- Add a (analytical) remark
- How do I add a variation applet (NL)?
- Embed Youtube-film
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 | 16-10-2023 Hendrik Veenstra: |
15. ... 16-21
16. 27x16 17-21
17. 16x27 23-28
18. 33x22 18-23
19. 29x18 11-17
20. 22x11 13x44
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| PDN Diagram 1 | |||||
|
15. ... 16-21
16. 27x16 17-21
17. 16x27 23-28
18. 33x22 18-23
19. 29x18 11-17
20. 22x11 13x44
| |||||