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SIAMESE MAH JONGG · DAY S1

Choose a rack when calling

You'll learn
Call for one rack while saving tiles your other hand needs.
Time
8 minutes
Builds on
Arrange your two hands
Up next
Your first Siamese mahjong
Why it helps
One thoughtful call can help a group on one rack while saving useful tiles for the other.

Practise this lesson

A useful discard can help one hand while changing the other. Take a moment to look at both before choosing your call.

Choose a rack when you call

In Siamese, you still call a discard to complete a matching group of three or more, or to win a hand. You also choose which rack receives the exposure. That group stays with that rack.

Before calling, check both hands. A tile you use in one exposure will no longer be available to the other hand.

Rack 16 DotJokerRack 26 Dot6 DotDiscarded6 Dot
Rack 1 needs a pung. Rack 2 needs its natural pair.

You may save natural tiles for your other hand

You may use jokers to complete an exposure even when you hold the natural tiles. That can help when your other hand needs those natural tiles for a pair, where jokers are not allowed.

In this example, use a joker with rack 1's 6 Dot and the discard. That keeps the two natural 6 Dots on rack 2 for its pair.

In TileClack, Hold back naturals lets you make this choice on the call sheet. Check the group and destination rack before confirming.

Use jokers in the exposure to save the two natural 6 Dots for your other hand.
Use jokers in the exposure to save the two natural 6 Dots for your other hand.

Save jokers when the naturals are spare

On the next call, your other hand needs no 8 Dots. Use the natural 8 Dots for the exposure and keep your joker for a group that needs it.

Both choices are legal. The useful question is what your two hands together still need, and that will change from one call to the next.

Rack 1: exposed6 DotJoker6 DotRack 2: still hidden6 Dot6 Dot
Using a joker for rack 1 leaves the natural pair on rack 2.

Remember

Choose the rack, then choose the tiles. Jokers can help you save naturals for the other hand.

Teaches on the Learner card · reviewed 2026-09-14