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Free tool点数計算

Riichi score calculator

Han and fu in, points out. See who pays what, with honba and riichi sticks counted.

  • Free
  • No sign-up
  • Shareable link

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Guide

How to use it

  1. Pick the han and the fu. At 5 han and up the fu stop mattering, so the fu box locks.
  2. Not sure of the fu? Open Help me count fu, describe the wait, the pair and the four melds, then press Use to copy the total across.
  3. Set who won (dealer or not) and how (ron or tsumo).
  4. Add honba and any riichi sticks on the table. The result shows what each player pays and what you collect.
  5. Playing three-player? Pick 3 (sanma) under Players, then pick how a tsumo pays.
  6. Copy the link to send the exact hand to a friend. The table at the bottom rings your cell.
Rules

Rules this tool assumes

  • Basic points are fu x 2^(2 + han), capped at mangan. Payments round up to the next 100.
  • Mangan from 5 han, or 4 han 40 fu and 3 han 70 fu. Haneman 6-7, baiman 8-10, sanbaiman 11-12, kazoe yakuman 13+.
  • Kiriage mangan is off by default. Switch it on and 4 han 30 fu and 3 han 60 fu pay a mangan.
  • Double and triple yakuman stack.
  • Each honba adds 300 to a ron, or 100 from each payer on a tsumo. Each riichi stick is worth 1,000 to the winner.
  • At three players a honba adds 300 to a ron on Mahjong Soul, the default, and 200 on Tenhou. A tsumo adds 100 from each of the two payers.
  • Pinfu tsumo is 20 fu, seven pairs is 25 fu, and an open hand with no fu is rounded to 30.

Press Print under the table for the non-dealer chart, then the dealer chart. The printable cheat sheet adds fu, every yaku and the calls. The scoring guide counts fu step by step, with worked hands.

Three players

Sanma scoring: what changes

Three-player riichi (sanma) keeps the han and fu, and a ron's hand value is the four-player one. The tsumo and the set change, and the honba depend on where you play. The list follows Tenhou's three-player tables and notes where Mahjong Soul matches or differs.

  • 108 tiles. The 2 to 8 of characters come out. With them gone, a 1-man indicator makes the 9-man the dora, and a 9-man indicator makes the 1-man the dora.
  • No chii. You can only call pon and kan.
  • North is a bonus tile. Set it aside, draw a replacement, and it counts as a dora. Mahjong Soul plays it too. Keep north in a set instead and it's a wind with no yaku.
  • Tsumo loss. A tsumo collects the usual shares from two players, not three. A non-dealer mangan is 8,000 by ron but 2,000 + 4,000 = 6,000 by tsumo. A dealer mangan is 12,000 by ron but 4,000 + 4,000 = 8,000 by tsumo. Mahjong Soul ranked games pay the same way.
  • Honba depend on the site. Mahjong Soul keeps the four-player 300 a honba on a ron. Tenhou charges 200. On both, a tsumo adds 100 from each of the two payers. The calculator starts on Mahjong Soul. Playing on Tenhou? Pick it under Honba rules above.
  • 35,000 start, 40,000 return. The placement bonus is +20, 0, and -20.

Some rules split the missing north share between the two payers instead, rounded up to 100. SEGA's MJ plays it that way: a non-dealer mangan tsumo is 3,000 + 5,000. Pick North split above to use it. The honba rule you pick holds in both modes: 300 or 200 on a ron, 100 a payer on a tsumo. SEGA charges 1,000 a honba.

Parlors write their own sanma rules. Two Namba parlors charge 1,000 a honba, and neither has tsumo loss. Read the rule card before your first hand.

New to three-player? The sanma guide covers the tiles, pulling north, honba, and Tenhou's three-player ranks.

Sources:

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