Van Alphen, Mark
Current rating: 1523
| Grand Prix Utrecht 2019 (ELD limited) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 596 | Bienert, Marco (1386) | Won 2-0 | +151535 |
| 2sealed | 316 | Romanczyk, Peter (1666) | Lost 1-2 | -151520 |
| 3sealed | 361 | Hermite, Thomas (1710) | Draw 1-1 | +31523 |
| 4sealed | 490 | Carre, Richard (1540) | Won 2-1 | +191542 |
| 5sealed | 341 | Van Aken, Wout (1518) | Lost 0-2 | -191523 |
| top | average opponent: 1564record: 2-2-1 | new rating: 1523 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1522 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 293 | Klein, Roy (1510) | Lost 0-2 | -191503 |
| 2sealed | 543 | Fehlau, Julius (1482) | Won 2-1 | +181521 |
| 3sealed | 340 | V.D Werf, Kevin (1476) | Lost 1-2 | -191502 |
| 4sealed | 610 | Van Rij, Jon (1482) | Won 2-0 | +181520 |
| top | average opponent: 1487record: 2-2 | new rating: 1520 | ||
| Grand Prix Rotterdam 2009 (CON limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 153 | Juul, Tor (1463) | Won 2-1 | +171517 |
| 2sealed | 30 | Cizmic, Nenad (1500) | Won 2-0 | +181535 |
| 3sealed | 90 | Sele, Yves (1854) | Lost 0-2 | -121523 |
| 4sealed | 93 | Penne, Koen-leopold-louis (1469) | Lost 1-2 | -191504 |
| 5sealed | 175 | Ruiz, Sergio (1502) | Won 2-0 | +181522 |
| top | average opponent: 1558record: 3-2 | new rating: 1522 | ||