Doreth, Christian
Current rating: 1447
| Grand Prix Birmingham 2019 (modern) | starting rating: 1420 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 214 | Lievesley, Tom (1451) | Lost 0-2 | -181402 |
| 2modern | 318 | Kynoch, Douglas (1448) | Lost 1-2 | -171385 |
| 3modern | 407 | Cavalcanti, Pedro (1617) | Lost 1-2 | -141371 |
| 4modern | 422 | Templeman, Christopher (1449) | Won 2-1 | +201391 |
| 5modern | 367 | Wilkes, Johnathan (1398) | Won 2-1 | +181409 |
| 6modern | 279 | Jocelyn, Multrier (1483) | Won 2-1 | +191428 |
| 7modern | 212 | Irons, Sonny (1407) | Won 2-0 | +181446 |
| 8modern | 174 | Wilder, Harriet (1544) | Draw 1-1 | +11447 |
| top | average opponent: 1475record: 4-3-1 | new rating: 1447 | ||
| Grand Prix Prague 2018 (modern) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 271 | del Riego, Rafael (1543) | Won 2-0 | +191507 |
| 2modern | 330 | Post, Christian (1517) | Lost 1-2 | -181489 |
| 3modern | 699 | Wieser, Markus (1491) | Won 2-1 | +181507 |
| 4modern | 493 | Violette, Aurelie (1404) | Lost 1-2 | -201487 |
| 5modern | 495 | Bischof, Marc (1489) | Lost 1-2 | -181469 |
| 6modern | 656 | Schwack, Fabian (1481) | Lost 0-2 | -181451 |
| 7modern | 634 | Faber, Tom-Niklas (1568) | Lost 0-2 | -151436 |
| 8modern | 649 | Piatkowski, Lukasz (1548) | Lost 0-2 | -161420 |
| top | average opponent: 1505record: 2-6 | new rating: 1420 | ||
| Grand Prix London 2018 (RIX limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 347 | Freis, Matthias (1651) | Won 2-1 | +211521 |
| 2sealed | 136 | Culver, Jon (1544) | Won 2-0 | +181539 |
| 3sealed | 386 | Kaplan, Yohay (1655) | Lost 0-2 | -161523 |
| 4sealed | 460 | Amaya Gonzalez, Manuel (1569) | Lost 0-2 | -171506 |
| 5sealed | 601 | De Waegeneer, Stevie (1422) | Won 2-1 | +171523 |
| 6sealed | 464 | Lankester, Martin (1510) | Lost 1-2 | -191504 |
| 7sealed | 536 | Brown, Christopher [ENG] (1586) | Lost 1-2 | -161488 |
| top | average opponent: 1562record: 3-4 | new rating: 1488 | ||