Kobayashi, Matthew H
Current rating: 1536
Record: 5-3
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 116 | Boettcher, Jared (1500) | Won 2-1 | +181518 |
| 2sealed | 165 | Pargh, David (1467) | Lost 1-2 | -191499 |
| 3sealed | 279 | Kemper, Greg (1505) | Lost 0-2 | -181481 |
| 4sealed | 246 | Peng, William (1481) | Won 2-1 | +181499 |
| 5sealed | 166 | Evans, Michael J (1500) | Won 2-1 | +181517 |
| 6sealed | 182 | Boccio, Matthew (1548) | Won 2-0 | +191536 |
| 7sealed | 74 | Lewis, Jonathan D (1492) | Won 2-1 | +171553 |
| 8sealed | 71 | Sanguinetti, James (1602) | Lost 1-2 | -171536 |
| average opponent: 1512record: 5-3 | new rating: 1536 | |||