Maddox, John
Current rating: 1467
Record: 0-2
| Grand Prix San Diego 2011 (ISD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 539 | Tamblyn, Mitchell (1659) | Lost 0-2 | -151485 |
| 2sealed | 565 | Carson, Erik (1481) | Lost 1-2 | -181467 |
| average opponent: 1570record: 0-2 | new rating: 1467 | |||