I'm a little confused on the efficiency here? Pei, Haku, and Chun are both once discarded, shouldn't we keep 69 or 14 shapes? 3 pairs don't seem to be enough for chiitoi.
Are you referring to 1:50 discarding 7s? We have 5 blocks here, 446m 344p 23s sha sha, chun chun. since 7m is dora, we will be using 446 block for sure. There's little value ing trying to get a ryanmen around 7s here as the hand will only move towards 1k. With 4 pairs here, we need to keep haku to see if we can move to 7toi or toitoi.
I am nowhere near Feng's skill level, but assuming you mean the 1m and 9m cut before pei, haku, and chun, that is standard yakuhai order. Cutting lone terminals before yakuhai (i.e. not guest winds) is normal especially if there's overlap save certain yaku considerations. If you look up "Riichi Mahjong Tactics Yakuhai Order and Movement" you'll see how to handle the early discards.
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I'm a little confused on the efficiency here? Pei, Haku, and Chun are both once discarded, shouldn't we keep 69 or 14 shapes? 3 pairs don't seem to be enough for chiitoi.
Are you referring to 1:50 discarding 7s?
We have 5 blocks here, 446m 344p 23s sha sha, chun chun. since 7m is dora, we will be using 446 block for sure. There's little value ing trying to get a ryanmen around 7s here as the hand will only move towards 1k. With 4 pairs here, we need to keep haku to see if we can move to 7toi or toitoi.
I am nowhere near Feng's skill level, but assuming you mean the 1m and 9m cut before pei, haku, and chun, that is standard yakuhai order. Cutting lone terminals before yakuhai (i.e. not guest winds) is normal especially if there's overlap save certain yaku considerations. If you look up "Riichi Mahjong Tactics Yakuhai Order and Movement" you'll see how to handle the early discards.