Tosh, Mathew
Current rating: 1429
Record: 9-14
| Grand Prix Birmingham 2019 (modern) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 27 | Arsuaga, Fermin (1461) | Lost 1-2 | -181427 |
| 2modern | 289 | Posavi, Ivica (1387) | Lost 1-2 | -181409 |
| 3modern | 444 | Dippon, Andreas (1580) | Won 2-1 | +211430 |
| 4modern | 309 | Cheshire, Daniel (1485) | Won 2-1 | +191449 |
| 5modern | 322 | Zeal, Dominic (1631) | Won 2-1 | +211470 |
| 6modern | 253 | Basoli, Alessandro (1526) | Won 2-1 | +191489 |
| 7modern | 115 | Boudeghdegh, Lotfi (1514) | Won 2-1 | +191508 |
| 8modern | 65 | Lair, Frederic (1543) | Won 2-0 | +181526 |
| 9modern | 44 | Soriente, Gregorio (1735) | Lost 0-2 | -141512 |
| 10modern | 71 | Richardson, Josh (1559) | Lost 0-2 | -171495 |
| 11modern | 75 | Tregilgas, Conner (1512) | Lost 0-2 | -181477 |
| 12modern | 82 | Lindroth, Niklas (1472) | Lost 1-2 | -181459 |
| 14modern | 74 | Thurmann, Martin (1536) | Lost 0-2 | -171442 |
| 15modern | 79 | Carmichael, Simon (1678) | Lost 1-2 | -131429 |
| average opponent: 1544record: 6-8 | new rating: 1429 | |||
| Grand Prix Birmingham 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 388 | Garcia Guerrero, Luis (1625) | Lost 1-2 | -161484 |
| 2modern | 539 | Salamin, Olivier (1435) | Lost 0-0 | -191465 |
| 3modern | 826 | Fletcher, Kurt (1447) | Lost 0-2 | -181447 |
| 4modern | 835 | Ward, Patrick (1428) | Lost 1-2 | -181429 |
| 5modern | 810 | Furmston, Thomas (1429) | Won 2-0 | +181447 |
| 6modern | 751 | Colonel, Michael (1393) | Lost 0-2 | -191428 |
| 7modern | 684 | Dubar, Elodie (1428) | Won 2-0 | +181446 |
| 8modern | 594 | Atherley, David (1445) | Won 2-1 | +181464 |
| 9modern | 518 | Ferreira, Rosa (1435) | Lost 0-2 | -191445 |
| average opponent: 1452record: 3-6 | new rating: 1445 | |||