Professional League Game Rules
Scoring treatment
Wins may be treated differently according to the rules in effect in a pro league, a jansou (or chain), a game server, or an organization.
| Index | Rule | M-League | <-§ | JPML 競技 | <-§ | Saikouisen | <-§ | NPM | <-§ | MU | <-§ | RMU | <-§ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 000 | 1-han limit | Yes | §1.3 | ||||||||||
| 000 | Basic dora | Yes | §2.6.1 | Yes | (Implied) | ||||||||
| 000 | Kan dora | Yes (4) | §2.6.2 §4.5.4 |
No | §1.3 §4.1 | ||||||||
| 000 | Hidden dora | Yes | §2.6.3 | No | §1.3 §4.1 | ||||||||
| 000 | Red dora | Yes (3) | §2.6.4 | No | (Implied) | ||||||||
| 000 | Seat shuffle | 4 tiles | §3.1 | ___ | ___ | ||||||||
| 000 | Abortive draws | None | §3.2.3 | Yes (4) | §3.3 | ||||||||
| 000 | Busting out | None | §3.2.4 | ___ | ___ | ||||||||
| 000 | Furiten riichi | Yes | §4.8.3 | Yes | §6.2 | ||||||||
| 000 | Drawless riichi | Yes | §4.8.3 | Yes | §2.5 | ||||||||
| 000 | Endgame deposits | Top | §4.8.5 §6.2.5 |
"Deposit"?? | §2.4 | ||||||||
| 000 | Kan after riichi | Same tile | §4.8.9 | Same shape | §4.5 | ||||||||
| 000 | Multiple win cases | 1 | §5.1.3 | 1 | §1.6 | ||||||||
| 000 | Starting points | 25,000 | §6.1 | Not specified | N/A | ||||||||
| 000 | Target points | 30,000 | §6.2.1 | Same | N/A | ||||||||
| 000 | Conversion before | N/A | N/A | +XX.X ▲YY.Y |
(§8.0) | ||||||||
| 000 | Ante | +20,000 | §6.2.3 | None | (implied) | ||||||||
| 000 | Placement bonus: 1st | +30,000 | §6.2.3 | +12/+8/+8 | §8.0 | ||||||||
| 000 | Placement bonus: 2nd | +10,000 | §6.2.3 | -1/+4/+3 | §8.0 | ||||||||
| 000 | Placement bonus: 3rd | -10,000 | §6.2.3 | -3/-4/+1 | §8.0 | ||||||||
| 000 | Placement bonus: 4th | -30,000 | §6.2.3 | -8/-8/-12 | §8.0 | ||||||||
| 000 | Conversion after | +XX.Xp ▲YY.Yp |
§6.2.4 | N/A | N/A | ||||||||
| 000 | Split ranks on tie | Yes | §6.2.6 | Yes | §8.0 | ||||||||
| 000 | Split deposits on tie | 500+500 400+300+300 |
§6.2.6 | ___ | ___ | ||||||||
| 000 | Double wind pair | 2 fu | §6.3.2 | 4 fu | §7.4 | ||||||||
| 000 | Rinshan draw points | unknown | unknown | 0 fu | §7.5 | ||||||||
| 000 | Rounded mangan | Yes | §6.6.1 | No | §7.1 | ||||||||
| 000 | Cumulative yakuman | Yes | §6.6.1 | Yes | §7.3 | ||||||||
| 000 | Counted yakuman | No | §6.6.2 | No | §7.2 | ||||||||
| 000 | Fault: Long hand | Dead | §7.2.1 | Chombo | §6.4 | ||||||||
| 000 | Fault: Short hand | Dead | §7.2.1 | Chombo | §6.4 | ||||||||
| 000 | Fault: Future draw | Dead | §7.2.2 | ___ | ___ | ||||||||
| 000 | Fault: Pick-and-switch | Dead | §7.2.3 | Allowed (diff. tile) |
§1.2 | ||||||||
| 000 | Fault: Empty call | Dead | §7.2.4 | Dead | §6.4 | ||||||||
| 000 | Fault: Empty tsumo/ron hand remained concealed |
Dead | §7.2.4 | Chombo | §6.3 | ||||||||
| 000 | Fault: Tsumo for ron or ron for tsumo |
Warning | §7.2.4 | ___ | ___ | ||||||||
| 000 | Fault: Bad grouping | Dead | §7.3.1+2 | Chombo | §6.4 | ||||||||
| 000 | Chombo penalty | ▲20p | §7.4.1 | ___ | ___ | ||||||||
| 000 | Fault: Bad ron/tsumo hand was exposed |
Chombo | §7.4.2.1 | Chombo | §6.3 | ||||||||
| 000 | Fault: Noten riichi on draw | Chombo | §7.4.2.2 | Chombo | §2.3 | ||||||||
| 000 | Fault: Illegal kan after riichi | Chombo | §7.4.2.2 | ___ | ___ | ||||||||
| 000 | Fault: Breaking walls before scoring | Chombo | §7.4.2.3 | ___ | ___ | ||||||||
| 000 | Fault: Breaking uradora before scoring | Chombo | §7.4.2.3 | ___ | ___ | ||||||||
| 000 | Fault: Intentional destroyed wall | Chombo | §7.4.2.4 | ___ | ___ | ||||||||
| 000 | Fault: Unintentional destroyed wall | Chombo | §7.4.2.5 | ___ | ___ | ||||||||
| 000 | YELLOW CARDS | None | §7.5 | ___ | ___ | ||||||||
| 000 | Liability: 3 Dragons | Yes | §8.0.1 | Yes | §5.1 | ||||||||
| 000 | Liability: 4 Winds | Yes | §8.0.2 | Yes | §5.1 | ||||||||
| 000 | Liability: 4 Kans | Yes | §8.0.3 | Yes | §5.1 | ||||||||
| 000 | Liability: Live tile kan | No | N/A | Yes (furiten override!) |
§4.2 | ||||||||
| 000 | Override: Closed kan kokushi | ??? | N/A | Yes | §4.3 | ||||||||
| 000 | Count both rinshan + haitei | No | §5.4 | No | §4.4 | ||||||||
| 000 | One-shot yaku | Yes | §9.1.2 | No | §1.3 | ||||||||
| 000 | All Green yaku dragon required | No | §9.5.6 | Yes | §7.6 | ||||||||
| 000 | Runaway victory | unknown | unknown | No | §1.8 | ||||||||
| 000 | Abortive draws | None | §3.2.3 | ___ | ___ | ||||||||
| 000 | Abortive draws | None | §3.2.3 | ___ | ___ | ||||||||
| 000 | Abortive draws | None | §3.2.3 | ___ | ___ |
1. Trivial rules are not recorded, that should form the basis of a basic riichi rules page.
2. "Priority" designates current player priority (from discarder: Right > Across > Left), and not game seating priority as used to split ties on Tenhou (starting: East > South > West > North).