Suushiihou: Difference between revisions

Suushiihou
Type	Yakuman
Kanji	小四喜; 大四喜
English	Little four winds; Big four winds
Value	Yakuman
Speed	Very slow
Difficulty	Very hard

VisualWikitext

Latest revision as of 16:42, 29 August 2024

Suushiihou 「四喜和」 are a group of two wind-based yakuman:

Shousuushii 「小四喜」: Have triplets/quads of three winds, and a pair of the last wind.
Daisuushii 「大四喜」: Have triplets/quads of all four winds.

Both are worth yakuman, though daisuushii can be worth double yakuman, depending on the ruleset.

Tile diagram

In this case, the takame tile will give daisuushii, while the yasume will give shousuushii.

Value

Shousuushii is almost universally scored as a yakuman, which scores 32000 points for a win.

Daisuushii is either a single yakuman or a double yakuman (which scores 64000), depending on the ruleset. Competition rulesets will often score daisuushii as a single yakuman.

Strategy

Like daisangen, the suushiihou are often developed with a honitsu hand that happens to draw a lot of wind tiles. As even shousuushii requires 11 or the 16 wind tiles, pushing directly for these yakuman is unlikely to work (unless very far behind).

Attempting

Having six winds, with at least one of each type, is likely the minimum to even consider suushiihou. Even then, it would be ill-advised without at least eight winds. Since winds are easily ponned, having pairs is significantly stronger than single winds. Because winds are usually discarded early, if the player is missing a pair of one wind, there is a decent chance that others will discard it aggressively and ruin the chance at forming the hand.

Waits

When developing a suushiihou hand, attention should be taken to ensure that the hand will complete as quickly as possible once enough winds have been attained. This usually means holding together another group to accompany the winds, usually allowing for shousuushii.

Because of its requirement to have four triplets, daisuushii hands will only have two possible waits: either a pair wait on a non-wind tile, or a triplet wait on the last wind and a non-wind tile. In the shanpon case, getting the non-wind tile will always give shousuushii. An opportunity may arise to improve the wait to a sequence wait, at the cost of abandoning the chance at shosuushii. If this arises, it is generally a good idea to take it, especially if daisuushii is counted as single yakuman. Even if it counts double, other players may be wary of dealing the last wind, particularly if several calls have been made already and they are alerted to the possibility of yakuman.

When daisuushii occurs on a pair wait, it is again possible that the hand will be given the opportunity to downgrade to a shousuushii sequence wait. The same considerations apply as before.

Fallbacks

If an attempt at suushiihou is ruined by other players discarding three of the same wind (preventing a pair), then the hand will probably still have viable options to meet its yaku requirement. In most cases, it will already have obtained yakuhai from one of the winds, but honitsu, chanta, and toitoi remain as potential alternatives.

Sekinin Barai

Main article: sekinin barai

When sekinin barai is used, it usually applies to daisuushii. Under this rule, if a player has three visible melds of wind tiles, another player deals the fourth wind, and the first player calls that to form a group, then the second player becomes liable for the hand, and must pay its full value in the case of a tsumo or half its value in the case of a ron. This liability arises as a penalty for creating a guaranteed yakuman hand, and applies even though the upgrade does not increase its value from shousuushii.

Combinations

As yakuman, the suushiihou can only be combined with other yakuman. Both shousuushii are often combined with tsuuiisou, where the last triplet or the pair are formed from dragon tiles. Shousuushii and tsuuiisou is in fact the most common yakuman combination, even though daisangen is easier than shousuushii. Very rarely, these yakuman are combined with suuankou, and while they are in theory compatbile with tenhou, chiihou, renhou (if a yakuman), and suukantsu, the odds of any of these combinations occurring are astronomically small.

