Horton, Nathaniel
Current rating: 1485
Record: 2-3
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 200 | Montecalvo, Derek (1500) | Won 2-0 | +181518 |
| 2sealed | 180 | Kokkinos, Constantinos (1518) | Won 2-0 | +181536 |
| 3sealed | 89 | Kaplan, Michael (1536) | Lost 0-2 | -181518 |
| 4sealed | 111 | Berrios, Stephen (1695) | Lost 0-2 | -151503 |
| 5sealed | 168 | Major, Alexander (1500) | Lost 0-2 | -181485 |
| average opponent: 1550record: 2-3 | new rating: 1485 | |||