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Suji: Difference between revisions
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{{Mahjong intervals|caption=Read the numbers across.}} | {{Mahjong intervals|caption=Read the numbers across.}} | ||
'''Suji''' {{kana|筋}} is a [[defense|defensive]] tactic that | '''Suji''' {{kana|筋}} is a [[defense|defensive]] tactic that uses [[discard]]s and the [[furiten]] rule to determine which tiles are safer against a specific opponent. Suji only applies to number tiles ([[manzu]], [[pinzu]], [[souzu]]). | ||
Suji relies on the "mahjong intervals" of 1-4-7, 2-5-8, and 3-6-9, as shown in the picture to the right. When using suji, two numbers in an interval will be paired, such as 1-4 or 2-5. | Suji relies on the "mahjong intervals" of 1-4-7, 2-5-8, and 3-6-9, as shown in the picture to the right. When using suji, two numbers in an interval will be paired, such as 1-4 or 2-5. | ||
==Basic Theory== | ==Basic Theory== | ||
In short: a tile becomes safer against an opponent if they've discarded every possible tile (of the same suit) that is an interval of 3 from that tile. For example, if an opponent had discarded a 4, then both 1 and 7 of the same suit are safer. If an opponent discarded both 1 and 7, then the 4 becomes safer. (If an opponent had only discarded a 1, the 4 is not much safer.) | In short: a tile becomes safer against an opponent if they've discarded every possible tile (of the same suit) that is in an interval of 3 from that tile. For example, if an opponent had discarded a 4, then both 1 and 7 of the same suit are safer. If an opponent discarded both 1 and 7, then the 4 becomes safer. (If an opponent had only discarded a 1, the 4 is not much safer.) | ||
The explanation is as follows: | The explanation is as follows: | ||