You Won. That Doesn’t Mean You Played Well.
Winning doesn’t always mean you played well. Sometimes the most valuable lesson is hidden in the mistake your opponent failed to punish.
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Zen by reinit
Personal chess analysis workspace
Understand your games.
Practice makes perfect.
Zen is a chess analysis workspace for your Chess.com, Lichess, and PGN games. Find the turning point, understand the reply, and practice what comes next.
Free to use. Start with a game, without an account. Cassia requires a free account and has usage limits.
Behind Zen
Two articles about the questions behind the workspace: what a win can hide, and what a chess explanation should be able to prove.
Why a chess coach shouldn’t be allowed to invent the position
Why Cassia’s explanations follow engine analysis, with a real position showing the missed defense and an alternative you can check on the board.
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