Verwijmeren, Jan
Current rating: 1729 (#4861)
| Grand Prix Prague 2018 (modern) | starting rating: 1595 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 42 | Kaaa, Errol (1500) | Won 2-0 | +161611 |
| 2modern | 205 | Bacic, Nenad (1518) | Won 2-1 | +161627 |
| 3modern | 143 | Kraus, Martin (1532) | Won 2-0 | +171644 |
| 4modern | 89 | Vallerian-Parpaleix, Patrice (1523) | Won 2-1 | +151659 |
| 5modern | 104 | Pai, Fu Tzu (1495) | Won 2-1 | +151674 |
| 6modern | 28 | Seck, Ben (1792) | Won 2-1 | +211695 |
| 7modern | 10 | Deltour, Louis (2077) | Lost 0-2 | -121683 |
| 8modern | 76 | Stifter, Christian (1626) | Won 2-1 | +171700 |
| 9modern | 11 | Ranieri, Giorgio (1539) | Lost 0-2 | -211679 |
| 10modern | 49 | Zeggio, Riccardo (1587) | Won 2-1 | +171696 |
| 11modern | 55 | Scherer, Daniel (1664) | Won 2-0 | +171713 |
| 12modern | 20 | Dezani, Jeremy (2160) | Won 2-0 | +261739 |
| 13modern | 21 | Hocquemiller, Arnaud (1968) | Lost 0-2 | -141725 |
| 14modern | 32 | Boussaud, Eliott (1922) | Won 2-0 | +211746 |
| 15modern | 21 | Van Deun, Luca (1768) | Lost 0-2 | -171729 |
| top | average opponent: 1711record: 11-4 | new rating: 1729 | ||
| Grand Prix Paris 2016 (OGW standard) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 100 | Drignon, Thibault (1545) | Lost 0-2 | -161467 |
| 2standard | 404 | Perrin, Pierre (1409) | Won 2-1 | +161483 |
| 3standard | 402 | Goertzen, Dominik (1642) | Lost 1-2 | -151468 |
| 4standard | 619 | Niethammer, Felix (1610) | Won 2-0 | +211489 |
| 5standard | 581 | Gerard, Bui (1502) | Won 2-0 | +181507 |
| 6standard | 404 | Widawski, Xavier (1645) | Won 2-1 | +211528 |
| 7standard | 187 | de los Rios, Borja (1601) | Lost 1-2 | -171511 |
| 8standard | 396 | Cecilia, Manuel (1711) | Won 2-1 | +221533 |
| 9standard | 288 | Baumann, Adrien (1582) | Won 2-0 | +181551 |
| 10standard | 164 | Ebbing, Golo (1557) | Won 2-0 | +191570 |
| 11standard | 151 | Giorgio, Francesco (1889) | Lost 1-2 | -131557 |
| 12standard | 183 | Delanghe, Dimitri (1500) | Won 2-1 | +171574 |
| 13standard | 95 | Heinonen, Aku (1634) | Lost 1-2 | -171557 |
| 14standard | 136 | Lam, Philippe (1603) | Won 2-1 | +191576 |
| 15standard | 130 | Parazzoli, Dario (1618) | Won 2-1 | +191595 |
| top | average opponent: 1603record: 10-5 | new rating: 1595 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2081 | Vogelfanger, Ruth Elis (1500) | Won 2-1 | +181518 |
| 2sealed | 2152 | Schurkens, Brenda (1438) | Won 2-0 | +171535 |
| 3sealed | 2098 | Spoelder, Jiska (1565) | Lost 1-2 | -181517 |
| 4sealed | 2167 | Steinbusch, Tom (1518) | Lost 0-2 | -181499 |
| 5sealed | 2280 | Steudtner, Christian (1626) | Lost 0-2 | -161483 |
| top | average opponent: 1529record: 2-3 | new rating: 1483 | ||