Granstrom, Donald
Current rating: 1580
Record: 18-15
| Grand Prix Brussels 2020 (pioneer) | starting rating: 1547 | |||
| round | table | opponent (rating) | result | Δrating |
| 3pioneer | 123 | Groot, Wessel (1613) | Lost 1-2 | -171530 |
| 4pioneer | 472 | Quinn, Fabian (1536) | Won 2-1 | +181548 |
| 5pioneer | 257 | Abcouwer, Friso (1696) | Won 2-1 | +211569 |
| 6pioneer | 106 | Vervoort, Max (1601) | Won 2-1 | +181587 |
| 7pioneer | 41 | Lupalo, Kirill (1634) | Won 2-0 | +191606 |
| 8pioneer | 59 | Juote, Jesse (1735) | Lost 1-2 | -151591 |
| 9pioneer | 119 | Wu, Yanfei (1566) | Won 2-0 | +171608 |
| 10pioneer | 54 | Brand, Anjo (1689) | Lost 1-2 | -161592 |
| 11pioneer | 104 | Ammirata, Antonino (1715) | Won 2-0 | +201612 |
| 12pioneer | 95 | Budde, Christopher (1830) | Lost 1-2 | -141598 |
| 13pioneer | 118 | Brouwer, Kevin (1584) | Lost 1-2 | -181580 |
| top | average opponent: 1654record: 6-5 | new rating: 1580 | ||
| Grand Prix Lyon 2019 (ELD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 95 | Krawies, Martin (1493) | Won 2-0 | +181518 |
| 2standard | 115 | Hostettler, Christophe (1778) | Lost 1-2 | -141504 |
| 3standard | 266 | Viennet, Pierre (1496) | Won 2-1 | +181522 |
| 4standard | 258 | Muhlhaus, Florian (1515) | Won 2-0 | +181540 |
| 5standard | 161 | Diaz, Mickael (1543) | Won 2-0 | +181558 |
| 6standard | 112 | Avila Fores, Raul (1891) | Won 2-1 | +241582 |
| 7standard | 20 | Da Cunha, Charles (1676) | Lost 1-2 | -161566 |
| 8standard | 119 | Masson, Donatien (1517) | Lost 1-2 | -191547 |
| top | average opponent: 1614record: 5-3 | new rating: 1547 | ||
| Grand Prix Bilbao 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 284 | Bellemin, Damien (1575) | Won 2-0 | +201520 |
| 4modern | 30 | Cordobes Gel, Albert (1484) | Won 2-1 | +171537 |
| 5modern | 20 | Csente, David (1550) | Lost 0-2 | -181519 |
| 6modern | 104 | Ribeiro, Filipe (1464) | Lost 0-2 | -191500 |
| 7modern | 327 | Cuervo, Inigo (1471) | Won 2-1 | +181518 |
| 8modern | 151 | Peinado, Javier (1519) | Lost 1-2 | -181500 |
| top | average opponent: 1510record: 3-3 | new rating: 1500 | ||
| Grand Prix Stockholm 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 234 | Solverod, Finn Erik (1650) | Lost 0-2 | -151485 |
| 2modern | 458 | Samih, Azdean (1482) | Won 2-0 | +181503 |
| 3modern | 453 | Penarroya Rodriguez, Pelayo (1501) | Won 2-1 | +181521 |
| 4modern | 313 | Solin, Jonatan (1481) | Won 2-0 | +171538 |
| 5modern | 183 | Vainio, Aki (1415) | Lost 1-2 | -201518 |
| 6modern | 234 | Kreijne, Jeroen (1542) | Won 2-0 | +181536 |
| 7modern | 140 | Jouste, Erkka (1497) | Lost 0-2 | -191517 |
| 8modern | 209 | Bengtsson, Linus (1574) | Lost 1-2 | -171500 |
| top | average opponent: 1518record: 4-4 | new rating: 1500 | ||