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Suji: Difference between revisions
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(reorganize the page to (try to) make more sense. merge part of the intro and part of defense to "basic theory" section to explain why suji works) |
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*[[Shuntsu|Sequences]] are comprised of three sequential tiles. Therefore, an open wait will win off two tiles that are 3-apart. For example, {23} can win off either a 1 or 4 of the same suit. {34} can win off 2 or 5 of the same suit. This continues until you get the intervals of: 1-4, 4-7, 2-5, 2-8, 3-6, and 3-9. | *[[Shuntsu|Sequences]] are comprised of three sequential tiles. Therefore, an open wait will win off two tiles that are 3-apart. For example, {23} can win off either a 1 or 4 of the same suit. {34} can win off 2 or 5 of the same suit. This continues until you get the intervals of: 1-4, 4-7, 2-5, 2-8, 3-6, and 3-9. | ||
*Due to the [[furiten]] rule, if a player has previously discarded any tile they could have won off of, they cannot win from other players. | *Due to the [[furiten]] rule, if a player has previously discarded any tile they could have won off of, they cannot win from other players. | ||
*This makes suji helpful. Take the 1-4 interval. If an opponent discards a 4, then the 1 becomes safer against them. This is because an opponent cannot win off a 1-4 open wait. If they happened to have a 1-4 wait, it would be subject to furiten, and thus they couldn't win off your 1 discard. Similarly, the 7 also becomes safer when a 4 is discarded, due to the 4-7 interval. | *This makes suji helpful. Take the 1-4 interval. If an opponent discards a 4, then the 1 of the same suit becomes safer against them. This is because an opponent cannot win off a 1-4 open wait. If they happened to have a 1-4 wait, it would be subject to furiten, and thus they couldn't win off your 1 discard. Similarly, the 7 also becomes safer when a 4 is discarded, due to the 4-7 interval. | ||
Note: suji also applies to the other forms of furiten. After an opponent declares [[riichi]], then any non-winning tile discarded by anyone becomes safe. Therefore, suji can be applied to these tiles as well. If an opponent declares riichi, and | Note: suji also applies to the other forms of furiten. After an opponent declares [[riichi]], then any non-winning tile discarded by anyone becomes safe. Therefore, suji can be applied to these tiles as well. If an opponent declares riichi, and the next opponent discards a 4, then 1 and 7 are still considered suji. | ||
==Intervals== | ==Intervals== | ||
The intervals for suji apply to any of the numbered suits. Nine types of intervals are available. For these examples, | The intervals for suji apply to any of the numbered suits. Nine types of intervals are available. For these examples, only 1 suit is used per interval, but all intervals apply to every suit. | ||
{| class="wikitable" width=100% | {| class="wikitable" width=100% | ||