Overzicht ontwikkeling ELO-rating voor Henk Sieders (startELO: 1701)
| Ronde | Tegenstander | Score | Elo | |
|---|---|---|---|---|
| 1 | Guus Gilein | 1 | 1714 | (+ 13) |
| 2 | Jan van Schie | ½ | 1710 | (- 4) |
| 3 | Ed Vink | 1 | 1714 | (+ 4) |
| 4 | Ben Vink | 1 | 1719 | (+ 5) |
| 5 | Erik Romijn | 1 | 1724 | (+ 5) |
| 6 | Arjan Plug | ½ | 1729 | (+ 5) |
| 7 | extern (1730) | 0 | 1720 | (- 9) |
| 8 | Joop Turk | 1 | 1731 | (+ 11) |
| 9 | Guus Gilein | ½ | 1734 | (+ 3) |
| 10 | extern (1277) | 1 | 1733 | (- 1) |
| 11 | Sjaak Ruigrok | 1 | 1746 | (+ 13) |
| 12 | Jack Heemskerk | 1 | 1749 | (+ 3) |
| 13 | Wilfried Binnendijk | 0 | 1745 | (- 4) |
| 14 | Arjan Plug | 0 | 1740 | (- 5) |
| - | extern (1500) | 0 | 1723 | (- 17) |
| 15 | Frank Hordijk | 0 | 1715 | (- 8) |
| 16 | Joop Turk | 0 | 1707 | (- 8) |
| 17 | Rene Janssen | ½ | 1707 | (+ 0) |
| 18 | Henny Bosboom | ½ | 1702 | (- 5) |
| 19 | Sjaak Ruigrok | 0 | 1695 | (- 7) |
| 20 | Jack Heemskerk | 0 | 1680 | (- 15) |
| 21 | extern (1817) | 0 | 1673 | (- 7) |
| 22 | Yunus Erdogan | 1 | 1678 | (+ 5) |
| Huidige ELO: | 1678 |