Ferm, Erik
Current rating: 1552
Record: 6-4
| Grand Prix Amsterdam 2011 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4legacy | 12 | Loeffen, Daan (1552) | Won 2-1 | +191519 |
| 5legacy | 18 | Boelens, Jasper (1716) | Won 2-0 | +221541 |
| 6legacy | 4 | Geurts, Steven (1580) | Lost 1-2 | -181523 |
| 7legacy | 48 | Fransen, Bart [NLD] (1524) | Won 2-1 | +181541 |
| 8legacy | 42 | Hendrikx, Koen (1497) | Won 2-0 | +171558 |
| 9legacy | 19 | Portaro, Alessandro (1790) | Lost 0-1 | -131545 |
| 10legacy | 893 | Monti, Andrea (1580) | Lost 1-2 | -181527 |
| 11legacy | 896 | Lippi, Alessandro (1743) | Won 2-1 | +221549 |
| 12legacy | 888 | Pischinger, Felix (1612) | Won 2-1 | +191568 |
| 13legacy | 836 | Strasky, Ondrej (1658) | Lost 1-2 | -161552 |
| average opponent: 1625record: 6-4 | new rating: 1552 | |||