Brenizer, Marshall
Current rating: 1500
Record: 3-3
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 531 | Sigle, Avery (1500) | Won 2-1 | +181518 |
| 2sealed | 15 | Biasetti, Anthony (1468) | Won 2-1 | +171535 |
| 3sealed | 289 | Robert, Francis (1550) | Won 2-1 | +181553 |
| 4sealed | 106 | Metcalf, Scott (1557) | Lost 0-2 | -181535 |
| 5sealed | 303 | Millhauser, Jonathan (1617) | Lost 1-2 | -161519 |
| 6sealed | 454 | Race, Allan (1470) | Lost 1-2 | -191500 |
| average opponent: 1527record: 3-3 | new rating: 1500 | |||