Booker, James
Current rating: 1454
Record: 6-9
| Grand Prix Detroit 2013 (modern) | starting rating: 1507 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 59 | Skoyles, Adam (1500) | Lost 1-2 | -181489 |
| 2modern | 440 | Skorik, Andrew (1467) | Won 0-0 | +181507 |
| 3modern | 438 | Stenborg, Michael (1667) | Won 2-1 | +211528 |
| 4modern | 381 | Perry, Brian D (1549) | Lost 1-2 | -181510 |
| 5modern | 514 | Jamieson, Chris [USA] (1469) | Won 2-0 | +171527 |
| 6modern | 275 | Moffitt, James (1529) | Lost 0-2 | -181509 |
| 7modern | 403 | Winiarski, Joe (1484) | Lost 0-0 | -181491 |
| 8modern | 337 | Cox, Douglas (1468) | Lost 0-2 | -191472 |
| 9modern | 316 | Henderson, Douglas (1440) | Lost 0-2 | -181454 |
| average opponent: 1508record: 3-6 | new rating: 1454 | |||
| Grand Prix Indianapolis 2013 (RTR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 51 | Kremer, Rob (1500) | Won 2-0 | +181518 |
| 3sealed | 95 | Kwan, Michael (1737) | Lost 0-2 | -141504 |
| 4sealed | 139 | Andersen, Christoffer (1771) | Lost 1-2 | -131491 |
| 5sealed | 290 | Cheng, Jonathan (1520) | Lost 1-2 | -181473 |
| 6sealed | 81 | Hansen, Darrell (1485) | Won 2-0 | +181491 |
| 7sealed | 210 | Miller, Casey 2 (1364) | Won 2-1 | +161507 |
| average opponent: 1563record: 3-3 | new rating: 1507 | |||