Ruiz, Sergio
Current rating: 1449
Record: 2-5
| Grand Prix Rotterdam 2009 (CON limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 47 | Fransen, Bart [BEL] (1500) | Won 2-1 | +181518 |
| 2sealed | 124 | Bliek, Justin (1637) | Lost 0-2 | -161502 |
| 3sealed | 135 | Westerink, Roelof (1499) | Lost 0-2 | -181484 |
| 4sealed | 253 | van der Peijl, Anniek (1480) | Won 2-1 | +181502 |
| 5sealed | 175 | Van Alphen, Mark (1504) | Lost 0-2 | -181484 |
| 6sealed | 176 | Glas, Leo (1482) | Lost 1-2 | -181466 |
| 7sealed | 159 | Kogler, Stefan (1545) | Lost 0-2 | -171449 |
| average opponent: 1521record: 2-5 | new rating: 1449 | |||