Overzicht ontwikkeling ELO-rating voor Mark Derks (startELO: 1668)
| Ronde | Tegenstander | Score | Elo | |
|---|---|---|---|---|
| 1 | Hette van Popta | ½ | 1675 | (+ 7) |
| 3 | Elmadani Bokal | ½ | 1675 | (+ 0) |
| 4 | Roelof Klinkers | 1 | 1683 | (+ 8) |
| 5 | Willem Akkerman | ½ | 1677 | (- 6) |
| 6 | Jos Dekker | 0 | 1671 | (- 6) |
| 8 | extern (1900) | ½ | 1678 | (+ 7) |
| 9 | Klaas Abma | ½ | 1686 | (+ 8) |
| 10 | Wisse Klaassen | ½ | 1686 | (+ 0) |
| 11 | Martin van Rijswijk | 0 | 1678 | (- 8) |
| 12 | extern (1900) | ½ | 1685 | (+ 7) |
| 13 | Pavel Lapka | ½ | 1687 | (+ 2) |
| 14 | Frans Sevensma | 1 | 1702 | (+ 15) |
| 16 | Wouter van de Griendt | 0 | 1698 | (- 4) |
| 17 | Willem Akkerman | ½ | 1693 | (- 5) |
| 18 | Ferdi van Bavel | 0 | 1690 | (- 3) |
| 19 | Elmadani Bokal | ½ | 1691 | (+ 1) |
| 21 | extern (1900) | ½ | 1698 | (+ 7) |
| 22 | Henk Westerink | 1 | 1702 | (+ 4) |
| 24 | Frans van Dam | ½ | 1701 | (- 1) |
| 25 | Peter Doetjes | 1 | 1713 | (+ 12) |
| 26 | Rene de Wilde | ½ | 1715 | (+ 2) |
| 27 | Wisse Klaassen | ½ | 1715 | (+ 0) |
| 28 | extern (1900) | ½ | 1721 | (+ 6) |
| 29 | Pavel Lapka | ½ | 1722 | (+ 1) |
| 30 | Jos Dekker | 0 | 1715 | (- 7) |
| 31 | Roelof Klinkers | 1 | 1725 | (+ 10) |
| Huidige ELO: | 1725 |