Berdou, Dennis
Current rating: 1478
Record: 17-19-2
| Grand Prix Utrecht 2014 (M15 standard) | starting rating: 1495 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 230 | Muehlinghaus, Pascal (1500) | Won 2-0 | +181513 |
| 2standard | 246 | Rosen, Sascha (1436) | Lost 1-2 | -191494 |
| 3standard | 518 | Eschelbach, Torsten (1597) | Won 2-0 | +201514 |
| 4standard | 397 | Mons, Stephan (1518) | Lost 1-2 | -181496 |
| 5standard | 393 | Bassy, Martin (1501) | Lost 1-2 | -181478 |
| top | average opponent: 1510record: 2-3 | new rating: 1478 | ||
| Grand Prix Bochum 2012 (RTR standard) | starting rating: 1477 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 715 | Sigrist, Sebastian (1500) | Won 2-0 | +181495 |
| top | record: 1-0 | new rating: 1495 | ||
| Grand Prix Lille 2012 (DKA standard) | starting rating: 1491 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 638 | Ludin, Michael (1436) | Draw 1-1 | -11490 |
| 3standard | 634 | Hitz, Michael (1751) | Lost 0-2 | -141476 |
| 4standard | 756 | Garneau, Alexandre (1434) | Won 2-0 | +171493 |
| 5standard | 691 | Chautain, Clement (1571) | Lost 0-2 | -161477 |
| top | average opponent: 1548record: 1-2-1 | new rating: 1477 | ||
| Grand Prix Amsterdam 2011 (legacy) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 865 | Keijzer, Duncan (1511) | Won 2-0 | +191506 |
| 2legacy | 665 | Ingham, John (1518) | Lost 0-2 | -181488 |
| 3legacy | 906 | Heyligen, Steven (1413) | Won 2-0 | +161504 |
| 4legacy | 808 | Khalitov, Albert (1517) | Lost 1-2 | -171487 |
| 5legacy | 857 | Thiemann, Kai (1566) | Won 2-0 | +191506 |
| 6legacy | 796 | Darras, Alexandre (1645) | Lost 1-2 | -151491 |
| top | average opponent: 1528record: 3-3 | new rating: 1491 | ||
| Grand Prix Prague 2011 (NPH limited) | starting rating: 1506 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 671 | Pikhart, Miroslav (1467) | Lost 1-2 | -181488 |
| 2sealed | 663 | Callaioli, Giacomo (1481) | Won 2-1 | +171505 |
| 3sealed | 682 | Rybar, Marek (1499) | Won 2-1 | +181523 |
| 4sealed | 647 | Liu, Joseph (1535) | Lost 1-2 | -171506 |
| 5sealed | 694 | Hauer, Johannes (1483) | Lost 0-2 | -191487 |
| top | average opponent: 1493record: 2-3 | new rating: 1487 | ||
| Grand Prix Bochum 2010 (SOM limited) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 685 | Bardet, Jean-Michel (1677) | Lost 0-2 | -151508 |
| 2sealed | 833 | van Beeck, Jeroen (1482) | Draw 1-1 | 01508 |
| 3sealed | 818 | Dons, Michael (1482) | Won 2-0 | +171525 |
| 4sealed | 766 | Frengstad, Kristoffer (1468) | Lost 0-2 | -191506 |
| top | average opponent: 1527record: 1-2-1 | new rating: 1506 | ||
| Grand Prix Brussels 2010 (WWK standard) | starting rating: 1559 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 245 | Ronsijn, Tom (1500) | Won 2-0 | +171576 |
| 2standard | 4 | Luthje, Benjamin (1541) | Lost 1-2 | -191557 |
| 3standard | 268 | Roelofs, Frank (1741) | Lost 0-1 | -141543 |
| 4standard | 314 | Gobel, Jorn (1482) | Lost 1-2 | -201523 |
| top | average opponent: 1566record: 1-3 | new rating: 1523 | ||
| Grand Prix Rotterdam 2009 (CON limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 474 | Cepl, Jaroslav (1542) | Won 2-1 | +191519 |
| 2sealed | 551 | van Binsbergen, Adri (1522) | Won 2-1 | +181537 |
| 3sealed | 493 | Vazquez, Francisco Fidel (1628) | Lost 0-2 | -171520 |
| 4sealed | 564 | Geuze, Henk-Jan (1611) | Won 2-0 | +201540 |
| 5sealed | 487 | Schwankl, Andre (1610) | Won 2-1 | +191559 |
| 6sealed | 477 | Nouzovsky, Zdenko (1529) | Lost 1-2 | -181541 |
| 7sealed | 462 | Brillemans, Marcel (1538) | Won 2-0 | +181559 |
| 8sealed | 440 | Mosterman, Friso (1558) | Won 2-0 | +181577 |
| 9sealed | 438 | Schwass, Mark (1585) | Lost 1-2 | -181559 |
| top | average opponent: 1569record: 6-3 | new rating: 1559 | ||