O'Neil, Chaz
Current rating: 1431
Record: 2-6
| Grand Prix Madison 2019 (WAR limited) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 34 | Edstrom, Timothy (1565) | Lost 1-2 | -161467 |
| 2sealed | 335 | Adams, Bill (1449) | Lost 0-2 | -191448 |
| 3sealed | 447 | Vang, Tee (1477) | Lost 0-2 | -171431 |
| average opponent: 1497record: 0-3 | new rating: 1431 | |||
| Grand Prix Minneapolis 2018 (M19 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 188 | Christopher, Brice (1500) | Won 2-1 | +181518 |
| 2sealed | 158 | Reiser, Michael (1516) | Lost 0-2 | -181500 |
| 3sealed | 379 | Bulger, Tim (1579) | Lost 1-2 | -171483 |
| 4sealed | 476 | Clinton, James (1479) | Won 2-1 | +181501 |
| 5sealed | 370 | Feigel, Christina (1494) | Lost 1-2 | -181483 |
| average opponent: 1514record: 2-3 | new rating: 1483 | |||