Elfgren, John
Current rating: 1428
Record: 2-6
| Grand Prix Barcelona 2011 (MBS standard) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 613 | Ibanez Espinosa, Angel (1386) | Lost 0-2 | -201445 |
| 2standard | 731 | Rivera, David [ESP] (1467) | Lost 1-2 | -181427 |
| 3standard | 740 | Retuerta, Cristian (1467) | Won 2-1 | +191446 |
| 4standard | 735 | Dorle, Ludovic (1426) | Lost 1-2 | -181428 |
| average opponent: 1437record: 1-3 | new rating: 1428 | |||
| Grand Prix Gothenburg 2010 (M11 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 155 | Jonsson, Karl-johan (1500) | Won 2-1 | +181518 |
| 2sealed | 109 | Kjelsaas, Lars Furu (1592) | Lost 1-2 | -171501 |
| 3sealed | 81 | Nilsson, Axel (1456) | Lost 0-2 | -181483 |
| 4sealed | 209 | Ahlberg, Johan (1482) | Lost 0-2 | -181465 |
| average opponent: 1508record: 1-3 | new rating: 1465 | |||