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(→Yaku list: split base yaku into "base yaku" and "base yaku that are combinations of other base yaku") |
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== Casual Room == | == Casual Room == | ||
'''Casual Room''' {{kana|交流の間}} <small style="color:#999;">(''Kouryuu no ma'')</small> provides a casual gameplay, without requiring creating a friendly room and find sufficient players manually. The ruleset is identical to normal gameplay | '''Casual Room''' {{kana|交流の間}} <small style="color:#999;">(''Kouryuu no ma'')</small> provides a casual gameplay, without requiring creating a friendly room and find sufficient players manually. The ruleset is identical to normal gameplay. There is no rank change or copper payment, but you cannot gain bond points or chest rewards. | ||
Casual Room is long-term available. | Casual Room is long-term available. | ||
== DoraDorara == | == DoraDorara == | ||
'''DoraDorara''' {{kana|ドラさんモード}} <small style="color:#999;">(''Dorasan moudo'')</small> is a special room with 3 dora indicators revealed in advance | '''DoraDorara''' {{kana|ドラさんモード}} <small style="color:#999;">(''Dorasan moudo'')</small> is a special room with 3 dora indicators revealed in advance. The maximum amount of dora still remains at 5 (plus the 5 uradora), so only the first two kans reveal dora indicators. | ||
== Chaotic Wall Break == | |||
'''Chaotic Wall Break''' {{kana|龍の割目}} <small style="color:#999;">(''Ryuu no wareme'')</small> is a special room with three dora indicators revealed in advance, as well as applying a special [[wareme]] rule. The dora work in the same way as in [[#DoraDorara]]. | |||
One player is designated as the wareme. The payment to and from the wareme player is doubled (excluding honba and riichi bets). Due to the lack of physical wall position, the game determines the wareme player in a different way. In each round, one random player get a wareme marker. This switches randomly every five turns. The same player can be chosen when the marker switches. | |||
== Open Hand Match == | == Open Hand Match == | ||
'''Open Hand Match''' {{kana|配牌公開}} <small style="color:#999;">(''Haipai koukai'')</small> is a special room with the starting hand <small style="color:#999;">(''haipai'')</small> revealed in the beginning. When a round begins, each player's starting hand is revealed, and the starting tiles remain visible in the rest of round. | '''Open Hand Match''' {{kana|配牌公開}} <small style="color:#999;">(''Haipai koukai'')</small> is a special room with the starting hand <small style="color:#999;">(''haipai'')</small> revealed in the beginning. When a round begins, each player's starting hand is revealed, and the starting tiles remain visible in the rest of round. Drawn tiles are concealed as usual. | ||
Other opponents will see the drawn tiles separated from the known tiles, so there is no need to worry about auto-sort. The known tiles will generally make it easier for players to defend, decreasing the frequency of [[ron]]. | |||
== Path of Trial == | == Path of Trial == | ||
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== Battle of Asura == | == Battle of Asura == | ||
'''Battle of Asura''' {{kana|修羅の戦}} <small style="color:#999;">(''Shura no sen'')</small> is a special mode with | '''Battle of Asura''' {{kana|修羅の戦}} <small style="color:#999;">(''Shura no sen'')</small> is a special mode with two major changes: | ||
*The charleston - at the start of the hand, players must select 3 tiles of their choice to exchange with another opponent. | |||
*Resumed play - after a player wins a hand, the round does not end. It only ends when three players have won, tiles are drawn into [[ryuukyoku]], or when a player falls into a negative score. Players that win can no longer draw tiles or lose points. | |||
