- Add a (analytical) remark
- How do I add a variation applet (NL)?
- Embed Youtube-film
- Rules for comments
 | 25-01-2021 Paul Sier: |
54. ... 26-31 55. 32x23 36-41 56. 37x26 41-47 ZW+
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| PDN Diagram 1 | |||||
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54. ... 26-31 55. 32x23 36-41 56. 37x26 41-47 ZW+
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