Van Stein Callenfels,
Current rating: 1445
Record: 7-11-2
| Grand Prix Ghent 2012 (legacy) | starting rating: 1459 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 133 | van der End, Martijn (1561) | Draw 1-1 | +11460 |
| 2legacy | 145 | Schneider, Valentin (1569) | Lost 1-2 | -161444 |
| 3legacy | 234 | Delandsheere, Pierre (1457) | Won 2-0 | +191463 |
| 4legacy | 221 | Dolenc, Andrej (1502) | Lost 0-2 | -181445 |
| top | average opponent: 1522record: 1-2-1 | new rating: 1445 | ||
| Grand Prix Amsterdam 2011 (legacy) | starting rating: 1456 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 621 | Kantebeen, Pieter (1537) | Won 2-0 | +201476 |
| 2legacy | 627 | Rolo, Joao (1496) | Won 2-1 | +181494 |
| 3legacy | 638 | Schep, Rene (1534) | Lost 1-2 | -171477 |
| 4legacy | 777 | Avril, Francois (1517) | Lost 1-2 | -171460 |
| 5legacy | 882 | Lusti, Tobias (1428) | Won 2-1 | +171477 |
| 6legacy | 783 | Sabadini, Francesco (1449) | Lost 0-2 | -181459 |
| top | average opponent: 1493record: 3-3 | new rating: 1459 | ||
| Grand Prix Gothenburg 2010 (M11 limited) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 642 | Nordin, Lars (1428) | Won 2-1 | +181462 |
| 2sealed | 543 | Vainikainen, Tommi (1486) | Won 2-1 | +181480 |
| 3sealed | 538 | Tuomi, Sami (1850) | Lost 0-2 | -111469 |
| 4sealed | 638 | Ratkevicius, Petras (1494) | Lost 0-2 | -181451 |
| 5sealed | 648 | Janak, Tomas (1598) | Won 2-0 | +211472 |
| 6sealed | 635 | Molin, Christian (1574) | Draw 1-1 | +21474 |
| 7sealed | 608 | Svensson, Fredrik (1516) | Lost 1-2 | -181456 |
| top | average opponent: 1564record: 3-3-1 | new rating: 1456 | ||
| Grand Prix Rotterdam 2009 (CON limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 490 | van Luijtelaar, Michael (1475) | Lost 1-2 | -181482 |
| 2sealed | 628 | Laarhoven, Vincent (1482) | Lost 0-2 | -181464 |
| 3sealed | 681 | Wallin, Peter (1383) | Lost 1-2 | -201444 |
| top | average opponent: 1446record: 0-3 | new rating: 1444 | ||