Overzicht ontwikkeling ELO-rating voor Peter Doetjes (startELO: 1710)
| Ronde | Tegenstander | Score | Elo | |
|---|---|---|---|---|
| 1 | Willem Akkerman | 0 | 1690 | (- 20) |
| 2 | Erik Klaassen | ½ | 1682 | (- 8) |
| 3 | Frits Heidinga | 1 | 1697 | (+ 15) |
| 4 | Wisse Klaassen | 0 | 1683 | (- 14) |
| 5 | extern (1900) | ½ | 1690 | (+ 7) |
| 6 | Henk Westerink | ½ | 1682 | (- 8) |
| 7 | Pieter van der Kooij | 0 | 1665 | (- 17) |
| 8 | extern (1900) | ½ | 1672 | (+ 7) |
| 10 | Wiebe Oppenhuizen | 0 | 1660 | (- 12) |
| 12 | Twan van der Vaart | 1 | 1666 | (+ 6) |
| 13 | Ronald Rademakers | 1 | 1670 | (+ 4) |
| 14 | extern (1900) | ½ | 1677 | (+ 7) |
| 15 | Frans van Dam | 1 | 1689 | (+ 12) |
| 16 | Frans Sevensma | 0 | 1678 | (- 11) |
| 17 | Elmadani Bokal | ½ | 1679 | (+ 1) |
| 18 | Roelof Klinkers | ½ | 1676 | (- 3) |
| 19 | Durk Smidstra | 1 | 1684 | (+ 8) |
| 20 | extern (1900) | ½ | 1691 | (+ 7) |
| 21 | Erik Klaassen | 1 | 1697 | (+ 6) |
| 22 | Willem Akkerman | 0 | 1680 | (- 17) |
| 23 | Pavel Lapka | 1 | 1695 | (+ 15) |
| 24 | Wiebe Oppenhuizen | 0 | 1683 | (- 12) |
| 25 | Mark Derks | 0 | 1671 | (- 12) |
| 26 | extern (1900) | ½ | 1678 | (+ 7) |
| 27 | Roelof Klinkers | 0 | 1663 | (- 15) |
| 28 | Twan van der Vaart | 0 | 1644 | (- 19) |
| 29 | Frans van Dam | 0 | 1633 | (- 11) |
| 31 | Durk Smidstra | 1 | 1642 | (+ 9) |
| Huidige ELO: | 1642 |