Riichi Mahjong
This four-player Japanese Riichi table follows the approved World Riichi Championship 2025 baseline: no red fives, one-winner head-bump, and a 30,000-point start.
Tap Start Game to load the board. The rules and tips below are always visible — no account required.
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How to play
- Each player starts with 13 tiles. Draw one tile and discard one, aiming for four sets and a pair; Seven Pairs and Thirteen Orphans are also valid closed shapes.
- A complete shape is not enough: the hand needs at least one yaku. Dora adds value but is not a yaku by itself.
- Chi is available only from the player on your left. Pon, Kan and Ron may be called from any opponent, subject to claim priority.
- Keep the hand closed and reach tenpai to declare Riichi. Choose a highlighted discard and place a 1,000-point stick.
- Win by Tsumo on your own draw or Ron on an opponent discard. Under WRC head-bump, only the first winner in turn order receives the Ron.
- The match runs through East and South rounds. In this product baseline, a dealer win or an exhaustive draw keeps the dealer; exhaustive draws use a 3,000-point noten payment.
- This table uses 136 tiles, a 14-tile dead wall, Dora indicators and no red fives.
Game features
- World Riichi Championship 2025 baseline — no red fives, head-bump Ron and 30,000-point start.
- Full yaku gate, Dora indicators and a 14-tile dead wall for authentic competitive flow.
- Riichi declaration with 1,000-point stick, Tsumo and Ron wins with turn-order priority.
- Readiness hint tracks shanten so you can learn tenpai without guessing tile counts.
- East and South rounds with dealer continuation on dealer wins and exhaustive draws.
Supported devices
Riichi Mahjong plays in your browser on desktop, laptop, tablet and phone without installing an app. Mobile landscape is recommended for reading opponent discards and your hand together. Supported browsers include current Chrome, Safari, Firefox and Edge on Windows, macOS, Linux, Android and iOS.
Strategy tips
- Secure a yaku before chasing Dora: bonus tiles cannot make an otherwise yaku-less hand legal.
- Compare shanten and effective tiles before every discard; keep shapes with more improving draws.
- Against Riichi, begin with genbutsu, then use suji and visible tile walls to reduce risk.
- Declare Riichi deliberately: compare wait quality, hand value, remaining tiles and the match score.
- Do not force low-value attacks late in the hand when a safer fold protects your position.
Frequently asked questions
How is Riichi different from Chinese mahjong?
Riichi requires a scoring pattern before a win can be declared, values concealed hands more highly, and uses a different scoring table. The draw-and-discard core is the same, so the two transfer easily.
Is this a good place to learn Riichi?
It is a good place to get comfortable with the flow, the calls and the common patterns. The readiness hint shows how far you are from a complete hand, which is the single most useful thing for a new player to see.
