Chapter 3: Yaku

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Thinking About Yaku (1) The pleasure of mahjong lies in building yaku.
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Thinking About Yaku (2) This page looks at so-called committed yaku play, and at the balance between yaku value and speed.
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Yakuhai Since they become a yaku just by forming a triplet, yakuhai are especially effective when you want to win quickly.
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Pinfu Pinfu is a sequence-based yaku with a high appearance rate, and it is often called one of mahjong’s fundamental yaku.
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Tanyao In red-five mahjong, this is an extremely important yaku.
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Flushes (1) How to aim at Honitsu and Chinitsu, and when it is right to do so.
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Flushes (2) Continuing from the previous page: practical patterns for Honitsu and the points you must watch when aiming at a flush.
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Sanshoku Be careful not to overlook Sanshoku by accident. This page introduces several practical patterns related to it.
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Pair Hands (1) The branching point between Chiitoitsu and Toitoi.
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Pair Hands (2) Continuing from the previous page, this time the branching point between Chiitoitsu and regular meld hands.
Original Japanese page: http://beginners.biz/teyaku/