| 6sealed | 177 | Morin, Phillip (1484) | Lost 0-2 | -191499 |
| 7sealed | 166 | Mcbroom Ii, John (1501) | Won 2-1 | +181517 |
| 8sealed | 115 | Wicht, Jordan (1477) | Lost 0-2 | -191498 |
| 9sealed | 86 | Livitz, Dimitri G (1499) | Lost 0-2 | -181480 |
| average opponent: 1497record: 4-5 | new rating: 1480 | |||