Blind Pass
A move allowed on the third (last) pass of each Charleston where a player passes tiles received from the previous pass without looking at them, mixing them with tiles chosen from their hand.
What Is a Blind Pass?
A blind pass is a special option available during the third (last) pass of each Charleston — the left pass that ends the First Charleston and the right pass that ends the Second Charleston. It allows a player to take one, two, or all three of the tiles they just received from the previous pass and immediately pass them along to the next player without looking at them, combined with tiles from their own hand to total three.
The blind pass exists because players sometimes receive tiles they want to keep but still need to pass three tiles along. Without the blind pass rule, a player would be forced to give away tiles they desperately need.
For example, if you receive three tiles on the last pass and two of them are Jokers you want to keep, you can "steal" those two Jokers into your hand, select one tile from your hand you want to discard, and then pass the remaining received tile plus two of your own tiles along, all without looking at the tile you're passing blind.
When and How to Use the Blind Pass
The blind pass is permitted on the third (last) pass of each Charleston — the left pass that ends the First Charleston and the right pass that ends the Second Charleston. Here is the step-by-step process:
- You receive 3 tiles from the previous pass on the last pass of a Charleston
- Before looking at any of them, decide how many you want to keep vs. pass blind
- You may keep 0, 1, 2, or all 3 of the received tiles
- For each tile you keep, substitute a tile from your hand
- Pass the resulting 3 tiles along to the next player
The key rule is that the tiles you pass blind must remain face-down, you cannot peek at them and then decide. In practice, many groups allow you to look at the received tiles first and then designate which ones you are "passing blind," but the strict rule says you should not look before deciding.
Important restrictions:
- You can never blind pass a Joker, Jokers must always be kept
- The blind pass is only available on the third (last) pass of each Charleston, not on the earlier passes within a Charleston
Strategic Considerations
The blind pass introduces interesting strategic dynamics:
- Protect your hand, If you've received great tiles during the Second Charleston and are running low on tiles to pass, the blind pass saves you from breaking apart a hand that's coming together
- Risk vs. reward, When you pass tiles blind, you might accidentally send a valuable tile to your opponent. But keeping the tiles you need is usually worth that risk
- Signaling, Experienced players notice when someone uses a blind pass. It signals that the across pass contained tiles that player wanted, which can give clues about what hand they're building
- The Second Charleston decision, Knowing the blind pass is available makes it safer to agree to a Second Charleston. Even if you can't find 3 tiles to pass on the last round, you can use the blind pass as a safety valve
- Stopping the Second Charleston, If you have a great hand already and don't want to risk passing away key tiles, remember that any player can refuse the Second Charleston entirely. The blind pass is a compromise between passing and stopping
The blind pass is one of the features that makes the Charleston in American Mah Jongg so strategically rich compared to the simpler passing mechanisms in other variants.