Overzicht ontwikkeling ELO-rating voor jan tuinstra (startELO: 1500)
| Ronde | Tegenstander | Score | Elo | |
|---|---|---|---|---|
| 1 | thomas douma | 0 | 1490 | (- 10) |
| 2 | johnny visser | 0 | 1477 | (- 13) |
| 3 | auke de jong | 0 | 1467 | (- 10) |
| 4 | andre tanis | 0 | 1456 | (- 11) |
| 5 | ab kuling | 0 | 1447 | (- 9) |
| 6 | stefan krist | 0 | 1441 | (- 6) |
| 7 | derk brom | 0 | 1434 | (- 7) |
| 9 | bolinda koers | 0 | 1420 | (- 14) |
| 10 | rob anthonijsz | 1 | 1432 | (+ 12) |
| 12 | stefan krist | 0 | 1427 | (- 5) |
| 13 | johnny visser | 1 | 1435 | (+ 8) |
| 14 | appie kamstra | 0 | 1426 | (- 9) |
| 15 | thomas douma | 0 | 1417 | (- 9) |
| 17 | johnny visser | 1 | 1425 | (+ 8) |
| 18 | ab kuling | 1 | 1436 | (+ 11) |
| 19 | derk brom | 0 | 1430 | (- 6) |
| 20 | bolinda koers | 1 | 1437 | (+ 7) |
| 21 | rob anthonijsz | 1 | 1448 | (+ 11) |
| 22 | peter koning | 0 | 1447 | (- 1) |
| 23 | klaas jaap soeten | 0 | 1438 | (- 9) |
| 24 | thomas douma | ½ | 1439 | (+ 1) |
| 25 | David Romkes | 1 | 1440 | (+ 1) |
| 26 | ab kuling | 1 | 1451 | (+ 11) |
| Huidige ELO: | 1451 |