**The point system works like [[sanma]]. If at least one player has won the hand, wins by tsumo are reduced in value. A win by ron always receives full points. | |||
== Bloodshed Skirmish == | == Bloodshed Skirmish == | ||
'''Bloodshed Skirmish''' {{kana|赤血の戦}} <small style="color:#999;">(''Sekketsu no sen'')</small> applies gameplay of Sichuan Bloody Rules: ''Battle to the Bloody End'' (血战到底). | '''Bloodshed Skirmish''' {{kana|赤血の戦}} <small style="color:#999;">(''Sekketsu no sen'')</small> applies the gameplay of Sichuan Bloody Rules: ''Battle to the Bloody End'' (血战到底). The ruleset and the scoring system are completely different from riichi mahjong. Unlike riichi, offense is heavily preferred, and many defensive strats are no longer useful (some even punished with a heavy penalty). | ||
=== Gameplay === | === Gameplay === | ||
Each match has only four rounds. | *Each match has only four rounds. | ||
*There is no score bonus for being the dealer. Instead of dealership rotating, the first player who won the previous round becomes dealer. If nobody won, the seats are kept. | |||
*Honor tiles are not used, meaning only suited tiles are available, for a total of 108 tiles. | |||
*Each player is forced to exclude a suit ('''Voided Suit''' {{kana|[https://ja.wikipedia.org/wiki/絶一門 絶一門]}} <small style="color:#999;">(''Zetsuichimon'')</small>), thus making a valid hand with at most two suits. Failing to do so leads to a heavy penalty in exhaustive draw. | |||
*The call of [[chii]] is not allowed. | |||
*Like most non-riichi versions of mahjong, there is no [[furiten]], [[dora]], or [[dead wall]] <small style="color:#999;">(''wanpai'')</small> tiles. Also, the scoring system and yaku are much different than riichi. | |||
A complete round is processed as follows: | A complete round is processed as follows: | ||
* Choose three tiles in a same suit and switch between players | * Choose three tiles in a same suit and switch between players. You cannot switch tiles of a suit you have less than three tiles of. | ||
* Determine and declare the unwanted suit. | * Determine and declare the unwanted suit. | ||
* Make winning hands without using any tiles from the unwanted suit. | * Make winning hands without using any tiles from the unwanted suit. | ||
* | * Round ends when three players declare a win, running out of tiles from the wall, or any player is bankrupted. | ||
=== Scoring === | === Scoring === | ||
The score of a hand is only determined by han value and if it won via [[tsumo]]. | |||
A hand's base score as follows: | |||
: Formula: <code>Score = 1000 * 2 ^ (Han - 1)</code> | : Formula: <code>Score = 1000 * 2 ^ (Han - 1)</code> | ||
* (1 han) 1,000 points | * (1 han) 1,000 points | ||
* (2 han) 2,000 points | * (2 han) 2,000 points | ||
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* (6 han) 32,000 points | * (6 han) 32,000 points | ||
These points are then converted based on if it won via ron or tsumo: | |||
* Deal-in win <small style="color:#999;">(''Ron'')</small>: Only the deal-in player needs to pay exactly the score to the winner. | * Deal-in win <small style="color:#999;">(''Ron'')</small>: Only the deal-in player needs to pay exactly the score to the winner. | ||
*: Formula: <code>RonPoints = Score</code> | *: Formula: <code>RonPoints = Score</code> | ||
* Self-draw win <small style="color:#999;">(''Tsumo'')</small>: Every current | * Self-draw win <small style="color:#999;">(''Tsumo'')</small>: Every current player pays the score to the dealer, plus an extra 1,000 points for each player. | ||
*: Formula: <code>TsumoPoints = (Score + 1000) * CurrentPlayers</code> | *: Formula: <code>TsumoPoints = (Score + 1000) * CurrentPlayers</code> | ||
In brief, tsumo is worth much more than ron. Also, there is no bonus for being the dealer. | |||
'''Kan:''' | |||
In addition, when a kan is declared, an instant bonus is applied to each kan immediately. | |||
* Straight kan <small style="color:#999;">(''Daiminkan'')</small>: Kan-feeder pays 2,000 points to kan-claimer. | * Straight kan <small style="color:#999;">(''Daiminkan'')</small>: Kan-feeder pays 2,000 points to kan-claimer. | ||
