Nishimura, Ko
Current rating: 1574
Record: 6-2-1
| Grand Prix Boston 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 97 | Pittman, Colin (1500) | Lost 1-2 | -181482 |
| 2sealed | 196 | Lanier, David (1482) | Won 2-0 | +181500 |
| 3sealed | 143 | Powers, Barbara (1500) | Won 2-0 | +181518 |
| 4sealed | 177 | Sorel, Derek (1516) | Won 2-1 | +181536 |
| 5sealed | 46 | White, Jeremy (1624) | Lost 1-2 | -161520 |
| 6sealed | 124 | Beverley, Matthew (1536) | Won 2-1 | +181538 |
| 7sealed | 61 | Pollock, Elijah (1472) | Won 2-1 | +171555 |
| 8sealed | 60 | Wu, George (1559) | Draw 1-1 | 01555 |
| 9sealed | 56 | Schmidt, Gordon (1613) | Won 2-1 | +191574 |
| average opponent: 1534record: 6-2-1 | new rating: 1574 | |||