Brittain, Jacob
Current rating: 1407
Record: 5-11
| Grand Prix Seattle 2018 (standard) (RIX standard) | starting rating: 1390 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 191 | Molloy, John (1453) | Lost 0-2 | -161374 |
| 2standard | 469 | Montoya, Adrian (1485) | Lost 0-2 | -161358 |
| 3standard | 608 | Munger, James (1463) | Won 2-0 | +201378 |
| 4standard | 619 | Aleksandrov, Kirill (1465) | Lost 1-2 | -171361 |
| 5standard | 560 | Lageson, Jeffrey (1456) | Won 2-0 | +201381 |
| 6standard | 449 | Schmitte, Phillip (1481) | Won 2-0 | +201401 |
| 7standard | 369 | Zhang, Jonathan (1654) | Won 2-1 | +221423 |
| 8standard | 244 | Massaro, Michael (1521) | Lost 0-2 | -161407 |
| average opponent: 1497record: 4-4 | new rating: 1407 | |||
| Grand Prix Vancouver 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 2250 | Gillis, Sean (1496) | Lost 0-2 | -181482 |
| 2modern | 2446 | Koch, Alexander (1499) | Lost 0-2 | -181464 |
| 3modern | 2703 | MacLean, Ian (1463) | Won 2-0 | +181482 |
| 4modern | 2542 | Campbell, Aaron (1592) | Lost 1-2 | -161466 |
| 5modern | 2606 | Halton, Joseph (1306) | Lost 1-2 | -211445 |
| 6modern | 2625 | Frederiksson, Anthony (1349) | Lost 1-2 | -191426 |
| 7modern | 2567 | Noskiye, Kane (1432) | Lost 0-2 | -181408 |
| 8modern | 2478 | Warren, Ben 2 (1448) | Lost 0-2 | -181390 |
| average opponent: 1448record: 1-7 | new rating: 1390 | |||