* Added kan from draw <small style="color:#999;">(''Tsumogiri kakan'')</small>: Each non-winner pays 1,000 points towards kan-claimer. However, if this tile deals into others, the bonus is cancelled and no payment will be applied. | * Added kan from draw <small style="color:#999;">(''Tsumogiri kakan'')</small>: Each non-winner pays 1,000 points towards kan-claimer. However, if this tile deals into others, the bonus is cancelled and no payment will be applied. | ||
* Added kan from hand <small style="color:#999;">(''Tedashi kakan'')</small>: No payment. | * Added kan from hand <small style="color:#999;">(''Tedashi kakan'')</small>: No payment. This prevents players from declaring pon, then kakan, to gain more points than a regular open kan. | ||
* Concealed kan <small style="color:#999;">(''Ankan'')</small>: Each non-winner pays 2,000 points towards kan-claimer. | * Concealed kan <small style="color:#999;">(''Ankan'')</small>: Each non-winner pays 2,000 points towards kan-claimer. | ||
However, if the round ends by exhaustive draw, and a kan-declaring payer is not tenpai, any kan payments are refunded. If a kan player is holding an excluded suit, the kan payment is also refunded. | |||
=== Yaku list === | === Yaku list === | ||
There | There are two types of yakus. | ||
Base yakus are the main yaku. | Base yakus are the main yaku. Only one base yaku can be scored per hand - the highest one is always used. In other words, yaku cannot stack. However, note that many yaku are just combinations of other yaku. For example, if a hand could score Full Flush and All Triplets, it is instead scored as Pure Triplets. | ||
Bonus yakus are additional. | Bonus yakus are additional. They can be stacked arbitrarily as long as the condition is satisfied. Usually those are occasional yakus aside from Root. However, if some bonus yaku can be always guaranteed by the base yaku, these bonus yaku will be deducted when counting. | ||
==== Base yaku ==== | ==== Base yaku ==== | ||
* (1 han) '''Yakuless Win''' {{kana|無番和}} <small style="color:#999;">(''Uufanhou'')</small>: | * (1 han) '''Yakuless Win''' {{kana|無番和}} <small style="color:#999;">(''Uufanhou'')</small>: | ||
*: | *: A hand with no other yaku gains this by default. | ||
*: This can be treated as satisfying the minimum winning condition: Voided Suit. | *: This can be treated as satisfying the minimum winning condition: Voided Suit. | ||
* (2 han) '''All triplets''' {{kana|対々和}} <small style="color:#999;">(''Toitoi'')</small>: | * (2 han) '''All triplets''' {{kana|対々和}} <small style="color:#999;">(''Toitoi'')</small>: | ||
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* (3 han) '''Single Wait after 4 Triplets''' {{kana|金勾釣}} <small style="color:#999;">(''Kinkoutyao'')</small>: | * (3 han) '''Single Wait after 4 Triplets''' {{kana|金勾釣}} <small style="color:#999;">(''Kinkoutyao'')</small>: | ||
*: All four sets are melded, waiting on a single tile. | *: All four sets are melded, waiting on a single tile. | ||
* (4 han) '''2/5/8 Triplets''' {{kana|将対}} <small style="color:#999;">(''Jantoi'')</small>: | |||
*: ''All Triplets'' hand with all tiles made by 2, 5, or 8. | |||
* (6 han) '''Blessing of Heaven''' {{kana|天和}} <small style="color:#999;">(''Tenhou'')</small>: | |||
*: Winning a hand by Tsumo as a dealer in the first turn with the first draw. | |||
* (6 han) '''Blessing of Earth''' {{kana|地和}} <small style="color:#999;">(''Chiihou'')</small>: | |||
*: Winning a hand by Tsumo as a non-dealer in the first turn before any tiles are called. | |||
* (6 han) '''Four Quads''' {{kana|十八羅漢}} <small style="color:#999;">(''Juuhachi Rakan'')</small>: | |||
*: Calling kan for 4 times. | |||
*: Root counting is not applied. | |||
'''Base Yaku that are combinations of other yaku''' | |||
