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A hand ends when one player plays their last tile ("domino"), or when the game blocks — nobody can play and the boneyard is empty or untouched.
Why people argue about this
People often think that a hand ends when all tiles are played out of the boneyard, forgetting that it can also end if no one can play their dominoes and there's nothing left in the boneyard to draw from. They miss the crucial part about "nobody can play" being equally valid as having no tiles left.
Block game: you pass. The boneyard is not touched.; Draw game: you draw from the boneyard until you can play, or until it is empty — then you pass.
Why people argue about this
People often argue that they should be allowed to keep playing even if they can't make a legal move, thinking it's unfair to just pass every turn when you're out of options. But actually, this rule is designed to prevent endless passing and ensure games progress by requiring players to either draw from the boneyard or pass until they have a playable domino.
On your turn, place a tile so one of its ends matches an open end of the layout.; The line grows from both ends; doubles are traditionally laid crosswise but this is presentation, not rule.; Play passes clockwise.
Why people argue about this
People often think they can place a domino in any direction as long as it matches one end of the layout, forgetting that the line grows from both ends simultaneously, leading to misunderstandings about where exactly their tile should fit. The confusion arises because they overlook the simultaneous growth aspect and focus too much on matching just one end initially.
Larger sets exist — double-nine (55 tiles) and double-twelve (91) — and are preferred for more players.
Why people argue about this
People often assume that all dominoes games use the standard 28-tile set, so they argue about why larger sets like double-nine (55 tiles) or even double-twelve (91 tiles) are used for more players. They misunderstand how these variations can increase strategy and complexity rather than just adding extra pieces to a game that's already simple.
Shuffle the tiles face down. This pool is the boneyard.; Two players draw seven tiles each; three or four draw five each.; Remaining tiles stay face down in the boneyard.
Why people argue about this
People often think they can shuffle the tiles with their bare hands, forgetting that the official boneyard is meant for storing unused tiles out of play, leading to confusion about who handles which part of the setup process.
A hand ends when one player plays their last tile ("domino"), or when the game blocks — nobody can play and the boneyard is empty or untouched.
Why people argue about this
People often assume that if a game blocks (meaning no tiles can be played), it's automatically over, which isn't entirely accurate. Actually, the game only ends when one player plays their last tile or when the game does indeed block and nobody has been able to play for some time, indicating all possible moves have been exhausted.
Play continues hand by hand to a target, commonly 100 or 250 points.
Why people argue about this
People often assume that if they score points in a single hand, they must keep playing until they reach exactly 100 or 250 points, even if their opponent has already reached this target. However, the rule actually states play continues "to a target," meaning you can stop once either player hits the set point, not necessarily hitting it precisely.
Mexican Train: each player builds a personal train from a central double, plus a communal train anyone may extend.; All Fives (Muggins): score whenever the open ends total a multiple of five.; Chicken Foot: a played double must be surrounded by three tiles before normal play resumes.
Why people argue about this
People often assume that in Mexican Train, you can only build your own train from a central double without considering the communal aspect where anyone's train can be extended by others. The confusion arises because they overlook how the official rules allow for both personal and communal trains to coexist and grow simultaneously.