Witteman, Thijs
Current rating: 1720 (#5307)
Record: 20-9-1
| Grand Prix Utrecht 2019 (ELD limited) | starting rating: 1580 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 382 | Protasov, Mikhail (1570) | Won 2-1 | +181598 |
| 2sealed | 325 | Caffini, Alessandro (1615) | Won 2-0 | +181616 |
| 3sealed | 142 | Avoscan, Raul (1769) | Won 2-0 | +211637 |
| 4sealed | 70 | Klocker, Elias (1893) | Lost 1-2 | -131624 |
| 5sealed | 215 | Rauser, Thomas (1518) | Lost 0-2 | -201604 |
| 6sealed | 238 | van Leeuwen, Arjan (1853) | Won 2-1 | +221626 |
| 7sealed | 166 | Muller, Christopher (1519) | Won 2-0 | +161642 |
| 8sealed | 135 | Gabaja, Krzysztof (1561) | Won 2-1 | +171659 |
| 9sealed | 305 | Barnes, Craig (1837) | Lost 0-2 | -151644 |
| 10draft | 33 | Schmid, Mattia (1615) | Won 2-0 | +181662 |
| 11draft | 102 | Gosic, Lazar (1541) | Won 2-0 | +151677 |
| 12draft | 85 | Weinhardt, Denny (1864) | Won 2-1 | +221699 |
| 13draft | 44 | Unfried, Jorg (1873) | Won 2-0 | +211720 |
| 14draft | 41 | Kathriner, Roman (1832) | Lost 1-2 | -161704 |
| 15draft | 40 | Heijselaar, Mischa (1607) | Won 2-0 | +161720 |
| average opponent: 1698record: 11-4 | new rating: 1720 | |||
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 951 | Schmidt, Matthias8699 (1500) | Won 2-0 | +181518 |
| 2sealed | 511 | Silva, Marco (1574) | Won 2-0 | +191537 |
| 3sealed | 72 | Tuovinen, Tomi (1714) | Won 2-1 | +211558 |
| 4sealed | 82 | Bondon, Thomas (1434) | Won 2-1 | +161574 |
| 5sealed | 114 | Scharr, Jules (1438) | Lost 0-2 | -211553 |
| 6sealed | 274 | Larsen, Daniel (1519) | Won 2-1 | +181571 |
| 7sealed | 58 | Lysek, Andrzej (1732) | Won 2-1 | +211592 |
| 8sealed | 35 | Ishihara, Jun (1802) | Lost 1-2 | -141578 |
| 9sealed | 722 | Staples, James (1563) | Lost 0-2 | -191559 |
| 10draft | 767 | Zeggio, Riccardo (1589) | Won 2-0 | +191578 |
| 11draft | 738 | Gartner, Peter (1398) | Won 2-0 | +151593 |
| 12draft | 697 | Henriksen, Erik (1692) | Lost 0-2 | -171576 |
| 13draft | 738 | Brandstetter, Hannes (1706) | Won 2-0 | +211597 |
| 14draft | 744 | Wagner, Rafael (1680) | Lost 1-2 | -171580 |
| 15draft | 623 | Clouet, Yann (1580) | Draw 1-1 | 01580 |
| average opponent: 1595record: 9-5-1 | new rating: 1580 | |||