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Matagi suji: Difference between revisions
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correct definition. i forgot about "riichi declaration tile makes nearby tiles dangerous" was part of matagi suji
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(correct definition. i forgot about "riichi declaration tile makes nearby tiles dangerous" was part of matagi suji) |
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'''Matagi suji''', or "straddle suji", is a form of [[discard]] reading. It states that, when a number tile is discarded early, nearby tiles become safer. | '''Matagi suji''', or "straddle suji", is a form of [[discard]] reading. It states that, when a number tile is discarded early, nearby tiles become safer. But, when a number tile is discarded late (especially if the [[riichi]] declaration tile), nearby tiles become more dangerous. | ||
* When a tile numbered 3-7 is discarded, the tiles +/- 2 | *When a tile numbered 3-7 is discarded, the tiles within +/- 2 of that tile are affected by matagi suji. | ||
* When a tile numbered 2 or 8 is discarded, the 1-4 or 6-9 | *When a tile numbered 2 or 8 is discarded, the 1-4 or 6-9 tiles are affected by matagi suji. | ||
==Table== | ==Table== | ||
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==Theory== | ==Theory== | ||
Matagi suji relies on the power of a shape like " | Matagi suji relies on the power of a shape like "233" or "334". When a player has a "233", it is unlikely for them to discard a 3 early - turning "233" -> "23" - since it'd come at a loss of [[tile efficiency]]. So if a 3 is discarded early, it is less likely for them to have "23" (which waits on 1-4) or "34" (which waits on 2-5) remaining. As the 1-4 wait and 2-5 wait are less likely, an early discarded 3 makes 1-4 and 2-5 safer. Note: tiles towards the outside of a discarded tile are ''much'' safer. Tiles towards the inside are not much safer than a regular tile. | ||
Conversely, it is more likely for a player to keep shapes like "233" until [[tenpai]]. So if a 3 is discarded early, it is more likely for them to have a "23" or "34" remaining. This means an early discarded 3 makes 1-4 and 2-5 more dangerous. | |||
==External links== | ==External links== | ||
* [https://www.mahjonggem.com/blog/2019/6/12/matagi-suji Matagi suji] on Mahjong Gem | * [https://www.mahjonggem.com/blog/2019/6/12/matagi-suji Matagi suji] on Mahjong Gem | ||