* (4 han) '''Pure Triplets''' {{kana|清対}} <small style="color:#999;">(''Chintoi'')</small>: | * (4 han) '''Pure Triplets''' {{kana|清対}} <small style="color:#999;">(''Chintoi'')</small>: | ||
*: ''Full Flush'' with ''All Triplets''. | *: ''Full Flush'' with ''All Triplets''. | ||
* (4 han) '''Seven Pairs with One Duplicate''' {{kana|龍七対}} <small style="color:#999;">(''Ronchiitoi'')</small>: | * (4 han) '''Seven Pairs with One Duplicate''' {{kana|龍七対}} <small style="color:#999;">(''Ronchiitoi'')</small>: | ||
*: ''Seven Pairs'' hand with two pairs identical. | *: ''Seven Pairs'' hand with two pairs identical. | ||
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* (5 han) '''Pure Single Wait after 4 Triplets''' {{kana|清金勾釣}} <small style="color:#999;">(''Chin Kinkoutyao'')</small>: | * (5 han) '''Pure Single Wait after 4 Triplets''' {{kana|清金勾釣}} <small style="color:#999;">(''Chin Kinkoutyao'')</small>: | ||
*: ''Full Flush'' with ''Single Wait after 4 Triplets''. | *: ''Full Flush'' with ''Single Wait after 4 Triplets''. | ||
* (6 han) '''Pure Seven Pairs with One Duplicate''' {{kana|清龍七対}} <small style="color:#999;">(''Chin Ronchiitoi'')</small>: | * (6 han) '''Pure Seven Pairs with One Duplicate''' {{kana|清龍七対}} <small style="color:#999;">(''Chin Ronchiitoi'')</small>: | ||
*: ''Full Flush'' with ''Seven Pairs with One Duplicate''. | *: ''Full Flush'' with ''Seven Pairs with One Duplicate''. | ||
*: Also decreases one root from total root amount. | *: Also decreases one root from total root amount. | ||
* (6 han) '''Pure Four Quads''' {{kana|清十八羅漢}} <small style="color:#999;">(''Chin Juuhachi Rakan'')</small>: | * (6 han) '''Pure Four Quads''' {{kana|清十八羅漢}} <small style="color:#999;">(''Chin Juuhachi Rakan'')</small>: | ||
*: ''Full Flush'' with ''Four Quads''. | *: ''Full Flush'' with ''Four Quads''. | ||
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*: Winning by the tile drawn from dead wall <small style="color:#999;">(''rinshanpai'')</small> right after declaring a kan. | *: Winning by the tile drawn from dead wall <small style="color:#999;">(''rinshanpai'')</small> right after declaring a kan. | ||
* (1 han) '''Dealing into Win after Kan''' {{kana|嶺上放銃}} <small style="color:#999;">(''Rinshan Houjuu'')</small>: | * (1 han) '''Dealing into Win after Kan''' {{kana|嶺上放銃}} <small style="color:#999;">(''Rinshan Houjuu'')</small>: | ||
*: Winning by the | *: Winning by the discard from another player who just called a kan. | ||
* (1 han) '''Robbing a Kan''' {{kana|槍槓}} <small style="color:#999;">(''Chankan'')</small>: | * (1 han) '''Robbing a Kan''' {{kana|槍槓}} <small style="color:#999;">(''Chankan'')</small>: | ||
*: Winning by the tile from other player's added kan <small style="color:#999;">(''kakan'')</small>. | *: Winning by the tile from other player's added kan <small style="color:#999;">(''kakan'')</small>. | ||
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==== Memorizing base yaku ==== | ==== Memorizing base yaku ==== | ||
The most important yaku to know are [[chinitsu|Full Flush]], [[toitoi|All Triplets]], [[chiitoitsu|Seven Pairs]], and Root (four of the same tile in hand, in any arrangement). | |||
The following rules can help to memorize the entire list by decomposing the yaku. | |||
* Flushing: Full Flush version values +2 han compared to their based version. | * Flushing: Full Flush version values +2 han compared to their based version. | ||
* Triplet-based: All Triplets values 2 han → with +1 han for All Melded → maximum 6 han for All Quads. | * Triplet-based: All Triplets values 2 han → with +1 han for All Melded → maximum 6 han for All Quads. | ||
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=== Penalty === | === Penalty === | ||
When a round goes to an exhaustive draw, a special hand rechecking is applied to all non-winners. | When a round goes to an exhaustive draw, a special hand rechecking is applied to all non-winners. | ||
