Overzicht ontwikkeling ELO-rating voor Marcel Groen (startELO: 1682)
| Ronde | Tegenstander | Score | Elo | |
|---|---|---|---|---|
| 1 | Gerrie Arends | 1 | 1691 | (+ 9) |
| 2 | Ron Berendsen | ½ | 1693 | (+ 2) |
| 3 | Piet de Mol | ½ | 1695 | (+ 2) |
| 4 | Wim Groeneveld | 1 | 1697 | (+ 2) |
| 5 | Victor Tichelman | 1 | 1714 | (+ 17) |
| 6 | extern (1511) | 1 | 1721 | (+ 7) |
| 7 | Jan Elfrink | 0 | 1707 | (- 14) |
| 8 | Matheus Janssen | 0 | 1697 | (- 10) |
| 9 | Fred Visschers | 1 | 1698 | (+ 1) |
| 10 | John Legierse | 1 | 1700 | (+ 2) |
| 11 | extern (1649) | 1 | 1713 | (+ 13) |
| 12 | Piet de Mol | 0 | 1703 | (- 10) |
| 13 | Fred Visschers | 1 | 1705 | (+ 2) |
| 14 | Wim Groeneveld | 1 | 1707 | (+ 2) |
| 15 | Gerrie Arends | 0 | 1685 | (- 22) |
| 16 | extern (1583) | ½ | 1681 | (- 4) |
| 18 | Matheus Janssen | 1 | 1703 | (+ 22) |
| 19 | John Legierse | 1 | 1705 | (+ 2) |
| 20 | extern (1623) | 1 | 1717 | (+ 12) |
| 21 | Jan Elfrink | ½ | 1718 | (+ 1) |
| 22 | Patriek Vleeming | ½ | 1716 | (- 2) |
| 23 | extern (1727) | ½ | 1717 | (+ 1) |
| 27 | Ron Berendsen | 0 | 1704 | (- 13) |
| Huidige ELO: | 1704 |