Mester, James
Current rating: 1437
| Grand Prix Toronto 2013 (THS limited) | starting rating: 1473 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 209 | Putignano, Marcus (1500) | Lost 1-2 | -181455 |
| 2sealed | 528 | Chan, Eric (1398) | Lost 0-2 | -191436 |
| 3sealed | 699 | Hunter, Joshua (1494) | Won 2-1 | +191455 |
| 4sealed | 549 | Tepylo, Alek (1447) | Lost 1-2 | -181437 |
| top | average opponent: 1460record: 1-3 | new rating: 1437 | ||
| Grand Prix Detroit 2013 (modern) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 386 | Preda, Ciprian (1471) | Lost 1-2 | -171446 |
| 2modern | 416 | Duncan, Chris (1438) | Lost 0-0 | -191427 |
| 3modern | 594 | Bader III, James (1464) | Won 2-0 | +191446 |
| 4modern | 502 | Kronenberger, Chris (1725) | Lost 0-2 | -131433 |
| 5modern | 620 | CAMP, SCOTT d (1462) | Won 2-0 | +191452 |
| 6modern | 515 | Nakamura, Robert (1484) | Won 2-1 | +181470 |
| 7modern | 369 | Milmine, Tyler (1467) | Draw 0-0 | 01470 |
| 8modern | 163 | Poltorak, Darren (1499) | Won 2-1 | +191489 |
| 9modern | 242 | Cheng, Jonathan (1590) | Lost 1-2 | -161473 |
| top | average opponent: 1511record: 4-4-1 | new rating: 1473 | ||
| Grand Prix Toronto 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 124 | Hurst, Cameron (1500) | Lost 0-2 | -181482 |
| 2modern | 347 | Jamieson-eckel, Esmonde (1482) | Won 2-1 | +181500 |
| 3modern | 273 | MacDougall, Peter (1499) | Lost 1-2 | -181482 |
| 4modern | 362 | Li, David (1454) | Lost 0-2 | -191463 |
| top | average opponent: 1484record: 1-3 | new rating: 1463 | ||