Glossary of Contract Bridge Terms - Z

z
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Zar points
An evaluation method to determine if a hand should be opened. It asks to open whenever you have 26 or more Zars, determined by adding the number of cards in the 2 longest suits, plus high card points, plus number of controls (A=2, K=1), plus the difference between the longest and the shortest suit. An additional point is added for the ♠ suit if it has 4+ cards. The unsupported honors are diminished 1 point in value. 52 Zar points should produce a NT or major suit game.
Zero
The lowest score obtained on a deal in a pairs game. Also, bottom.
Zia play
A specific type of falsecard which creates a losing option to declarer.
zoom (z)
In a relay system, the facility to joining into the next level of answers without needing to hear a new relay from partner. Usually, after servant has the highest possible answer for the level s/he is answering, s/he can jump into the next level assuming the captain made a virtual new relay, saving bidding space.

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