Chapter 5: Calling
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Advantages and Disadvantages of Calling To use calling well, you first need to understand its strengths and weaknesses. This is also called furo or an open-call hand.
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The Basics of Calling Decisions How should you decide whether to call or not?
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Pon and Chi (1) Pon and chi both use tiles discarded by other players, but there are important differences between them.
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Pon and Chi (2) The key ideas for situations where you have multiple pairs that can be pon'ed, or multiple different ways to chi.
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Kan (1) Just like pon and chi, kan also has both merits and drawbacks.
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Kan (2) Cases where you technically can kan, but should not.
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Calling and Shanten Count When you call, pay attention to shanten count. This page also covers “calls that do not change shanten.”
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Open Tanyao When should you break a closed hand and start calling for open Tanyao?
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Toitoi A yaku that beginners especially like, but of course there are also cases where you should not aim for Toitoi.
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Honitsu In a Honitsu hand, there are tiles you should not call on. What kind of tiles are they?
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Atozuke (1) Calling other parts of the hand before your yaku is confirmed is called atozuke.
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Atozuke (2) Hands and situations where it is better to call with atozuke than to keep pushing the hand closed.
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Calling Techniques (1) Learn some practical calling techniques you can actually use in real games. Calling skill directly affects your win rate.
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Calling Techniques (2) Techniques for open Tanyao, which comes up often in red-five mahjong.
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Calling Techniques (3) These situations do not come up all the time, but knowing them still helps.
Original Japanese page: http://beginners.biz/naki/