McClain, Johnathan
Current rating: 1363
Record: 3-11
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1391 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 384 | Brenner, Stefan (1367) | Lost 0-2 | -181373 |
| 2modern | 1030 | Portillo, Avellino (1482) | Won 2-0 | +201393 |
| 3modern | 1108 | Upshaw, Raymond (1441) | Lost 1-2 | -171376 |
| 4modern | 1092 | Gonzalez, Justin (1480) | Won 2-0 | +201396 |
| 5modern | 1174 | Batterman, Danny (1526) | Lost 0-2 | -161380 |
| 6modern | 1014 | Cook, Glenn (1454) | Lost 1-2 | -171363 |
| average opponent: 1459record: 2-4 | new rating: 1363 | |||
| Grand Prix Los Angeles 2016 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 503 | Manos, Zech (1500) | Lost 0-2 | -181482 |
| 2modern | 707 | Williams, Jacob (1484) | Won 2-0 | +181500 |
| 3modern | 690 | Arboleda, Jonar (1463) | Lost 0-2 | -191481 |
| 4modern | 938 | Harduvel, John (1530) | Lost 1-2 | -171464 |
| 5modern | 902 | Grimes, Kyle (1465) | Lost 0-2 | -181446 |
| 6modern | 926 | Tran, Sydney (1413) | Lost 1-2 | -181428 |
| 7modern | 825 | Fondren, Roger (1414) | Lost 0-2 | -191409 |
| 8modern | 703 | Sallume, Devon (1409) | Lost 0-2 | -181391 |
| average opponent: 1460record: 1-7 | new rating: 1391 | |||