Changes

==2015 ...==

* [[Lyudmil Tsvetkov]] ('''2017'''). ''[http://www.secretofchess.com/ The Secret of Chess]''. [https://www.amazon.com/Secret-Chess-Lyudmil-Tsvetkov-ebook/dp/B074M85CVV amazon] <ref>[http://www.talkchess.com/forum/viewtopic.php?t=64776 The Secret of Chess] by [[Lyudmil Tsvetkov]], [[CCC]], August 01, 2017</ref> <ref>[http://davidsmerdon.com/?p=1970 The Secret of Chess? - Review] by [https://en.wikipedia.org/wiki/David_Smerdon David Smerdon], December 03, 2017</ref> <ref>[https://en.chessbase.com/post/the-secret-of-chess The Secret of Chess] by [https://en.wikipedia.org/wiki/David_Smerdon David Smerdon], [[ChessBase|ChessBase News]], December 22, 2017</ref>

* [[Lyudmil Tsvetkov]] ('''2017'''). ''Human Versus Machine: How To Beat Stockfish and Komodo Part I''. [https://www.amazon.com/Human-Versus-Machine-Stockfish-Komodo/dp/1549916785/ref=pd_sbs_14_1?_encoding=UTF8&psc=1&refRID=FBG86QDJJ6KEC9R3S3R6 amazon] <ref>[http://www.hiarcs.net/forums/viewtopic.php?t=8613 Human versus Machine] by [[Lyudmil Tsvetkov]], [[Computer Chess Forums|Hiarcs Forum]], October 08, 2017</ref>

* [[Lyudmil Tsvetkov]] ('''2017'''). ''Human Versus Machine: How To Beat Stockfish and Komodo Part II''. [https://www.amazon.com/Human-Versus-Machine-Stockfish-Komodo/dp/1973149176/ref=pd_sbs_14_1?_encoding=UTF8&psc=1&refRID=E45S7G3F2K5VWGZATMJ9 amazon]