Cramer, Koos
Current rating: 1457
Record: 20-25
| Grand Prix Birmingham 2018 (leg) (legacy) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 158 | Dewerchin, Loic (1444) | Won 2-1 | +181467 |
| 2legacy | 179 | Stanley, Chris (1494) | Lost 1-2 | -171450 |
| 3legacy | 365 | Tottey, Phil (1414) | Won 2-1 | +171467 |
| 4legacy | 290 | Evans, Michael [ENG] (1613) | Won 2-0 | +211488 |
| 5legacy | 166 | Hacklander, Benjamin (1534) | Lost 1-2 | -181470 |
| 6legacy | 299 | Cooper, Chris (1550) | Won 2-0 | +201490 |
| 7legacy | 176 | Swan, Alexander (1707) | Lost 1-2 | -141476 |
| 8legacy | 205 | Suters, Oliver (1426) | Lost 1-2 | -191457 |
| top | average opponent: 1523record: 4-4 | new rating: 1457 | ||
| Grand Prix Lille 2015 (legacy) | starting rating: 1371 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 486 | Cuadrado Rubio, Sergio (1498) | Lost 0-2 | -161355 |
| 2legacy | 526 | Toms, Graeme (1440) | Won 2-0 | +191374 |
| 3legacy | 411 | Picot, Pierre (1493) | Won 2-0 | +211395 |
| 4legacy | 210 | Benech, Thomas (1489) | Won 2-0 | +191414 |
| 5legacy | 255 | De Brabander, Michael (1454) | Won 2-1 | +191433 |
| 6legacy | 69 | Dudognon, Yohan (1887) | Lost 1-2 | -101423 |
| 7legacy | 247 | Reilly, Devin (1478) | Won 2-1 | +191442 |
| 8legacy | 94 | Levenstone, Nahim (1569) | Won 2-1 | +201462 |
| 9legacy | 95 | Goldberg, Nicolas (1750) | Lost 0-2 | -131449 |
| top | average opponent: 1562record: 6-3 | new rating: 1449 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1421 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 499 | Jourdan, Thibaut (1568) | Lost 0-2 | -151406 |
| 2sealed | 485 | Van Hal, Ben (1377) | Lost 0-2 | -191387 |
| 3sealed | 648 | Nuijten, Joep (1464) | Lost 0-2 | -161371 |
| top | average opponent: 1470record: 0-3 | new rating: 1371 | ||
| Grand Prix Utrecht 2014 (M15 standard) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 21 | Plugge, Ernst Jan (1500) | Won 2-0 | +181485 |
| 2standard | 341 | Jousma, Baukejan (1658) | Lost 1-2 | -151470 |
| 3standard | 309 | Strauss, Gary (1546) | Lost 0-2 | -161454 |
| 4standard | 577 | Passchier, Wim (1485) | Won 2-1 | +181472 |
| 5standard | 427 | Steinbruck, Marvin (1464) | Lost 0-2 | -181454 |
| 6standard | 534 | Soubrier, Stephane (1595) | Lost 0-2 | -151439 |
| 7standard | 476 | Esten, Rob (1460) | Lost 0-2 | -181421 |
| top | average opponent: 1530record: 2-5 | new rating: 1421 | ||
| Grand Prix Paris 2014 (legacy) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 376 | BILLAUD, pierrick (1500) | Won 2-1 | +191463 |
| 2legacy | 8 | Lopez, Richie (1340) | Lost 0-2 | -201443 |
| 3legacy | 613 | Nemeghaire, Julien (1460) | Won 2-1 | +181461 |
| 4legacy | 213 | Mark, Dennis (1583) | Lost 0-2 | -161445 |
| 5legacy | 384 | Charbouillot, Julien (1499) | Won 2-0 | +191464 |
| 6legacy | 274 | Retter, Jerome (1481) | Won 2-1 | +191483 |
| 7legacy | 255 | Garcia Vega, Eduardo (1477) | Lost 0-2 | -181465 |
| 8legacy | 310 | Masciulli, Stefano (1521) | Lost 0-2 | -171448 |
| 9legacy | 314 | Diez, Omar (1499) | Won 2-0 | +191467 |
| top | average opponent: 1485record: 5-4 | new rating: 1467 | ||
| Grand Prix Strasbourg 2013 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 258 | Althoff, Manuel (1500) | Won 2-0 | +181518 |
| 2legacy | 241 | Wilhelm, Christopher (1523) | Lost 0-1 | -181500 |
| 3legacy | 328 | Lindl, Tobias (1507) | Lost 0-0 | -181482 |
| 4legacy | 484 | Acard, Nicolas (1550) | Lost 0-2 | -171465 |
| 5legacy | 596 | Eloy, Charles (1442) | Won 2-1 | +181483 |
| 6legacy | 453 | Alix, Antoine (1478) | Lost 1-2 | -181465 |
| 7legacy | 438 | Made, Samuel Thomas (1338) | Lost 0-2 | -201445 |
| 8legacy | 412 | Graillet, Francois (1414) | Won 2-1 | +171462 |
| 9legacy | 318 | Beer, Robert (1465) | Lost 1-2 | -181444 |
| top | average opponent: 1468record: 3-6 | new rating: 1444 | ||