Taiwanese mahjong · tai pattern
槓上開花
gàngshàng kāihuā · win on a replacement
1台You self-draw on the replacement tile after a kong or a flower: 1 tai, plus 自摸.
chow
flowers
South self-draws, on the replacement after a flower, East round, East deals.
Self-draw 自摸 1 + Win on a replacement 槓上開花 1 = 2 tai
In one line1 tai by default. Other values: ZSY (宅神爺) 2.
Conditions
- The replacement follows a kong or a flower, after any number of chained replacements.
- The replacement after an exposed kong cannot win by self-draw.
- 自摸 scores as well.
Each source's value
1 台Default · Gamesofa (神來也), IGS (明星3缺1), MJOnline (戲谷), Mahjong Masters, zh Wikibooks
2ZSY (宅神爺)
The example, settled
Who pays what (base 100, 20 per tai)
- East 莊base 100 + 3 tai × 20 incl. dealer 1−160
- Westbase 100 + 2 tai × 20−140
- Northbase 100 + 2 tai × 20−140
- South collects+440
Dealer and streak tai count only between the dealer and the player paying. Open this hand in the calculator →
Common questions
槓上開花: how many tai, and more
How many tai is 槓上開花 (win on a replacement)?
1 tai by default. Other values: ZSY (宅神爺) 2.
What does 槓上開花 not stack with?
槓上開花 neither replaces nor is replaced by another line; it adds.
How do I check whether my hand scores 槓上開花?
Tap the hand into the tai calculator and it lists every line. Open this page's example in the calculator.