Suit Trainer
Lead
Trainer
Suit
Trainer
Master the art of suit combinations
Suit
Trainer
Video guide
How the Suit Trainer works
Opens on YouTube
The Daily
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A set of combinations each day, the same for everyone - three by default. Your first attempt at each is the one that counts, solved first try or not.
After you play, you can see who else solved it first try and join the chat to discuss the hand.
The archive calendar keeps every day you played, each with its own leaderboard and chat. Days you missed cannot be opened later, and replaying a puzzle never changes your recorded result.
Survival
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An endurance run: random combinations come one at a time, and each one you solve extends the run. A single miss ends it.
Your longest run counts on the leaderboard, and the page keeps your recent history.
Practice
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The whole pool of combinations, grouped by how many cards the combination holds. Play any one, or deal a random one you have not solved yet.
After each solve you grade its difficulty from 1 (easiest) to 5 (hardest). Your grades build personal groups - your 1s to 5s, plus everything you missed at least once - so you can go back and repeat the ones you struggled with.
The Solver
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Deal any combination - both hands and a trick target - and step through it card by card. Free and unlimited for everyone, no account needed.
Every card you can play shows its exact success chance, with layout odds and restricted choice built into the number.
Open a card's layouts to explore its full plan: how the line continues after every card the defenders can play, and which layouts it wins or loses. You can select two or more lines to compare them layout by layout.
Positions are shareable - the URL contains the combination, so you can send any position to a friend.
Leaderboard
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Three all-time boards: The Daily (dailies won first try), Survival (deepest run) and Practice (combinations solved).
Accounts & daily allowances
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The Solver is free and unlimited for everyone, with no account needed.
The other modes need a free account, so your results and streaks follow you across devices.
Practice and Survival each draw from a daily allowance: 3 per day free, 10 per day with Pro, unlimited with Master.
The Daily is unlimited for everyone.
Common questions
How do the defenders play?
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The defenders always choose the card that gives them the best chance of winning tricks, given the layouts still consistent with the cards shown - they never give a trick away. Success percentages are computed over every possible lie of the missing cards, weighted by their real odds - vacant places and restricted choice included.
Are the defenders' cards fixed from the start?
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No. The missing cards stay consistent with everything played so far, but they are not dealt in advance: if you do not play the best line, they will lie in the way that stops you from reaching the target, whenever such a layout is still possible.
What counts as solving a combination?
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Taking the stated number of tricks in the suit. If one of your cards lowers your chances, the result panel shows the exact trick, the card that cost, how much it cost, and the card that was better. The guide to
suit combinations
covers the standard holdings, and
safety plays
the ones where you give up a trick to make sure of the rest.
How does the Daily work?
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A set of combinations each day (three by default), the same for everyone. Your first attempt at each is the one that is recorded - solved first try or not - and afterwards you can see the day's leaderboard and join the chat. Replaying later is free and does not change your result.
Can I play a Daily I missed?
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No. The archive calendar only opens the days you actually played - a day you missed cannot be recovered.
How many combinations can I play per day?
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The
Solver
is unlimited for everyone. Practice and Survival each have their own daily allowance: 3 per day on a free account, 10 per day with Pro, unlimited with Master. The Daily is unlimited for everyone.
What is the plan shown behind each card in the Solver?
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The complete strategy of that line, written out branch by branch: which card it plays next for every card the defenders can play, all the way to the end. Restricted choice and the odds of each layout are already taken into account in every continuation.
Why can a line lose a layout that looks winnable?
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A line is a whole plan chosen in advance. It reacts only to the cards that appear - never to cards it cannot see - so it can lose in a layout that would be winnable if you could look at the defenders' hands. The percentages already account for this.
Can I share a position with a friend?
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Yes. In the Solver the URL contains the whole combination - copy it and anyone can open the same position, no account needed.
