Barnes, John
Current rating: 1482
Record: 0-1
| Grand Prix Columbus 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 215 | Newman, Michael (1483) | Lost 0-2 | -181482 |
| record: 0-1 | new rating: 1482 | |||
| Grand Prix Columbus 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 215 | Newman, Michael (1483) | Lost 0-2 | -181482 |
| record: 0-1 | new rating: 1482 | |||