My practical answer: start with five mixed puzzles or fifteen minutes, whichever arrives first. Do not increase the number until you can finish without guessing.
Count serious attempts, not completed screens
“Ten puzzles” can describe ten minutes of guessing or an hour of difficult calculation. Those are completely different training sessions. Time, difficulty, and attention matter more than the raw count.
A puzzle is a serious attempt when you identify candidate moves, calculate the opponent’s best reply, and commit because you believe the line works. If you are clicking moves to discover the answer, the count has stopped measuring useful practice.
A simple guide by experience
When more puzzles help
Higher volume is useful when the positions are deliberately easy and you are learning a pattern. Repeating simple forks or mate-in-one positions helps the shape become familiar. The purpose is recognition, so a quicker pace is appropriate.
For mixed or difficult puzzles, additional volume often means lower-quality calculation. Three positions that force you to visualise several moves can be a full session.
Signs you should stop for the day
- You play the first check without comparing alternatives.
- You repeatedly say “I knew that” after revealing an answer you did not calculate.
- You care more about recovering rating points than understanding the position.
- You cannot explain why your last move failed.
The last point is the clearest test. If you cannot explain the miss, another puzzle will probably add noise rather than practice.
Should you train every day?
Daily practice is easy to remember, but there is nothing magical about a streak. Four focused sessions can make a perfectly good week. Pick a schedule that survives deadlines, travel, and the occasional evening when chess is the last thing you want to look at.
What should you track?
Track whether you found the right candidate, whether your calculated line matched the solution, and which motif caused trouble. Puzzle rating can indicate whether difficulty is moving in the right direction, but it is not the same as playing strength. The most useful signal is whether tactical moments become easier to recognise and calculate in your own games.
The recommendation
Try five puzzles for a week. Use the careful puzzle-solving method and stop early if you begin to guess. If five regularly takes too long, make it three. If the positions are easy pattern drills, do more. On crowded days, use the five-minute routine.