Tonda, Marcos
Current rating: 1568
Record: 6-3
| Grand Prix Barcelona 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 595 | Albert, Juan Fran (1500) | Won 2-1 | +181518 |
| 2standard | 574 | Garcia Mene, Alex (1564) | Won 2-1 | +191537 |
| 3standard | 505 | Martins, Tony (1686) | Lost 0-2 | -151522 |
| 4standard | 623 | Rodriguez, Daniel 5725 (1499) | Won 2-0 | +171539 |
| 5standard | 542 | Melis, Bas (1595) | Won 2-1 | +191558 |
| 6standard | 474 | Stephan, Juergen (1585) | Won 2-0 | +191577 |
| 7standard | 456 | Calafell, Joel (1798) | Lost 1-2 | -141563 |
| 8standard | 476 | Szegho, Dalibor (1633) | Lost 1-2 | -171546 |
| 9standard | 479 | Pinazo, Jorge (1749) | Won 2-1 | +221568 |
| average opponent: 1623record: 6-3 | new rating: 1568 | |||