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* [http://www.talkchess.com/forum/viewtopic.php?t=66775 Feed bayeselo with pure game results without PGN] by [[Sergei Markoff|Sergei S. Markoff]], [[CCC]], March 08, 2018
* [http://www.talkchess.com/forum3/viewtopic.php?f=7&t=70723 The Plan-9 to finally solve chess :)] by [[Sergei Markoff|Sergei S. Markoff]], [[CCC]], May 11, 2019
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=70939 The mystery of Alex Bernstein] by [[Sergei Markoff|Sergei S. Markoff]], [[CCC]], June 06, 2019 » [[Alex Bernstein]]
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=70940 Widely unknown pioneering chess "paper machine" by Gunter Sсhliebs] by [[Sergei Markoff|Sergei S. Markoff]], [[CCC]], June 06, 2019
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