Mahjong Hand

Suji and Genbutsu — Reading Safe Discards

riichitips

Defensive riichi uses heuristics, not guarantees. Suji and genbutsu are two common tools when you must throw a tile under pressure.

Tenpai shape (context)

Riichi-ready sample

123 Man
1 Man
2 Man
3 Man
456 Pin
4 Pin
5 Pin
6 Pin
789 Sou
7 Sou
8 Sou
9 Sou
Pon
East
East
East
Pair
3 Pin
Edit in hand generator →View pattern page →Open storyboard →

Genbutsu example

False win hand A

123 Man
1 Man
2 Man
3 Man
456 Pin
4 Pin
5 Pin
6 Pin
789 Sou
7 Sou
8 Sou
9 Sou
South
South
South
South
Pair
3 Pin
Edit in hand generator →View pattern page →Open storyboard →

Compare

Hand A

Riichi-ready sample

123 Man
1 Man
2 Man
3 Man
456 Pin
4 Pin
5 Pin
6 Pin
789 Sou
7 Sou
8 Sou
9 Sou
Pon
East
East
East
Pair
3 Pin

Hand B

False win hand A

123 Man
1 Man
2 Man
3 Man
456 Pin
4 Pin
5 Pin
6 Pin
789 Sou
7 Sou
8 Sou
9 Sou
South
South
South
South
Pair
3 Pin

These reads often help but do not promise absolute safety.

Practice with the side-by-side comparison above — then open a hand in the generator.

Explain this comparison