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Suushiihou: Difference between revisions
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* [http://tenhou.net/0/?log=2014030717gm-0001-0000-0cd00f62&tw=3&ts=0 daisuushii] with [[tsuuiisou]] | * [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]] | '''Suushiihou''' {{kana|四喜和}} are the two [[kazehai|wind-based]] [[yakuman]]: '''shousuushii''' {{kana|小四喜}} ('''little four winds''') and '''daisuushii''' {{kana|大四喜}} ('''big four winds'''). Both require having all four [[kazehai|wind tiles]] in the hand. Shousuushii requires three [[mentsu|groups]] winds, and a [[jantou|pair]] of the last wind, while daisuushii requires groups of all four. | ||
==Tile diagram== | ==Tile diagram== | ||
===Shousuushii=== | ===Shousuushii=== | ||
{{ | {{machi | ||
|pattern = 456p1112233z | |||
|tiles called = 44'4z | |||
|tilewaits = 23z | |||
|wait status = Agari | |||
}} | |||
=== | ===Daisuushii=== | ||
{{ | {{machi | ||
|pattern = 2m111333444z | |||
|tiles called = 2'22z | |||
|tilewaits = 2m | |||
|wait status = Agari | |||
}} | |||
===Either=== | |||
{{machi | |||
|pattern = 77s22444z | |||
|tiles called = 111'3'333z | |||
|tilewaits = 2z | |||
|wait status = Agari | |||
|yasume = 7s | |||
}} | |||
In this case, the [[takame]] tile will give daisuushii, while the [[yasume]] will give shousuushii. | |||
=== | ==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. | |||
==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. | |||
===Attempting=== | |||
Six winds, including at least one of each, is probably the minimum that one should have before even considering chasing aiming for suushiihou. In most cases, seven or eight is probably a better minimum. 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. | |||
===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 [[tanki|pair wait]] on a non-wind tile, or a [[shanpon|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|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. | |||
==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 [[sangenpai|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== | ==External links== | ||