Rules for 4-player Ranking Match
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25000 point start with 30000 point return.
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10-20 uma.
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Atozuke allowed.
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Kuikae (swap calling) disallowed.
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Option to allow or disallow open tanyao.
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One red five in each suit if red dora are allowed.
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Tenpai renchan.
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Sudden death rule if all players are below 30000 points after the last round. Tonpuusen can go into south round; hanchan can go into west round. Game ends if a player exceeds 30000 points or if the extra round ends.
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A player going into negative points (busting out) ends the game.
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Automatic agariyame and tenpaiyame for last dealer who ends in 1st place.
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Points at end of round are rounded to the nearest 1000.
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1st place player gets any riichi sticks left on the table at the end of the game.
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At the end of the round, rankings for players with the same amount of points is determined by dealer order.
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Double wind tile is worth 4 fu as the pair.
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Rinshan kaihou gains the 2 fu for tsumo.
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No ryanhan shibari.
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Abortive draws (kyuushuukyuuhai, suucha riichi, sanchahou, suukaikan, suufuurenda) allowed. All abortive draws result in renchan.
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Nagashi mangan allowed. Tenpai payments are changed to a mangan payment. Dealer renchan if tenpai.
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Nagashi mangan only if none of that player’s discards have been called. That player may call other players’ discards and still claim nagashi mangan.
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Double ron allowed. Honba payments and riichi sticks go to player closest to the player who dealt in by turn order.
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If one of the two players who won by double ron is dealer, there is renchan.
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Pao for daisangen and daisuushii. Honba payments paid by the player to whom pao is applied.
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Keishiki tenpai allowed. Tenpai that requires a fifth copy of a tile is allowed.
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Riichi can only be declared by a player who has at least 1000 points and has at least one more draw.
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Furiten riichi allowed.
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Passing a winning tile after riichi is allowed. Results in permanent furiten.
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Ankan after riichi is allowed only if it does not change the waits of the hand.
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Kandora and kanuradora allowed.
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Kandora are revealed immediately after ankan. Kandora are revealed late after daiminkan or shouminkan.
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Temporary furiten removed when discarding a tile. Other players’ calls do not remove temporary furiten.
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Paarenchan, renhou, sanrenkou, and other optional yaku disallowed.