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Score table memorization: Difference between revisions
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Therefore, you can multiply fu by 2, then subtract 1 han, and end up with the same score value. You can also add 1 han, then divide fu by 2, and end up with the same score. This means by memorizing the 30 fu values, you will also memorize the 60 fu values. By memorizing the 25 fu values, you will also memorize the 50 fu values. | Therefore, you can multiply fu by 2, then subtract 1 han, and end up with the same score value. You can also add 1 han, then divide fu by 2, and end up with the same score. This means by memorizing the 30 fu values, you will also memorize the 60 fu values. By memorizing the 25 fu values, you will also memorize the 50 fu values. | ||
By proxy, this means that when a hand gains +1 han | By proxy, this means that when a hand gains +1 han (without changing fu), it roughly doubles in point value. Due to rounding, a hand may not ''exactly'' double in value, but it is often very close to double. | ||
==Memorizing common values== | ==Memorizing common values== | ||
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===20 fu and 40 fu=== | ===20 fu and 40 fu=== | ||
Only hands with [[pinfu]] + [[menzen tsumo]] can score 20 fu. Pinfu with ron is worth 30 fu (+10 from closed ron). If you know the 40 fu values, you can add 1 han and divide fu by 2 to get the associated 20 fu value. | Only hands with [[pinfu]] + [[menzen tsumo]] can score 20 fu. Pinfu with ron is worth 30 fu (+10 from closed ron). All other hands cannot reach this amount. | ||
If you know the 40 fu values, you can add 1 han and divide fu by 2 to get the associated 20 fu value. Because pinfu + tsumo is at least 2 han, there is no 1 han 20 fu amount needed to worry about. | |||
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