Derwort, Selmer
Current rating: 1647
Record: 24-17-1
| Grand Prix London 2019 (WAR sealed) | starting rating: 1650 | |||
| round | table | opponent (rating) | result | Δrating |
| C1sealed | 50 | Porciani, Fabio (1557) | Won 2-0 | +161666 |
| C2sealed | 128 | Wijsman, Gerwin (1758) | Won 2-0 | +201686 |
| C3sealed | 65 | Marino, Alberto (1594) | Lost 0-2 | -201666 |
| C4sealed | 163 | Porter, Martin (1574) | Lost 0-2 | -191647 |
| top | average opponent: 1621record: 2-2 | new rating: 1647 | ||
| Grand Prix London 2018 (RIX limited) | starting rating: 1532 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 16 | Coates, Richard (1546) | Won 2-0 | +191551 |
| 2sealed | 159 | Arndt, Marcel (1846) | Won 2-1 | +231574 |
| 3sealed | 269 | Brunt, Ramon (1490) | Won 2-0 | +161590 |
| 4sealed | 160 | Bruno, Luca (1843) | Lost 0-2 | -131577 |
| 5sealed | 216 | Naujokat, Ricardo (1732) | Won 2-0 | +211598 |
| 6sealed | 191 | Ulke, Dominic (1853) | Won 2-1 | +221620 |
| 7sealed | 175 | Patel, Kayure (1713) | Lost 1-2 | -161604 |
| 8sealed | 264 | Kirkebo, Erlend (1651) | Won 2-1 | +191623 |
| 9sealed | 122 | van Rijn, Frank (1886) | Won 2-1 | +231646 |
| 10draft | 26 | Galvao, Diogo (1607) | Lost 0-2 | -191627 |
| 11draft | 26 | Matousek, Pavel (1809) | Lost 0-2 | -151612 |
| 12draft | 25 | Russell, Griffin (1551) | Won 2-1 | +171629 |
| 13draft | 77 | Burns, Matthew (1661) | Won 2-1 | +191648 |
| 14draft | 101 | Kountouris, Ioannis (1644) | Won 2-0 | +181666 |
| 15draft | 29 | Viniczai, Tibor (1797) | Lost 1-2 | -161650 |
| top | average opponent: 1709record: 10-5 | new rating: 1650 | ||
| Grand Prix London 2016 (KLD limited) | starting rating: 1541 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 144 | Allen, Chris9495 (1500) | Won 2-0 | +171558 |
| 2sealed | 174 | McDonald, Marianne (1432) | Won 2-0 | +161574 |
| 3sealed | 94 | Miles, Edd (1437) | Lost 0-2 | -201554 |
| 4sealed | 461 | Hardie, Jamie (1483) | Won 2-0 | +161570 |
| 5sealed | 221 | Jbeili, Reginald (1617) | Lost 1-2 | -171553 |
| 6sealed | 403 | Luisoni, Georg (1470) | Won 2-1 | +171570 |
| 7sealed | 321 | Schoots, Isha (1545) | Lost 0-2 | -191551 |
| 8sealed | 606 | Raude, Ewen (1515) | Lost 1-2 | -191532 |
| top | average opponent: 1500record: 4-4 | new rating: 1532 | ||
| Grand Prix London 2015 (ORI standard) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 640 | Owen, Tom (1500) | Won 2-0 | +181536 |
| 2standard | 628 | Williams, Craig J (1518) | Won 2-1 | +181554 |
| 3standard | 658 | Haggkvist, Sami (1731) | Lost 0-2 | -151539 |
| 4standard | 797 | Dean, Andrew (1521) | Won 2-0 | +181557 |
| 5standard | 712 | Shapcott, Andrew (1552) | Lost 1-2 | -181539 |
| 6standard | 800 | Rodriguez, Jaime (1483) | Won 2-1 | +171556 |
| 7standard | 499 | Gruber, Klaas (1752) | Lost 0-2 | -151541 |
| top | average opponent: 1580record: 4-3 | new rating: 1541 | ||
| Grand Prix Amsterdam 2001 (INV limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 163 | Diepemaat, Martijn (1500) | Lost 1-2 | -181482 |
| 2sealed | 225 | Bos, Wilco (1482) | Won 2-0 | +181500 |
| 3sealed | 125 | Schipper, Ernst (1459) | Won 2-1 | +171517 |
| 4sealed | 183 | van der Schaft, Maarten (1521) | Draw 1-1 | 01517 |
| 5sealed | 137 | Eikefet, Kim (1591) | Won 2-1 | +201537 |
| 6sealed | 90 | Schiess, Christian (1539) | Won 2-1 | +181555 |
| 7sealed | 53 | Braun, Oliver (1558) | Lost 1-2 | -181537 |
| 8sealed | 91 | Le Guiffant, Simon (1519) | Lost 1-2 | -191518 |
| top | average opponent: 1521record: 4-3-1 | new rating: 1518 | ||