What counts as a missed tactic, blunder, or questionable move
A missed tactic usually means a forcing resource was overlooked: check, capture, pin, or continuous threat. A blunder is more severe and often causes a clear evaluation drop after one move. A questionable move may not lose immediately, but it makes the position harder or structurally worse.
When checking with an engine, do not look only at the sign of the score. The key signal is the size of the swing and the gap between candidate moves. If the played move is far from the best line and the continuation is concrete, the node deserves separate review.
- Missed tactics usually involve forcing resources.
- Blunders often come with a clear score drop or direct tactical loss.
- Questionable moves may not lose at once but reduce future position quality.
The position turns sharply on move 24; this is a good place to review the recommendation.