Grogan, Jonathan
Current rating: 1405
Record: 6-13-2
| Grand Prix Atlanta 2017 (XLN standard) | starting rating: 1415 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 27 | Rivera, Israel (1491) | Lost 0-2 | -171398 |
| 2standard | 439 | Nguyen, Mike (1493) | Won 2-1 | +201418 |
| 3standard | 492 | Gille, Brandon (1527) | Draw 1-1 | +21420 |
| 4standard | 453 | Tanner, Chris (1465) | Won 2-0 | +191439 |
| 5standard | 301 | Byrne, Christopher (1503) | Lost 1-2 | -171422 |
| 6standard | 412 | Jarbeau, Ben (1499) | Lost 0-2 | -171405 |
| top | average opponent: 1496record: 2-3-1 | new rating: 1405 | ||
| Grand Prix Minneapolis 2016 (SOI standard) | starting rating: 1397 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 278 | Gunn, Alex (1500) | Draw 0-0 | +11398 |
| 2standard | 347 | Gordon, Sean (1498) | Lost 1-2 | -161382 |
| 3standard | 610 | Oswalt Jr., Jonathan (1483) | Won 2-0 | +201402 |
| 4standard | 479 | Olesberg, Michael (1552) | Won 2-0 | +211423 |
| 5standard | 338 | Ryan, Jacob (1526) | Won 2-1 | +201443 |
| 6standard | 209 | Rokne, Olav (1509) | Lost 1-2 | -171426 |
| 7standard | 313 | Klusa, Mark (1819) | Lost 0-2 | -111415 |
| top | average opponent: 1555record: 3-3-1 | new rating: 1415 | ||
| Grand Prix New York 2016 (SOI standard) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 442 | Long, Matthew (1652) | Lost 1-2 | -151450 |
| 4standard | 489 | Kurant, Michael (1504) | Lost 0-2 | -171433 |
| 5standard | 533 | Baker, Steve (1332) | Lost 0-2 | -201413 |
| 6standard | 659 | Dolliver, Joel (1487) | Lost 1-2 | -161397 |
| top | average opponent: 1494record: 0-4 | new rating: 1397 | ||
| Grand Prix Houston 2016 (OGW standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 407 | Nargi, Armando (1500) | Won 2-1 | +181518 |
| 2standard | 347 | Napolitano, Joseph (1518) | Lost 1-2 | -181500 |
| 3standard | 569 | Buttrum, Jon (1500) | Lost 1-2 | -181482 |
| 4standard | 787 | Wood, Tanner (1517) | Lost 0-2 | -171465 |
| top | average opponent: 1509record: 1-3 | new rating: 1465 | ||