Boeren, Marcel
Current rating: 1461
| Grand Prix London 2013 (GTC limited) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 286 | Korevaar, Martijn (1601) | Lost 0-2 | -151434 |
| 2sealed | 757 | Fior, Daniel (1723) | Won 2-1 | +231457 |
| 3sealed | 393 | Mcdonald, Peter (1501) | Won 2-0 | +191476 |
| 4sealed | 590 | Akcakaya, Feyyaz Melih (1560) | Won 2-1 | +191495 |
| 5sealed | 149 | Repetti, Guillaume (1620) | Lost 0-2 | -151480 |
| 6sealed | 437 | Bjorklund, Charles (1469) | Lost 0-2 | -191461 |
| top | average opponent: 1579record: 3-3 | new rating: 1461 | ||
| Grand Prix Rotterdam 2009 (CON limited) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 513 | Vallin, Hannu (1436) | Won 2-0 | +171483 |
| 2sealed | 432 | Stelder, Sacha (1516) | Lost 0-2 | -171466 |
| 3sealed | 521 | Lago, Norman (1528) | Lost 0-2 | -171449 |
| top | average opponent: 1493record: 1-2 | new rating: 1449 | ||
| Grand Prix Brussels 2008 (SHM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 7 | Fryns, Sebastien (1500) | Won 2-1 | +181518 |
| 2sealed | 126 | Gillet, Aurelien (1518) | Lost 1-2 | -181500 |
| 3sealed | 213 | Eyma, Jonathan (1500) | Lost 0-2 | -181482 |
| 4sealed | 255 | Bernard, Julien (1589) | Lost 0-2 | -161466 |
| top | average opponent: 1527record: 1-3 | new rating: 1466 | ||