Brown, Jonathan [ENG]
Current rating: 1470
| Grand Prix London 2019 (WAR sealed) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| A1sealed | 27 | Paulsen, Kim Are (1424) | Lost 1-2 | -191483 |
| A2sealed | 226 | Constantine, Jack (1486) | Won 1-0 | +181501 |
| A3sealed | 182 | Delouye, Adrien (1440) | Lost 0-2 | -191482 |
| A4sealed | 220 | Jansen, Kevin (1465) | Lost 1-2 | -181464 |
| C1sealed | 460 | Greenwood, Elliot (1500) | Won 2-0 | +181482 |
| C2sealed | 113 | Van Heijst, Wouter (1560) | Won 2-1 | +201502 |
| C3sealed | 57 | Diekjobst, Lukas (1700) | Lost 1-2 | -151487 |
| C4sealed | 108 | Simons, David (1529) | Lost 1-2 | -171470 |
| top | average opponent: 1513record: 3-5 | new rating: 1470 | ||
| Grand Prix Liverpool 2017 (XLN limited) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 310 | Simons, David (1482) | Won 2-0 | +181498 |
| 2sealed | 261 | Leroy, Yannick (1868) | Lost 1-2 | -111487 |
| 3sealed | 285 | Round, Thomas (1286) | Lost 1-2 | -221465 |
| 4sealed | 407 | Berges, Alvaro (1481) | Won 2-1 | +181483 |
| 5sealed | 391 | Thompson, Richard [IRL] (1530) | Won 2-1 | +191502 |
| 6sealed | 206 | Barnes, Aidan (1522) | Lost 0-2 | -171485 |
| 7sealed | 351 | Atherley, David (1452) | Won 2-1 | +171502 |
| 8sealed | 244 | Simmonds, Michael (1531) | Won 2-1 | +181520 |
| 9sealed | 215 | FitzGerald, Daniel (1518) | Lost 0-2 | -181502 |
| top | average opponent: 1519record: 5-4 | new rating: 1502 | ||
| Grand Prix London 2016 (KLD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 647 | Brame, Daniel (1429) | Won 2-1 | +171517 |
| 2sealed | 576 | Robertson, Stephen (1498) | Lost 0-2 | -191498 |
| 3sealed | 961 | Murray, Isaac (1499) | Won 2-0 | +181516 |
| 4sealed | 389 | Beavis, Warren (1524) | Won 2-1 | +191535 |
| 5sealed | 293 | Faucher, Julien (1557) | Lost 1-2 | -181517 |
| 6sealed | 563 | Yates, Owen (1474) | Won 2-0 | +171534 |
| 7sealed | 437 | Richards, Thomas (1567) | Lost 0-2 | -171517 |
| 8sealed | 532 | Falcone, Claudia (1519) | Lost 0-2 | -181499 |
| 9sealed | 518 | Chrobot, Aleksander (1465) | Lost 0-2 | -191480 |
| top | average opponent: 1503record: 4-5 | new rating: 1480 | ||