Bos, Arjan
Current rating: 1578
Record: 10-6
| Grand Prix Ghent 2012 (legacy) | starting rating: 1565 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 695 | Garcia Gallegos, Pedro (1484) | Won 2-0 | +161581 |
| 2legacy | 619 | Partridge, John (1518) | Won 2-0 | +171598 |
| 3legacy | 677 | Fransen, Bart [NLD] (1573) | Lost 0-2 | -181580 |
| 4legacy | 785 | Feldmann, Jan (1553) | Won 2-1 | +171597 |
| 5legacy | 671 | Rosenberger, Alexander (1696) | Lost 0-2 | -161581 |
| 6legacy | 748 | Emunds, Jorg (1497) | Won 2-1 | +161597 |
| 7legacy | 743 | Lamolle, Romain (1495) | Lost 0-2 | -191578 |
| average opponent: 1545record: 4-3 | new rating: 1578 | |||
| Grand Prix Amsterdam 2011 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 801 | Van Vemde, Marco (1484) | Won 2-0 | +181518 |
| 2legacy | 640 | Shum, Edmund (1447) | Won 2-0 | +161534 |
| 3legacy | 615 | Grotenhuis, Thomas (1717) | Won 2-0 | +221556 |
| 4legacy | 628 | Pamart, Olivier (1589) | Won 2-0 | +181574 |
| 5legacy | 616 | Speelmans, Jeroen (1605) | Won 2-0 | +191593 |
| 6legacy | 614 | Chronopoulos, Bill (1884) | Won 2-1 | +231616 |
| 7legacy | 613 | Schnell, Philipp (1654) | Lost 1-2 | -171599 |
| 8legacy | 616 | Kampelmann, Dennis (1547) | Lost 0-2 | -191580 |
| 9legacy | 662 | Corsanini, Michele (1745) | Lost 1-2 | -151565 |
| average opponent: 1630record: 6-3 | new rating: 1565 | |||