Verhallen, Jeroen
Current rating: 1519
Record: 20-18-1
| Grand Prix Krakow 2019 (M20 limited) | starting rating: 1541 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 422 | Kawiorski, Albert (1500) | Lost 1-2 | -191522 |
| 2sealed | 604 | Kiska, Vladislav (1520) | Won 2-1 | +181540 |
| 3sealed | 371 | Titjung, Maik (1500) | Won 2-0 | +181558 |
| 4sealed | 244 | Dabrowski, Michal (1430) | Lost 0-2 | -211537 |
| 5sealed | 227 | Stepien, Szymon (1515) | Lost 0-2 | -181519 |
| top | average opponent: 1493record: 2-3 | new rating: 1519 | ||
| Grand Prix London 2016 (KLD limited) | starting rating: 1560 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 117 | Beavis, Warren (1500) | Won 2-1 | +171577 |
| 2sealed | 346 | Stocker, Andreas (1560) | Won 2-0 | +171594 |
| 3sealed | 261 | Morais, Guilherme (1744) | Lost 1-2 | -151579 |
| 4sealed | 458 | Rosales Jimenez, Israel (1557) | Lost 1-2 | -181561 |
| 5sealed | 662 | Rossi, Kevin (1594) | Lost 0-2 | -181543 |
| 6sealed | 944 | Barratt, Matthew (1435) | Won 2-0 | +161559 |
| 7sealed | 639 | Ogden, Max (1550) | Lost 0-2 | -181541 |
| top | average opponent: 1563record: 3-4 | new rating: 1541 | ||
| Grand Prix Manchester 2016 (SOI standard) | starting rating: 1620 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 318 | de Groot, Bjorn (1494) | Lost 0-2 | -201600 |
| 4standard | 416 | Kenny, Andrew (1484) | Won 2-1 | +161616 |
| 5standard | 174 | Owen, Archibald (1605) | Lost 0-2 | -191597 |
| 6standard | 366 | Kjellberg, Magnus (1590) | Lost 1-2 | -181579 |
| 7standard | 513 | Ballard, Dale (1497) | Lost 1-2 | -191560 |
| top | average opponent: 1534record: 1-4 | new rating: 1560 | ||
| Grand Prix London 2015 (ORI standard) | starting rating: 1619 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 69 | Sharpe, Richard (1476) | Won 2-0 | +161635 |
| 2standard | 112 | Uittenbogaard, Kenny (1487) | Lost 0-2 | -211614 |
| 3standard | 424 | Prince, John (1445) | Won 2-1 | +151629 |
| 4standard | 156 | Hudson, Dominic (1452) | Won 2-0 | +151644 |
| 5standard | 219 | Thickett, Matthew (1450) | Lost 1-2 | -221622 |
| 6standard | 188 | Walker, Ben (1546) | Won 2-0 | +171639 |
| 7standard | 120 | Mortimer, Alex (1585) | Lost 0-2 | -191620 |
| top | average opponent: 1492record: 4-3 | new rating: 1620 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2115 | Borba, Rodrigo (1899) | Won 2-1 | +251525 |
| 2sealed | 2036 | Davies, Daniel (1378) | Won 2-1 | +151540 |
| 3sealed | 2103 | Tuinstra, Sebastiaan (1590) | Won 2-1 | +191559 |
| 4sealed | 2046 | Schuringa, Sebastiaan (1552) | Lost 0-2 | -181541 |
| 5sealed | 2061 | Crowley, Martin (1535) | Won 2-0 | +181559 |
| 6sealed | 2031 | Tuovinen, Tomi (1557) | Lost 0-2 | -181541 |
| 7sealed | 2126 | Prokopovic, Marek (1528) | Won 2-0 | +181559 |
| 8sealed | 2092 | He, Stephan (1566) | Won 2-1 | +181577 |
| 9sealed | 2037 | Mancino, Davide (1571) | Won 2-0 | +181595 |
| 10draft | 1103 | Martinez Querol, Daniel (1624) | Draw 0-0 | 01595 |
| 11draft | 1022 | Salvade, Luca (1647) | Won 2-1 | +191614 |
| 12draft | 1077 | Paco Abenoza, Aria (1550) | Lost 0-2 | -191595 |
| 13draft | 1131 | Greune, Christoph (1649) | Won 2-0 | +191614 |
| 14draft | 1014 | Trossbach, Martin (1704) | Won 2-1 | +201634 |
| 15draft | 1056 | Manders, Mitchell (1848) | Lost 1-2 | -151619 |
| top | average opponent: 1613record: 10-4-1 | new rating: 1619 | ||