Latchum, Simon
Current rating: 1415
| Grand Prix Birmingham 2017 (modern) | starting rating: 1443 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 150 | Murphy, Seena (1461) | Lost 1-2 | -171426 |
| 2modern | 645 | Hansen, Callum (1482) | Lost 0-0 | -171409 |
| 3modern | 725 | Snellingen, Simen (1464) | Won 2-1 | +191428 |
| 4modern | 761 | Duquesnoy, Pierre (1559) | Lost 0-2 | -161412 |
| 5modern | 708 | Neves, Vasco (1533) | Won 2-1 | +201432 |
| 6modern | 594 | Aarts, Bram (1481) | Lost 0-2 | -171415 |
| top | average opponent: 1497record: 2-4 | new rating: 1415 | ||
| Grand Prix Utrecht 2017 (AER standard) | starting rating: 1452 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 102 | Greenberg, Daniel (1500) | Lost 1-2 | -171435 |
| 2standard | 366 | Van Vliet, Frank (1486) | Won 2-1 | +191454 |
| 3standard | 336 | den Adel, Elwin (1620) | Lost 1-2 | -151439 |
| 4standard | 516 | Pohl, Mario (1486) | Won 2-0 | +191458 |
| 5standard | 478 | Lombardy, Ray (1448) | Lost 1-2 | -181440 |
| 6standard | 449 | Van De Lagemaat, Wilco (1485) | Won 2-0 | +191459 |
| 7standard | 417 | Fokker, Maurits (1614) | Lost 1-2 | -161443 |
| top | average opponent: 1520record: 3-4 | new rating: 1443 | ||
| Grand Prix Manchester 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 433 | Wagner, Rob C (1748) | Lost 0-2 | -141486 |
| 2standard | 566 | Nilnond, Surathep (1445) | Lost 0-2 | -181468 |
| 4standard | 670 | Pickles, Steven (1365) | Lost 0-2 | -201448 |
| 5standard | 692 | Olsson, Christian (1415) | Won 2-0 | +171465 |
| 6standard | 621 | Jones, Craig (1749) | Lost 1-2 | -131452 |
| top | average opponent: 1544record: 1-4 | new rating: 1452 | ||