Toole, Duncan
Current rating: 1482
Record: 4-5
| Grand Prix San Diego 2011 (ISD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 111 | Akiyama, Justin (1500) | Won 2-0 | +181518 |
| 2sealed | 56 | Gade, Brandon (1559) | Lost 1-2 | -171501 |
| 3sealed | 95 | Lowenstein, Matt A (1500) | Won 2-0 | +181519 |
| 4sealed | 118 | Gorman, Vivian (1476) | Lost 0-2 | -191500 |
| 5sealed | 205 | Cariaga, Glenn (1482) | Won 2-1 | +181518 |
| 6sealed | 124 | Kofoed, Janus (1561) | Lost 1-2 | -181500 |
| 7sealed | 137 | Siller, Jon (1503) | Lost 1-2 | -181482 |
| 8sealed | 128 | Maleszewski, Chet (1486) | Lost 0-2 | -171465 |
| 9sealed | 118 | Patague, Jr (1449) | Won 2-0 | +171482 |
| average opponent: 1502record: 4-5 | new rating: 1482 | |||