Ahlers Marino, Jan Marc
Current rating: 1516
Record: 5-4-2
| Grand Prix Barcelona 2019 (modern) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 344 | Beshoff, Louie (1500) | Won 2-0 | +171551 |
| 2modern | 125 | Chica, Jorge (1518) | Draw 1-1 | 01551 |
| 3modern | 386 | Payen, Jeremy (1609) | Lost 0-2 | -171534 |
| 4modern | 519 | Alsabah, Mohammad (1559) | Lost 0-2 | -181516 |
| average opponent: 1546record: 1-2-1 | new rating: 1516 | |||
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 446 | Balcer, Szymon (1500) | Won 2-0 | +181518 |
| 2sealed | 514 | Scolpito, Teo (1307) | Won 2-0 | +141532 |
| 3sealed | 247 | Bracht, Maximilian (1691) | Lost 0-2 | -151517 |
| 4sealed | 461 | Smith, Andrew [ENG] (1458) | Draw 1-1 | -11516 |
| 5sealed | 533 | Dubourg, Emeric (1431) | Won 2-1 | +161532 |
| 6sealed | 352 | Mueller, Dominic (1652) | Won 2-0 | +211553 |
| 7sealed | 217 | Phedotov, Artem (1523) | Lost 0-2 | -191534 |
| average opponent: 1509record: 4-2-1 | new rating: 1534 | |||