At the start, usually not. Rules, basic checkmates and the first puzzles are learned perfectly well alone, and paying for them is unnecessary.
A coach becomes worthwhile when one of these appears:
What a coach does not do: replace playing. Lessons without tournaments produce a person who knows a lot and loses to people who know less - a study plan from scratch.
Playing strength is the first thing everyone checks and the least useful. A grandmaster is not automatically a good teacher, and a candidate master with teaching experience is often better for a beginner.
For a child specifically, the group usually matters more than the coach: children stay in chess because of the company, and leave when they are the only one their age in the room.
Online coaching works, and for adults it is often the better option. The differences that actually matter:
Prices vary by country and city by an order of magnitude, so only the structure is worth stating rather than figures:
A useful benchmark: the price should be comparable to other private tuition in your area. Anything far above that needs a justification beyond a title.
Almost every coach offers one. What a good one looks like:
Bring two or three of your own games to the trial lesson, ideally losses. It is the fastest way for a coach to see what is wrong - and for you to see whether they can spot it - how to review games yourself.
And the clearest test of all for a child: after a couple of months, do they want to go to the lesson? With a good coach they do. If every session needs persuasion, the coach is wrong - or chess is, for now - whether chess suits your child.
Practical advice: go to a club evening first and simply talk to people. In half an hour you will learn more about the local coaches than from any listing site - club events.
Not at the start: rules, basic checkmates and early puzzles are learned alone. A coach becomes worthwhile once progress stalls, once it is unclear what to work on, or when external discipline is needed. For children a coach is often also a club and a peer group.
No. Playing strength is the least useful criterion: a grandmaster is not automatically a good teacher, and for a beginner a coach with teaching experience at that level is usually better. Ask who their current students are and what happened to them.
For beginners of any age, groups are often better: cheaper, and you learn from other people's mistakes as well as your own. For children the group is frequently the main value. Individual lessons make sense for a specific problem or once the level outgrows the group.
For adults, usually yes, and it widens the choice enormously. Under about ten years old, in person is better: holding a young child's attention through a screen is hard. In-person coaching also usually comes with a club.
The coach asks about your goals, looks at one or two of your own games rather than starting from a textbook, names the specific weaknesses they saw, and explains how lessons will work. Bring two or three of your games, preferably losses.
Teaching openings from the first lesson, never looking at your games, being unable to explain simply, promising a rating by a date, dismissiveness about mistakes, and setting no homework. For a child, the clearest test is whether they want to go.
The Vibe Chess app opens from a link and needs no installation. Setting up a tournament takes a minute: pick the system, set the date, the venue and the time control - the app handles the rest.
for a large field: opponents are matched by score, you choose the number of rounds
for a small circle: everyone plays everyone, the round count follows from the field
no rounds, no pairings: players sign up and pick opponents at the table
The bot is constantly improved based on real tournaments. If you need a feature that isn't there yet, message the developers right inside the bot with the /support command. Many features appeared exactly because organizers asked for them, and useful ideas get added quickly.
Improvement - learning as an adult, reviewing your games. For parents - chess for children, what age to start.