Overzicht ontwikkeling ELO-rating voor Pieter van Zoest (startELO: 1451)
| Ronde | Tegenstander | Score | Elo | |
|---|---|---|---|---|
| 1 | Ron Berendsen | 0 | 1446 | (- 5) |
| 2 | Piet de Mol | 0 | 1442 | (- 4) |
| 3 | John Legierse | 1 | 1450 | (+ 8) |
| 4 | Fred Visschers | 0 | 1425 | (- 25) |
| 5 | Gerard Hendriksen | 1 | 1431 | (+ 6) |
| 6 | extern (1273) | 1 | 1440 | (+ 9) |
| 7 | Theo Wolters | 0 | 1432 | (- 8) |
| 8 | Gerrie Arends | ½ | 1436 | (+ 4) |
| 11 | extern (1384) | 0 | 1419 | (- 17) |
| 12 | Matheus Janssen | 1 | 1447 | (+ 28) |
| 13 | Wim Groeneveld | 1 | 1456 | (+ 9) |
| 14 | Patriek Vleeming | 0 | 1449 | (- 7) |
| 15 | Theo Wolters | 0 | 1441 | (- 8) |
| 17 | John Legierse | 0 | 1419 | (- 22) |
| 18 | Gerard Hendriksen | 1 | 1425 | (+ 6) |
| 19 | Patriek Vleeming | 0 | 1420 | (- 5) |
| 20 | extern (1521) | 0 | 1409 | (- 11) |
| 21 | Wim Groeneveld | 1 | 1417 | (+ 8) |
| 22 | Fred Visschers | 1 | 1425 | (+ 8) |
| 23 | Chris Heil | 1 | 1435 | (+ 10) |
| 24 | Jan Elfrink | 0 | 1430 | (- 5) |
| 25 | Gerard Hendriksen | 1 | 1435 | (+ 5) |
| 26 | Piet de Mol | 0 | 1432 | (- 3) |
| 27 | Wim Groeneveld | 1 | 1438 | (+ 6) |
| 28 | Matheus Janssen | 0 | 1435 | (- 3) |
| Huidige ELO: | 1435 |