How to analyze your own chess games (the right way)

Most players “analyze” a game by flicking through the moves while an engine bar wobbles up and down. You see that move 20 was bad — but you don’t learn anything, because you never figure out *why* you played it. Here’s a process that actually moves your rating.

1. Review before you turn the engine on

Play through the game once with no engine. At each of your moves, ask: what was I trying to do here? Where did I feel uncomfortable? Mark the moments you weren’t sure. Those are your real lessons — the engine just confirms them.

2. Find the turning points, not every inaccuracy

You don’t need to fix 40 small inaccuracies. You need the 2–3 moves that actually changed the result — a hung piece, a missed tactic, the moment a winning position slipped. Fixing those is worth 200 rating points; obsessing over a 0.3 “inaccuracy” is not.

3. For each mistake, name the cause

This is the step everyone skips. Don’t just note “Rxe4 was better.” Name the *category*: did you hang a piece? Miss a fork? Violate an opening principle? Drift with no plan? Patterns repeat — once you can name your mistake, you start catching it at the board.

• Tactical: hung piece, missed fork/pin/skewer, allowed a tactic.
• Positional: bad bishop, weak king, no plan, wrong pawn break.
• Time: the blunder you made with under a minute on the clock.

4. Turn the fix into a rep

Understanding a mistake once doesn’t stop you repeating it. Drill the pattern: do a few puzzles on that exact theme, or replay the position and find the right move. Repetition is what converts “I see it now” into “I’d never play that.”

Let a coach do the heavy lifting

This process works, but it’s slow by hand. Deepline does it automatically: it reviews your games, surfaces the handful of turning points that mattered, names the cause of each, and builds puzzles from your own blunders so you actually stop repeating them.