- WRR: +15/+5/-5/-15
- EMA: +30/+10/-10/-30 (was +9/+3/-3/-9 until 2012)
- JPML A: see below
- JPML B: +15/+5/-5/-15 (was +30/+10/-10/-30)
- Nihon Pro Mahjong: +30/10/-10/-30 (plus oka=20, the other rules I've listed here have a 0 oka)
- Saikouisen: +30/+10/-10/-30
- Saikouisen Classic: +12/+4/-4/-12
- Real Mahjong Unit: +15/+5/-5/-15
- Korean Mahjong League: +20/+10/-10/-20
- USPML: +30/+10/-10/-30
- Club Riichi de Montréal: 0/0/0/0
- JPML A's uma depends on how many players are "positive" (>=30k) or "negative" (<30k):
- 1 player positive: +12/-1/-3/-8
- 2 players positive: +8/+4/-4/-8
- 3 players positive: +8/+3/+1/-12
- all players negative: +8/+4/-4/-8
Extreme Tie
http://tenhou.net/0/?log=2014042315gm-0041-0000-04b12576&tw=0&ts=0
Wiki math functions
http://www.mediawiki.org/wiki/Help:Extension:ParserFunctions#.23expr To be used for Oka/uma templates. KyuuAA (Talk:キュウ) 15:03, 17 January 2015 (UTC)