"Tactics is knowing what to do when there is something to do, strategy is knowing what to do when there is nothing to do." - GM Savielly Tartakower (1887-1956).
"I prefer to lose a really good game than to win a bad one"
David Levy
Chess in the Movies (https://en.chessbase.com/post/chess-in-the-movies)
Chess History (http://www.chesshistory.com/winter/index.html)
List of World Records in Chess (https://en.wikipedia.org/wiki/List_of_world_records_in_chess)
Great Brilliancy Prize Games of the ChessMasters (http://www.chessgames.com/perl/chesscollection?cid=1019898)
List of Chess Grandmasters (https://en.wikipedia.org/wiki/List_of_chess_grandmasters)
U.S.Chess (https://new.uschess.org/home/)
Lichess (https://lichess.org/)
Chess Timeline (https://en.wikipedia.org/wiki/Timeline_of_chess)
The Elo Rating System for Chess and Beyond (https://www.youtube.com/watch?v=AsYfbmp0To0)
What sorcery is this?
https://www.google.com/search?source=hp&ei=vOhhW_iwLLy90PEPrImkkAc&q=chess+what+sorcery+is+this&oq=chess+what+sorcery+is+this&gs_l=psy-ab.3...3893847.3900868.0.3902731.29.27.0.0.0.0.126.2395.23j3.26.0....0...1.1.64.psy-ab..3.23.2149.0..0j35i39k1j0i131k1j0i22i30k1j0i22i10i30k1j33i160k1j33i22i29i30k1.0.w-2YGJuGFXg
AlphaZero's Chess Games (http://www.chessgames.com/perl/chessplayer?pid=160016) - only have 10 games for now.
http://play.lczero.org/
Artificial Inteligence Leela Zero to Become as Strong as Alpha Zero? | Only if We Help!
https://www.youtube.com/watch?v=n8ZzqHhGjtc
https://lichess.org/@/LeelaChess
AlphaZero's future chess rival | Leela Chess Zero (LCZero):
https://www.youtube.com/watch?v=6CLXNZ_QFHI
An online chess engine:
http://analysis.cpuchess.com/
https://lichess.org/analysis#2
Online chess computer:
https://www.chessmail.eu/pages/chess-computer.html
https://www.chess.com/play/computer
http://chessok.com/?page_id=357
http://www.chessgames.com/index.html
I watch this chess channel every day, it's great for entertainment and learning:
https://www.youtube.com/channel/UCL5YbN5WLFD8dLIegT5QAbA
Antonio has some very incisive analysis of the best games in history!
I've recently been studying the London system opening for white, because it seems pretty easy to learn and can lead to some interesting attacks. Here are some games with it at chessgames.com:
http://www.chessgames.com/perl/chesscollection?cid=1019613
https://thechessworld.com/articles/openings/the-london-system-on-the-spotlight/
Chess Endgame of the Day:
http://chessendgames.com/EndgameOfTheDay.aspx
Chess Puzzles:
http://chessok.com/?page_id=359
Spectacular queen sacrifices
http://www.chessgames.com/perl/chesscollection?cid=1022437
Vincent Keymer (http://www.chessgames.com/perl/chessplayer?pid=155740)
Rashid Gibiatovich Nezhmetdinov (http://www.chessgames.com/player/rashid_gibiatovich_nezhmetdinov.html)
Andor Lilienthal (http://www.chessgames.com/player/andre_lilienthal.html)
Here are games from the book The most instructive games of chess ever played:
http://www.chessgames.com/perl/chesscollection?cid=1000119
These are from World's Greatest Chess Games
http://www.chessgames.com/perl/chesscollection?cid=1000082
Some games from 500 Master Games of Chess
http://www.chessgames.com/perl/chesscollection?cid=1020324
Jose Raul Capablanca
http://www.chessgames.com/player/jose_raul_capablanca.html
My Best Games of Chess - Vishy Anand
http://www.chessgames.com/perl/chesscollection?cid=1000846
My Best Games Of Chess 1924-1937 - A. Alekhine
http://www.chessgames.com/perl/chesscollection?cid=1035089
Chess Games of Paul Morphy
http://www.chessgames.com/player/paul_morphy.html
Chess Games of Efim Bogoljubov
http://www.chessgames.com/perl/chessplayer?pid=10614
Hastings 1895 tournament:
http://www.chessgames.com/perl/chess.pl?tid=79221