* Ready <small style="color:#999;">(''Tenpai'')</small>: Incomplete hand is winnable with one extra tile. | * Ready <small style="color:#999;">(''Tenpai'')</small>: Incomplete hand is winnable with one extra tile. | ||
* Voided Suit: All tiles of unwanted suit are fully discarded. | * Voided Suit: All tiles of unwanted suit are fully discarded. | ||
Failing to achieve those conditions will lead to a heavy penalty. | Failing to achieve those conditions will lead to a heavy penalty. | ||
* Not-ready <small style="color:#999;">('' | * Not-ready <small style="color:#999;">(''noten'')</small>: Pays for the ''highest'' possible score <small style="color:#999;">(''takame'')</small> towards ready players, as if they already dealed into others in game (occasional yakus won't be counted, of course). | ||
* Pied: | * Pied (having tiles of a voided suit): Pay all non-winning opponents, including those who are not-ready. In addition, the payment is set a minimum of 4 han. | ||
=== Strategy === | |||
SBR is much more offensive than riichi mahjong. With such high noten penalties, it is always recommended to try to keep tenpai (or at least, advance towards it). If you give up tenpai, you'll just have to pay it back at the exhaustive draw. Trying to hold a tile from the excluded suit is especially risky and almost never recommended. Due to those reasons, the lack of [[furiten]], and lack of riichi calls, defense is much weaker than in riichi mahjong. | |||
There is no score penalty towards opening your hand. Therefore, triplets are more powerful, and [[shanpon]] waits become more common. Triplets also get the benefit of enabling kan, which increases score through kan payments and root. | |||
A hand using sequences rarely scores yaku. The only yaku that allow sequences are chinitsu, junchan, root, and the other bonus yaku. Still, keeping sequences will let your hand develop faster, thus allowing you to escape payment from others. Plus, even a yakuless tsumo is worth 6000 points if nobody has won yet. | |||
== Event Room == | == Event Room == | ||
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** When a game ends, all of the untaken bets will be given to the first place. | ** When a game ends, all of the untaken bets will be given to the first place. | ||
* Nagashi Mangan and Furiten will be only determined by visible discards. | * Nagashi Mangan and Furiten will be only determined by visible discards. | ||
== Dreamland Odyssey == | == Dreamland Odyssey == | ||
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*Azure Bonus is gained for each consecutive tedashi discard (discarding a tile other than the one you drew) in the pond. The bonus is equal to 1 han for 3 discards, 2 han for 6 discards, 3 han for 9 discards, 5 han for 12 discards, 12 han for 18 discards. | *Azure Bonus is gained for each consecutive tedashi discard (discarding a tile other than the one you drew) in the pond. The bonus is equal to 1 han for 3 discards, 2 han for 6 discards, 3 han for 9 discards, 5 han for 12 discards, 12 han for 18 discards. | ||
*Crimson Bonus is gained for each consecutive tsumogiri discard (discarding the tile you drew) in the pond. The bonus is equal to 1 han for 3 discards, 2 han for 5 discards, 3 han for ? discards, 5 han for ? discards, 12 han for 12 discards. | *Crimson Bonus is gained for each consecutive tsumogiri discard (discarding the tile you drew) in the pond. The bonus is equal to 1 han for 3 discards, 2 han for 5 discards, 3 han for ? discards, 5 han for ? discards, 12 han for 12 discards. | ||
A hand can score both the Azure Bonus and the Crimson Bonus. Notethat bonuses consider the amount of consecutive tiles ''in the pond''. Therefore, an opponent [[naki|calling]] a discard means that tile won't count towards either bonus. Also, the tedashi/tsumogiri discards have to be consecutive, so 2 tedashi -> 1 tsumogiri -> 1 tedanshi does not grant Azure Bonus 1. | |||
== Tournament == | == Tournament == |
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