Charbonneau, John
Current rating: 1456
Record: 0-3
| Grand Prix Denver 2019 (M20 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 48 | Leigh, Donald (1766) | Lost 0-2 | -131487 |
| 2standard | 192 | Tang, Jeffrey (1809) | Lost 1-2 | -131474 |
| 3standard | 291 | Bradford, Ethan (1465) | Lost 0-2 | -181456 |
| average opponent: 1680record: 0-3 | new rating: 1456 | |||