Irwin, Christopher
Current rating: 1418
| Grand Prix Milwaukee 2018 (GRN standard) | starting rating: 1411 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 93 | Vogel, Adam (1484) | Lost 1-2 | -161395 |
| 2standard | 487 | Farris, Jared (1485) | Won 2-1 | +191414 |
| 3standard | 297 | Buelow, Karl (1507) | Lost 0-2 | -161398 |
| 4standard | 460 | Whittaker-New, Danielle (1417) | Won 2-1 | +181416 |
| 5standard | 407 | Edison, Barry (1483) | Won 2-0 | +191435 |
| 6standard | 298 | Miennert, Alexander (1475) | Lost 0-2 | -171418 |
| top | average opponent: 1475record: 3-3 | new rating: 1418 | ||
| Grand Prix Milwaukee 2016 (KLD limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 170 | Lemke, Nathan (1500) | Draw 1-1 | +11465 |
| 2sealed | 303 | Kluge, Benjamin (1499) | Lost 0-2 | -181447 |
| 3sealed | 528 | Wesley, Zachary (1482) | Lost 1-2 | -171430 |
| 4sealed | 582 | Taylor, Justin (1389) | Lost 0-2 | -191411 |
| top | average opponent: 1468record: 0-3-1 | new rating: 1411 | ||
| Grand Prix Indianapolis 2008 (SHM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 148 | Mccloud, Jared (1500) | Lost 1-2 | -181482 |
| 2sealed | 349 | Ulrich, Justin (1482) | Lost 1-2 | -181464 |
| top | average opponent: 1491record: 0-2 | new rating: 1464 | ||