User:Hordes/Riichi Mahjong Primer - Shorter: Difference between revisions

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 Remember that you need at least 1 yaku to win (and that open hands can't use riichi to gain that yaku).
+==Furiten==
+When you are in [[furiten]], you are completely unable to win off other players' discards. ''You can still win by self-draw, however, if you have at least 1 yaku''.
+The most common cause of furiten is '''when you have previously discarded a tile that your hand could now win with'''. Example:
+{{#mjt:34567p333m678s44z}}  Waiting for: {{#mjt:2p}}, {{#mjt:5p}}, or {{#mjt:8p}}
+Say you discarded the {{#mjt:2p}}. You are in furiten, meaning you cannot win off ''any'' tile because you could've won with the discarded 2. If an opponent discards {{#mjt:8p}}, you cannot win, even though you never discarded that tile.
+* It does not matter which tile "caused" the furiten. If you are in furiten, you cannot win off any tile.
+* It does not matter if you couldn't win off the discarded tile due to a lack of yaku. If a tile could complete the "4 group + 1 pair" shape, it triggers furiten, even if you couldn't actually win with said tile.
+==Dora==
+Dora are bonus tiles. Every dora in hand is worth +1 han. However, you still need at least 1 [[yaku]] to win, no matter how many dora you have.
+At the start of each round, a [[dora]] indicator is revealed. The tile ''after'' the revealed dora indicator is the dora tile itself.
+For example, if {{#mjt:1p}} is the dora indicator, {{#mjt:2p}} is the dora. Having {{#mjt:2p}} in your hand will increase your hand's value.
+*Number tiles: {{#mjt:123456789p}}, where {{#mjt:9p}} indicator means {{#mjt:1p}} is the dora.
+*Dragons: {{#mjt:5z}} -> {{#mjt:6z}} -> {{#mjt:7z}} -> {{#mjt:5z}}
+*Winds: {{#mjt:1z}} -> {{#mjt:2z}} -> {{#mjt:3z}} -> {{#mjt:4z}} -> {{#mjt:1z}} (the same as the player order)
+For each [[kan]] a player makes, a new dora indicator is revealed. If the new dora indicator is the same as another, then the specified tile is worth aother han.
+'''Remember: A hand cannot win with no yaku, even if it has dora. A hand needs 1 yaku to win.'''
+===Uradora===
+If you declare [[riichi]] and win, the [[uradora]] are revealed. 1 uradora indicator is revealed for each regular dora indicator.  Uradora indicators work like dora indicators (the tile after the indicator is the dora tile).
+There is no way to know uradora before winning, so yradora are essentially random bonuses for winning with riichi. In general, ~30% of winning riichi hands contain at least 1 uradora.
+===Red Fives===
+In most modern riichi mahjong websites, red fives are used. There is one red five in each suit (a red 5 of characters, a red 5 of bamboo, a red 5 in dots).
+Having the red five in your hand is worth extra points, just like a dora tile. Unlike dora, having the red five in your hand gives you value. (I.e. a red five in your hand does not make a 6 more valuable.)
+If a red five is the dora/uradora indicator, nothing special happens; the 6 of that suit is still a regular dora as usual.
+==Rounds & Hands==
+The game is organized into rounds and hands.
+* '''Hands:''' Hands start when tiles are dealt, and ends once someone wins. After the end of each hand, if no repeat occurs, the player seats are rotated counter-clockwise.
+* '''Rounds:''' Each game starts in the East round. A round ends once players rotate seats 4 times, meaning East round lasts from East 1-4.
+When starting a mahjong game, you have the choice between "East Round only" <small>tonpuusen</small> or "South Round" <small>hanchan</small>. East Round games last for 1 round; South Round games last for 2 rounds.
+===Dealer===
+The player in the East seat is known as the dealer, who gets special benefits:
+* Dealer hands are worth about +50% points.
+* If a dealer wins, or has a ready hand at exhaustive draw, they repeat the hand <small>renchan</small>. (A repeat means they get to extend the entire game by +1 hand, while retaining the dealer seat.)
+===Game end===
+The game itself ends under these two scenarios:
+* A player falls below 0 points.
+* It is the end of East 4 (East Round only) / South 4 (South Round <small>hanchan</small>), no dealer repeat occurs, and at least one player is at/above the target score.
+** If nobody hits the target score, a maximum of 1 round of overtime occurs. If a player reaches the target score, the game immediately ends. If a round passes and nobody hits the target score, the game also ends.