Boatman, Cathy
Current rating: 1499
Record: 6-6
| Grand Prix Toronto 2010 (SOM limited) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 385 | Gravel, Kevin (1514) | Won 2-1 | +181535 |
| 2sealed | 347 | Droge, Kurtis (1615) | Lost 1-2 | -161519 |
| 3sealed | 502 | Hollisian, Christopher (1512) | Won 2-1 | +181537 |
| 4sealed | 527 | Raska, Mark (1491) | Lost 0-2 | -191518 |
| 5sealed | 563 | Deslandes, Maxime (1500) | Lost 0-2 | -191499 |
| average opponent: 1526record: 2-3 | new rating: 1499 | |||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 919 | Boruch, Shane (1500) | Won 2-1 | +181518 |
| 2standard | 709 | Zlotoiabko, Boris (1467) | Lost 1-2 | -191499 |
| 3standard | 916 | Hurst, Brendan J (1499) | Won 2-1 | +181517 |
| 4standard | 871 | Easton, Joe (1519) | Won 2-0 | +181535 |
| 5standard | 686 | Pearson, Ben (1538) | Lost 1-2 | -181517 |
| 6standard | 851 | Casey, Jake A (1518) | Won 2-0 | +181535 |
| 7standard | 774 | Blough, Alex (1540) | Lost 1-2 | -181517 |
| average opponent: 1512record: 4-3 | new rating: 1517 | |||