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6/26/2025, 4:10:56 PM
>Don't be afraid of closed chinitsu
>It's not that hard to end up with a good shape closed chinitsu in sanma.
>Shapes where you use all four of a tile or similar can be difficult to parse quickly.
>However, you must not be afraid of closed chinitsu. With some pattern recognition and training it's very possible to get a good grasp on closed chinitsu shapes.
>Here's a shape I encountered in Houou:
>3445556778889p tsumo 7p
>From this shape, where 8p is the pair and the wait is 36p with an iipeikou chance, I drew 7p. I started to panic. I understood that 7p was not a winning tile, and I also understood that by keeping it I could probably get a better wait. I also knew that cutting the unconnected 9p was probably correct.
>Nevertheless, I couldn't figure out my new wait instantly. The 36p seems to have remained, and 25p was newly added.
>3445556777888p
>And then I drew 4p. From there it became a shape I knew. Cutting 3p or 6p made it suuankou tanki.
>diagram
>if cutting 3p, the wait becomes 45678p
>if cutting 6p, the wait becomes 2345p
>In that match, I cut 6p and won with a 2p tsumo.
>It's not that hard to end up with a good shape closed chinitsu in sanma.
>Shapes where you use all four of a tile or similar can be difficult to parse quickly.
>However, you must not be afraid of closed chinitsu. With some pattern recognition and training it's very possible to get a good grasp on closed chinitsu shapes.
>Here's a shape I encountered in Houou:
>3445556778889p tsumo 7p
>From this shape, where 8p is the pair and the wait is 36p with an iipeikou chance, I drew 7p. I started to panic. I understood that 7p was not a winning tile, and I also understood that by keeping it I could probably get a better wait. I also knew that cutting the unconnected 9p was probably correct.
>Nevertheless, I couldn't figure out my new wait instantly. The 36p seems to have remained, and 25p was newly added.
>3445556777888p
>And then I drew 4p. From there it became a shape I knew. Cutting 3p or 6p made it suuankou tanki.
>diagram
>if cutting 3p, the wait becomes 45678p
>if cutting 6p, the wait becomes 2345p
>In that match, I cut 6p and won with a 2p tsumo.
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