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Kokushi musou: Difference between revisions
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[[Image:Kokushi real.jpg|thumb|250px|right|Kokushi musou with real tiles.]] | [[Image:Kokushi real.jpg|thumb|250px|right|Kokushi musou with real tiles.]] | ||
In order to for this hand to be reasonable, your [[haipai|starting hand]] should contain many terminals/honors, | In order to for this hand to be reasonable, your [[haipai|starting hand]] should contain many terminals/honors, typically 9 or more. This gives the option to call [[Tochuu_ryuukyoku#Kyuushu_kyuuhai|kyuushu kyuuhai]], if no tiles have been called by others, and if the ruleset allows this [[abortive draw]]. Declining (or not having) this option puts the hand on the path to form the yakuman. | ||
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* At 9 or less unique yaochuhai, the chance of even reaching tenpai is quite low. Though the yakuman may be tempting, the expected value from attempting kokushi is lower than for a regular hand. Unless you really need a big hand, you should invoke a draw via [[Tochuu_ryuukyoku#Kyuushu_kyuuhai|kyuushu kyuuhai]] if able. | * At 9 or less unique yaochuhai, the chance of even reaching tenpai is quite low. Though the yakuman may be tempting, the expected value from attempting kokushi is lower than for a regular hand. Unless you really need a big hand, you should invoke a draw via [[Tochuu_ryuukyoku#Kyuushu_kyuuhai|kyuushu kyuuhai]] if able. | ||
* At 10 unique yaochuhai, it becomes more reasonable to go for the yakuman. Once you have a pair, the hand's [[ | * At 10 unique yaochuhai, it becomes more reasonable to go for the yakuman. Once you have a pair, the hand's [[tile acceptance]] is somewhat lower than a 2-shanten [[chiitoitsu]]. This is decent when considering the value of a yakuman. Overall, the expected value from kokushi is greater than average, though the win rate is low, and 32000 points is often overkill. Therefore, if you need a quick hand (e.g., a tight point race when close to [[all last]]), invoking a draw is reasonable. | ||
* At 11 unique yaochuhai, the hand is close to or already at [[iishanten]], so you should usually go for kokushi. | * At 11 unique yaochuhai, the hand is close to or already at [[iishanten]], so you should usually go for kokushi. | ||