- Add a (analytical) remark
- How do I add a variation applet (NL)?
- Embed Youtube-film
- Rules for comments
 | 19-09-2017 Peter Boonstra: |
31. 15-11 21-25 32. 20-16 12x19 33. 11-08 25-29 34. 08-03 14-18 35. 03-21 =
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| PDN Diagram 1 | |||||
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31. 15-11 21-25 32. 20-16 12x19 33. 11-08 25-29 34. 08-03 14-18 35. 03-21 =
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