Boerma, Arjan
Current rating: 1390
Record: 7-14-1
| Grand Prix Lille 2015 (legacy) | starting rating: 1415 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 387 | Seropian, Geoffrey (1500) | Lost 1-2 | -161399 |
| 2legacy | 372 | Knaepen, Maarten (1471) | Won 2-0 | +191418 |
| 3legacy | 429 | Obrist, Matthias (1498) | Lost 0-2 | -171401 |
| 4legacy | 562 | Fera, Fabio (1422) | Won 2-1 | +191420 |
| 5legacy | 464 | Sjodahl, Gottfrid (1624) | Lost 1-2 | -151405 |
| 6legacy | 550 | Hurrell, Steven (1464) | Won 2-0 | +191424 |
| 7legacy | 372 | Kruzic, Patrik (1449) | Lost 0-2 | -171407 |
| 8legacy | 345 | Timani, Chebly (1421) | Lost 0-2 | -181389 |
| 9legacy | 304 | Raffoux, Benjamin (1459) | Draw 1-1 | +11390 |
| top | average opponent: 1479record: 3-5-1 | new rating: 1390 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1426 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2321 | Baert, Jiri (1658) | Won 2-1 | +231449 |
| 2sealed | 2199 | Nothias, Olivier (1582) | Lost 1-2 | -161433 |
| 3sealed | 2392 | van Wingerden, Tessa (1434) | Lost 1-2 | -181415 |
| top | average opponent: 1558record: 1-2 | new rating: 1415 | ||
| Grand Prix Madrid 2014 (modern) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 196 | Carro, Jorge (1374) | Lost 1-2 | -201482 |
| 2modern | 498 | bodelon, santiago (1482) | Lost 0-2 | -181464 |
| 3modern | 836 | Torrontera, Ivan (1358) | Lost 1-2 | -201444 |
| 4modern | 926 | Ayllon, Rafael (1464) | Lost 1-2 | -181426 |
| top | average opponent: 1420record: 0-4 | new rating: 1426 | ||
| Grand Prix Utrecht 2014 (M15 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 405 | van de Giessen, Renier (1476) | Won 2-1 | +181518 |
| 2standard | 75 | Filatriau, Franck (1577) | Won 2-1 | +191537 |
| 3standard | 93 | Ehmann, Christian (1659) | Lost 0-2 | -161521 |
| 4standard | 291 | van de Akker, Wum (1481) | Lost 1-2 | -191502 |
| 5standard | 507 | Couceiro, Joao (1510) | Won 2-0 | +181520 |
| 6standard | 230 | Chevalier, Tom (1519) | Lost 0-2 | -181502 |
| top | average opponent: 1537record: 3-3 | new rating: 1502 | ||