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Defense: Difference between revisions
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=== Why defense is important === | === Why defense is important === | ||
While newer players may not be aware of defense, it is fundamentally important to Japanese mahjong, due to its expected value: | While newer players may not be aware of defense, it is fundamentally important to Japanese mahjong, due to its expected value: | ||
* On average, a non-dealer riichi is worth around 6000-7000 points ( | * On average, a non-dealer riichi is worth around 6000-7000 points (assuming [[red fives]] are in play).<ref>https://osamuko.com/paifu-analysis-is-their-riichi-hand-expensive/</ref> | ||
* If you haven't reached [[tenpai]], can't [[naki|open the hand]], and you full attack against an opposing riichi, you're generally more likely to deal in than win. | * If you haven't reached [[tenpai]], can't [[naki|open the hand]], and you full attack against an opposing riichi, you're generally more likely to deal in than win. | ||
Due to these stats, it's usually a bad choice to attack when not in tenpai, unless you have a great hand (such as closed [[iishanten|1-shanten]] [[mangan]] with guaranteed good wait). | Due to these stats, it's usually a bad choice to attack when not in tenpai, unless you have a great hand (such as closed [[iishanten|1-shanten]] [[mangan]] with guaranteed good wait). You'd be more likely to deal-in than win, and dealing in loses you more than a win would gain. | ||
Riichi the most common reason to start defend/folding, though there are non-riichi hands worth defending against. | Riichi the most common reason to start defend/folding, though there are non-riichi hands worth defending against. | ||