Verwoerd, Jeffrey
Current rating: 1501
Record: 18-19
| Grand Prix Utrecht 2019 (ELD limited) | starting rating: 1493 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 298 | Schenkelaars, Bauke (1516) | Won 2-1 | +181511 |
| 3sealed | 288 | Einaudi, Giacomo (1808) | Lost 1-2 | -121499 |
| 4sealed | 417 | Van Veelen, Martin (1469) | Won 2-0 | +171516 |
| 5sealed | 298 | Molder, Petter (1636) | Lost 1-2 | -161500 |
| 6sealed | 286 | Lacour, Jean-Philippe (1500) | Won 2-0 | +181518 |
| 7sealed | 189 | Ferreira Nobre Junior, Jouderian (1542) | Lost 0-2 | -171501 |
| top | average opponent: 1578record: 3-3 | new rating: 1501 | ||
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1511 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 564 | Thomson, Matthew (1466) | Won 2-0 | +181529 |
| 2sealed | 559 | Lutter, Maximilian (1583) | Lost 1-2 | -171512 |
| 3sealed | 943 | Cordeschi, Nicola (1477) | Lost 1-2 | -191493 |
| top | average opponent: 1509record: 1-2 | new rating: 1493 | ||
| Grand Prix Utrecht 2017 (AER standard) | starting rating: 1512 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 43 | Bosgra, Theo (1374) | Won 2-0 | +161528 |
| 2standard | 249 | Hadfield, Aaron (1522) | Lost 1-2 | -191509 |
| 3standard | 511 | Hupkens, Tobie (1425) | Won 2-0 | +171526 |
| 4standard | 347 | Krieger, Philipp (1522) | Lost 0-2 | -181508 |
| 5standard | 463 | Krall, Stefan (1676) | Won 2-1 | +211529 |
| 6standard | 332 | Putra, Alvin (1518) | Lost 0-2 | -181511 |
| 7standard | 403 | Jubin, Jonathan (1502) | Won 2-0 | +181529 |
| 8standard | 226 | Guan, Thomas Zhennan (1581) | Lost 1-2 | -181511 |
| top | average opponent: 1515record: 4-4 | new rating: 1511 | ||
| Grand Prix Prague 2017 (AER limited) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 589 | Zorko, Robert (1501) | Won 2-0 | +181506 |
| 2sealed | 412 | Reinhardt, Felix (1602) | Won 2-0 | +201526 |
| 3sealed | 267 | Vainio, Aki (1606) | Lost 1-2 | -171509 |
| 4sealed | 466 | Rosengren, Lars (1734) | Lost 1-2 | -141495 |
| 5sealed | 524 | Lhomme, Steeve (1189) | Won 2-0 | +131508 |
| 6sealed | 492 | Bennersten, Viktor (1601) | Won 2-1 | +191527 |
| 7sealed | 350 | Krynski, Tomasz (1574) | Won 2-0 | +191546 |
| 8sealed | 112 | Pascaud, Thomas (1615) | Lost 0-2 | -161530 |
| 9sealed | 398 | Hilfiker, Florian (1554) | Lost 0-2 | -181512 |
| top | average opponent: 1553record: 5-4 | new rating: 1512 | ||
| Grand Prix Brussels 2015 (BFZ standard) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 344 | Baptista, Joao (1567) | Lost 0-0 | -161449 |
| 2standard | 662 | De Jong, Manon (1482) | Won 0-0 | +191468 |
| 3standard | 517 | Van De Kerkhoven, Olivier (1483) | Won 2-1 | +181486 |
| 4standard | 593 | Pereira, Vitor (1524) | Lost 0-2 | -171469 |
| 5standard | 539 | Launay, Remi (1433) | Won 2-1 | +171486 |
| 6standard | 506 | Martini, Stephane-Jean (1469) | Won 2-1 | +181504 |
| 7standard | 217 | Maisonneuve, Erwan (1608) | Lost 1-2 | -161488 |
| top | average opponent: 1510record: 4-3 | new rating: 1488 | ||
| Grand Prix Utrecht 2014 (M15 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 458 | Verstraten, Teun (1500) | Lost 0-2 | -181482 |
| 2standard | 487 | Boerchers, Tobias (1542) | Lost 1-2 | -171465 |
| 3standard | 657 | Buis, Boyd (1464) | Won 2-0 | +181483 |
| 4standard | 490 | Kaper, Rudolf (1499) | Lost 1-2 | -181465 |
| top | average opponent: 1502record: 1-3 | new rating: 1465 | ||