Kan: Difference between revisions

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In this example, kan may be called twice in a row after drawing {{#mjt:1m}}. Both the {{#mjt:1m}} and {{#mjt:2z}} may each be called for ''shominkan'', before making a discard. Naturally, this must be done one at a time, following the proper procedure for kan.

=== Kan during riichi ===

When a riichi declarer holds three identical tiles and draws the fourth after the riichi announcement, he may form an [[Kan|ankan]] from these tiles instead of discarding the fourth. The hand composition and the possible winning tiles may not change: It is not allowed to declare kan if, for some possible winning tile, any of the three identical tiles may be interpreted as part of a shuntsu or part of the pair.

Illegal example:

:{{#mjt:3444m 778899s 333z}}, draw: {{#mjt:4m}}

It is not allowed to kan the fours. The manzu tiles may either be interpreted as a 3-4 [[Ryanmen|ryanmen]] wait and a 4-4 pair, or as a 4-man ankou with a 3-man tanki wait. For a legal kan declaration, the three identical tiles would have to be an ankou in any interpretation. Had the player drawn a west wind, he would have been allowed to kan it.

Legal example:

:{{#mjt:111m222333p5678s}}, draw: {{#mjt:1m}}

==Suukaikan==

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 In this example, kan may be called twice in a row after drawing {{#mjt:1m}}.  Both the {{#mjt:1m}} and {{#mjt:2z}} may each be called for ''shominkan'', before making a discard.  Naturally, this must be done one at a time, following the proper procedure for kan.
+=== Kan during riichi ===
+{{main|kan}}
+When a riichi declarer holds three identical tiles and draws the fourth after the riichi announcement, he may form an [[Kan|ankan]] from these tiles instead of discarding the fourth. The hand composition and the possible winning tiles may not change: It is not allowed to declare kan if, for some possible winning tile, any of the three identical tiles may be interpreted as part of a shuntsu or part of the pair.
+Illegal example:
+:{{#mjt:3444m 778899s 333z}}, draw: {{#mjt:4m}}
+It is not allowed to kan the fours. The manzu tiles may either be interpreted as a 3-4 [[Ryanmen|ryanmen]] wait and a 4-4 pair, or as a 4-man ankou with a 3-man tanki wait. For a legal kan declaration, the three identical tiles would have to be an ankou in any interpretation. Had the player drawn a west wind, he would have been allowed to kan it.
+Legal example:
+:{{#mjt:111m222333p5678s}}, draw: {{#mjt:1m}}
 ==Suukaikan==

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