Houweling, Mario
Current rating: 1464
Record: 1-3
| Grand Prix Amsterdam 2011 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 138 | van der Lans, Tim (1500) | Won 2-0 | +181518 |
| 2legacy | 88 | Rosing, Joel (1518) | Lost 1-2 | -181500 |
| 3legacy | 163 | Accart, Jean-Mary (1493) | Lost 1-2 | -181482 |
| 4legacy | 343 | Kalter, Phil (1481) | Lost 0-2 | -181464 |
| average opponent: 1498record: 1-3 | new rating: 1464 | |||