Trotter, John G
Current rating: 1464
Record: 5-7-2
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 397 | Barnes, Stephen (1448) | Draw 1-1 | -11501 |
| 2sealed | 452 | Benton, Danny (1429) | Won 2-1 | +161517 |
| 3sealed | 13 | Nijhawan, Rishi (1591) | Lost 1-2 | -161501 |
| 4sealed | 583 | Heleen, Nikolas (1499) | Lost 0-2 | -181483 |
| 5sealed | 671 | Prior, Chris (1469) | Lost 1-2 | -191464 |
| average opponent: 1487record: 1-3-1 | new rating: 1464 | |||
| Grand Prix Baltimore 2012 (DKA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 257 | Suriel, Eliazar (1500) | Lost 0-2 | -181482 |
| 2standard | 565 | Beach, Kevin (1482) | Won 2-0 | +181500 |
| 3standard | 566 | Garcia, Chris B (1498) | Draw 1-1 | 01500 |
| 4standard | 523 | Clark, Jason P (1482) | Lost 0-2 | -181482 |
| 5standard | 608 | COLLINS, PAUL (1481) | Won 2-0 | +181500 |
| 6standard | 475 | Hopkins, Kevin (1486) | Won 2-0 | +171517 |
| 7standard | 351 | Usner, Jacob (1486) | Lost 0-2 | -181499 |
| 8standard | 330 | HEWITT, DAMON G (1497) | Won 2-0 | +181517 |
| 9standard | 239 | McGraw, Bryan (1666) | Lost 0-2 | -151502 |
| average opponent: 1509record: 4-4-1 | new rating: 1502 | |||