Britt, John Marshall
Current rating: 1521
Record: 4-3
| Grand Prix San Antonio 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 103 | Stewart, Joshua 2 (1500) | Won 2-0 | +181518 |
| 2standard | 142 | Jacobo, Roman (1518) | Won 2-1 | +181536 |
| 3standard | 75 | Scheneimann, Alex (1536) | Lost 0-2 | -181518 |
| 4standard | 125 | Poole, Brooke (1516) | Won 2-1 | +181536 |
| 5standard | 106 | Chapa, Rodrigo (1535) | Lost 1-2 | -181518 |
| 6standard | 146 | Garcia, Alex W (1518) | Won 2-1 | +181536 |
| 7standard | 131 | Bush, Eric (1678) | Lost 1-2 | -151521 |
| average opponent: 1543record: 4-3 | new rating: 1521 | |||