First, links to a few unrelated projects:
Click here to reach another project of mine: a book on classical english rhetoric.
Or here for another: a book on rhetorical uses of metaphor.
Or here for a book of tools for thinking about legal questions.
Or here for those interested in a book about the law of restitution (you never know!).
Below are links to more on chess tactics; let me know of others and they will be added:
Chess Tactics Server: http://chess.emrald.net/
Chess cafe tactics puzzles here.
Chess.com server: http://www.chess.com/tactics/
Tactics trainer: https://chess24.com/en/learn/tactics-trainer
Chess tempo: http://chesstempo.com/chess-tactics.html
http://www.ukchessblogger.com: an interesting chess blog. Check it out.
http://www.chessmemoryaids.com/ is an interesting and enthusiastic new site for developing tactical skill. It has lessons, many of which point back to this site, and a number of other resources as well.
A new source for more tactical instruction: https://www.chessable.com/chess-tactics/
Michael Goeller has an extensive index of good online chess resources, along with some other interesting material devised by the author.
Mark Weeks's "About Chess" page is another great place to go to find learning materials -- his own, and links to those of others.
The University of Pittsburgh Chess Club Page has another impressive collection of links.
Stuart the Maniac's Chess Closet has lots of useful links to chess sites with ratings of them; there is other interesting stuff there, too, including a system of inquiries to consider before making a move.
Another source of lovely handmade chess sets: https://www.justwhatuwant.co.uk/handmade-chess-sets/
More good sources of chess links:
Rick Kennedy has an interesting new blog up on the Jerome Gambit.
Come back soon for more.