Bonner, Mark
Current rating: 1453
Record: 0-3
| Regional Championships Toronto 2023 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 87 | Robdrup, Andy (1725) | Lost 0-2 | -141486 |
| 2pioneer | 89 | Bellavance, Arno (1481) | Lost 1-2 | -181468 |
| 3pioneer | 138 | Ho, William (1651) | Lost 1-2 | -151453 |
| average opponent: 1619record: 0-3 | new rating: 1453 | |||