External links

小四喜

Shousuushii in Japanese Wikipedia

大四喜

Daisuushii in Japanese Wikipedia

@@ Line 16: / Line 16: @@
 * [http://tenhou.net/0/?log=2014030717gm-0001-0000-0cd00f62&tw=3&ts=0 daisuushii] with [[tsuuiisou]]
 }}
-'''Suushiihou''' {{kana|四喜和}} are the two [[kazehai|wind-based]] [[yakuman]]: '''shousuushii''' {{kana|小四喜}} and '''daisuushii''' {{kana|大四喜}} ('''big four winds''').  Both involve all four [[kazehai|wind tiles]]. Shousuushii requires three [[mentsu|groups]] winds, and a [[jantou|pair]] of the last wind, while daisuushii requires groups of all four.  Both are worth yakuman, though daisuushii can be worth double yakuman if a [[Rule variations|ruleset]] allows it.
+'''Suushiihou''' {{kana|四喜和}} are a group of two [[kazehai|wind-based]] [[yakuman]]:
+* '''Shousuushii''' {{kana|小四喜}}: Have triplets/quads of three winds, and a pair of the last wind.
+* '''Daisuushii''' {{kana|大四喜}}: Have triplets/quads of all four winds.
+Both are worth yakuman, though daisuushii can be worth [[double yakuman]], depending on the [[Rule variations|ruleset]].
 ==Tile diagram==
@@ Line 48: / Line 52: @@
 ==Value==
-Shousuushii is almost universally reckoned as a yakuman with a base value of 8000 points, meaning that a dealer wins 48000 while a non-dealer wins 32000 with the hand. As daisuushii is a rarer yakuman, some rules allow it as a [[multiple yakuman|double yakuman]], in which case it scores twice as much. In other rulesets, however, especially competition rulesets, daisuushii is only scored as a single yakuman.
+Shousuushii is almost universally scored as a yakuman, which scores 32000 points for a win.
+Daisuushii is either a single yakuman or a double yakuman (which scores 64000), depending on the ruleset. Competition rulesets will often score daisuushii as a single yakuman.
 ==Strategy==
-Like [[daisangen]], suushiihou are often developed by taking a hand with potential to develop with [[honitsu]] and pushing them to the extreme. As even shousuushii requires having eleven of the sixteen wind tiles, pushing directly for these hands is unlikely to be met with success. More often, suuhsiihou are developed by developing towards a hand that encourages holding onto spare honours, and then drawing enough winds to make a viable push for the hand.
+Like [[daisangen]], the suushiihou are often developed with a [[honitsu]] hand that happens to draw a lot of wind tiles. As even shousuushii requires 11 or the 16 wind tiles, pushing directly for these yakuman is unlikely to work (unless very far behind).
 ===Attempting===
-Six winds, including at least one of each, is probably the minimum that one should have before even considering chasing suushiihou. In most cases, however, it would be ill-advised to begin aiming for these hands without seven or, more often, eight winds. The distribution matters, as winds are easily [[naki#pon|ponned]]. As a result, having pairs of more winds is better, since it allows for calls to complete triplets. Because winds are usually discarded early, if the player is missing a pair of one wind, there is a decent chance that others will discard it aggressively and ruin the chance at forming the hand.
+Having six winds, with at least one of each type, is likely the minimum to even consider suushiihou. Even then, it would be ill-advised without at least eight winds. Since winds are easily [[pon]]ned, having pairs is significantly stronger than single winds. Because winds are usually discarded early, if the player is missing a pair of one wind, there is a decent chance that others will discard it aggressively and ruin the chance at forming the hand.
 ===Waits===
@@ Line 69: / Line 75: @@
 {{main|sekinin barai}}
-When [[sekinin barai]] is used, it is usually applicable to daisuushii. Under this rule, if a player has three visible melds of wind tiles, another player deals the fourth wind, and the first player calls that to form a group, then the second player becomes liable for the hand, and must pay its full value in the case of a [[tsumo]] or half its value in the case of a [[ron]]. This liability arises as a penalty for creating a guaranteed yakuman hand, and is applicable even though the upgrade does not increase its value from shousuushii.
+When [[sekinin barai]] is used, it usually applies to daisuushii. Under this rule, if a player has three visible melds of wind tiles, another player deals the fourth wind, and the first player calls that to form a group, then the second player becomes liable for the hand, and must pay its full value in the case of a [[tsumo]] or half its value in the case of a [[ron]]. This liability arises as a penalty for creating a guaranteed yakuman hand, and applies even though the upgrade does not increase its value from shousuushii.
 ==Combinations==