Dyson, David
Current rating: 1499
Record: 16-17
| Grand Prix London 2019 (WAR sealed) | starting rating: 1478 | |||
| round | table | opponent (rating) | result | Δrating |
| B1sealed | 1065 | Hoffmann, Nico (1500) | Won 2-1 | +181496 |
| B2sealed | 882 | Kongstad, Mikkel (1497) | Won 2-0 | +181514 |
| B3sealed | 887 | Jones, Declan (1495) | Won 2-1 | +181532 |
| B4sealed | 890 | Benczedi, Jozsef (1621) | Lost 0-2 | -171515 |
| B5sealed | 934 | Grill, Eric (1628) | Lost 1-2 | -161499 |
| top | average opponent: 1548record: 3-2 | new rating: 1499 | ||
| Grand Prix London 2015 (ORI standard) | starting rating: 1496 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 459 | Wardman, Brian (1500) | Lost 0-2 | -181478 |
| top | record: 0-1 | new rating: 1478 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1496 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1263 | Broerse, Lien (1500) | Won 2-0 | +181514 |
| 2sealed | 1255 | Kluiters, Maarten (1518) | Won 2-0 | +181532 |
| 3sealed | 1054 | Ames, Chris (1536) | Lost 0-2 | -181514 |
| 4sealed | 1288 | Chalk, Aidan (1477) | Lost 1-2 | -181496 |
| top | average opponent: 1508record: 2-2 | new rating: 1496 | ||
| Grand Prix Liverpool 2015 (FRF limited) | starting rating: 1473 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 447 | Amaya Gonzalez, Manuel (1510) | Won 2-0 | +181491 |
| 2sealed | 44 | Rolph, Sam-Luca (1630) | Lost 1-2 | -151476 |
| 3sealed | 527 | Waugh, Nick (1479) | Lost 1-2 | -181458 |
| 4sealed | 573 | Olender, Bernard (1447) | Won 2-0 | +181476 |
| 5sealed | 633 | Sekkoum, Sammy (1482) | Won 2-1 | +181494 |
| 6sealed | 312 | Cooper, Adam (1522) | Won 2-0 | +181512 |
| 7sealed | 196 | Swan, Alexander (1603) | Lost 0-2 | -161496 |
| top | average opponent: 1525record: 4-3 | new rating: 1496 | ||
| Grand Prix Manchester 2014 (Theros block) | starting rating: 1509 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 420 | Dygnas, Jonathan (1500) | Lost 0-2 | -181491 |
| 2block | 525 | Harman, Keiron (1482) | Lost 0-2 | -181473 |
| top | average opponent: 1491record: 0-2 | new rating: 1473 | ||
| Grand Prix London 2013 (GTC limited) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 572 | Flounders, Ben (1532) | Won 2-1 | +201486 |
| 2sealed | 108 | Gruson, Matthieu (1548) | Won 2-1 | +191505 |
| 3sealed | 264 | Geach, James R (1508) | Lost 1-2 | -181487 |
| 4sealed | 491 | Metodier, Teodor (1518) | Won 2-0 | +181505 |
| 5sealed | 266 | Verner, Lukas (1401) | Won 2-1 | +161521 |
| 6sealed | 73 | Snarheim, Dagfinn (1633) | Won 2-0 | +201541 |
| 7sealed | 161 | Van der Paelt, Thomas (1648) | Lost 1-2 | -161525 |
| 8sealed | 251 | Been, Iso (1624) | Lost 0-2 | -161509 |
| top | average opponent: 1551record: 5-3 | new rating: 1509 | ||
| Grand Prix Manchester 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 528 | Plagge, Rainer (1480) | Won 2-0 | +181518 |
| 2sealed | 439 | Wintero, Morten (1536) | Won 2-0 | +181536 |
| 3sealed | 408 | Orsini Jones, Matteo (1805) | Lost 1-2 | -131523 |
| 4sealed | 502 | Kimmett, Roth (1515) | Lost 0-2 | -181505 |
| 5sealed | 575 | Hough, Philip (1376) | Lost 0-2 | -211484 |
| 6sealed | 583 | Chong, Allan Wan Loon (1486) | Lost 0-2 | -181466 |
| top | average opponent: 1533record: 2-4 | new rating: 1466 | ||