Ritter, Joshua
Current rating: 1400
| Grand Prix Albuquerque 2016 (SOI limited) | starting rating: 1398 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 297 | Gloshay, Seth (1500) | Won 2-0 | +201418 |
| 2sealed | 107 | Vigil, Daniel (1538) | Lost 0-2 | -161402 |
| 3sealed | 401 | Sawyer, Shandy (1498) | Lost 0-2 | -161386 |
| 4sealed | 480 | Birchfield, Ryan (1484) | Won 2-0 | +201406 |
| 5sealed | 420 | Rasor, Robert (1531) | Lost 0-2 | -161390 |
| 6sealed | 437 | Stroh, David (1481) | Won 2-1 | +191409 |
| 7sealed | 323 | Guo, Michelle (1416) | Won 2-0 | +191428 |
| 8sealed | 270 | Wiznitzer, Aryeh (1867) | Lost 0-2 | -111417 |
| 9sealed | 284 | Gray, Jeremy (1447) | Lost 0-2 | -171400 |
| top | average opponent: 1529record: 4-5 | new rating: 1400 | ||
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 25 | Ivy, Corey (1500) | Lost 0-2 | -171432 |
| 3sealed | 422 | McGlynn, Shamus (1466) | Lost 1-2 | -171415 |
| 4sealed | 391 | Bovill, Rob (1479) | Lost 0-2 | -171398 |
| top | average opponent: 1482record: 0-3 | new rating: 1398 | ||
| Grand Prix Phoenix 2014 (BNG standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 131 | Fader, Kyle (1504) | Won 2-0 | +181518 |
| 3standard | 253 | McFadden, Sam (1500) | Lost 0-2 | -181500 |
| 4standard | 348 | Dendiger, Rand (1522) | Lost 1-2 | -181482 |
| 5standard | 319 | Maleszewski, Chet (1525) | Lost 1-2 | -171465 |
| 6standard | 470 | Napper, Josh (1593) | Lost 0-2 | -161449 |
| top | average opponent: 1529record: 1-4 | new rating: 1449 | ||