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== Defending against double riichi == | == Defending against double riichi == | ||
Double riichi's greatest advantage, aside from its speed, is the lack of information regarding [[safe tiles]] at the beginning of the hand. Initially, every tile is considered to be dangerous, as no to few discarded tiles show any indication of safe tiles. However, this advantage can be worn away as every non-winning tile becomes a safe tile upon discard. Per the [[Furiten|furiten rule]], every tile not claimed for a win after the riichi call is considered to be a safe tile - against the riichi caller. If a winning tile does not come soon enough, then other players may actually attain tenpai in their own right and may leave the initial riichi declarer to be vulnerable. | [[Image:Double riichi denied.png|thumb|right|250px|[http://tenhou.net/0/?log=2016032809gm-0089-0000-19c59dbd&tw=1&ts=7 Double riichi] stopped by [[kyuushuu kyuuhai]]. | ||
Double riichi's greatest advantage, aside from its speed, is the lack of information regarding [[safe tiles]] at the beginning of the hand. Initially, every tile is considered to be dangerous, as no to few discarded tiles show any indication of safe tiles. However, this advantage can be worn away as every non-winning tile becomes a safe tile upon discard. Per the [[Furiten|furiten rule]], every tile not claimed for a win after the riichi call is considered to be a safe tile - against the riichi caller. If a winning tile does not come soon enough, then other players may actually attain tenpai in their own right and may leave the initial riichi declarer to be vulnerable. If affordable, a player may employ [[sashikomi]], in the hope of dealing into a cheaper hand. | |||
For more unusual situations, the threat of a double riichi can be averted by ending the hand via [[Tochuu ryuukyoku|abortive draw]]. Kyuushuu kyuuhai can immediately end the hand before the declarer can claim tsumo. An even more unusual possibility can end with suufon renta. Eventual means can be provided by sanchahou, suu kaikan, or even a risky suucha riichi. | |||
== External links == | == External links == | ||