upgrade chess module to support ++ PGN mate notation
sk "slovenčina" translation #9050. Author: MoKy.
de "Deutsch" translation #9052. Author: schachfl. removed "elo-rage"
add game by id API entry point
improve game textual representation
denormalize presence of game analysis, expose filter in API
use Game.analysed denormalization in search indexer
unify game API and analysis API
fix anon blind mode
accessibility: buttons rather than <a> without href
no captcha for blind dudes
give 15 seconds on deploy
fix blinking pieces (was a redirect due to bad asset domain)
upgrade chess module to support more PGN formats
fix flickering of board editor pieces
puzzle: somehow this fixes the production build
puzzle: add missing chess.js extern - fixes underpromotion
zh "中文" translation #9053. Author: squares-64. I just added everything that was missing, except where the percentages were because I didn't know what to do...
translate coordinate trainer, use icons for color buttons
fix positioning of high rated graph seeks