Questions tagged [dominoes]

A puzzle that involves tiles (or the concept of tiles) in the shape of 2x1 rectangles, divided into 2 squares, each containing 0 to 6 spots. It may require knowledge of general rules of the game, Dominos, or it may simply use the number of spots, on the tiles, as clues for a solution.

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11
votes
2answers
755 views

Piece de Resistance - Two Boxes, Two Boxes of Letters

Two - Boxes, Two Boxes of Letters This puzzle is part of the "Piece de Resistance" series. Go back to Part 1 (Ace) for the story.Ace Two Three Four Five ... Out of Character: Finally, a working... ! ...
0
votes
1answer
276 views

Introducing WorDonimoes$^2$

@Don Kirkby have designed a set of dominoes puzzles that they call Donimoes. You slide the dominoes like the cars in Nob Yoshigahara's Rush Hour puzzle, always along their long axis. I have altered ...
5
votes
1answer
80 views

Fridays's Blocking Donimoes Problem

I've designed a set of dominoes puzzles that I call Donimoes. You slide the dominoes like the cars in Nob Yoshigahara's Rush Hour puzzle, always along their long axis. The goal is to slide all the ...
4
votes
1answer
104 views

Thursday's Blocking Donimoes Problem

I've designed a set of dominoes puzzles that I call Donimoes. You slide the dominoes like the cars in Nob Yoshigahara's Rush Hour puzzle, always along their long axis. The goal of Blocking Donimoes is ...
5
votes
1answer
99 views

Wednesday's Blocking Donimoes Problem

I've designed a set of dominoes puzzles that I call Donimoes. You slide the dominoes like the cars in Nob Yoshigahara's Rush Hour puzzle, always along their long axis. The goal of Blocking Donimoes is ...
6
votes
2answers
93 views

Tuesday's Blocking Donimoes Problem

I've designed a set of dominoes puzzles that I call Donimoes. You slide the dominoes like the cars in Nob Yoshigahara's Rush Hour puzzle, always along their long axis. The goal of Blocking Donimoes is ...
14
votes
2answers
461 views

Monday's Blocking Donimoes Problem

I've designed a set of dominoes puzzles that I call Donimoes. You slide the dominoes like the cars in Nob Yoshigahara's Rush Hour puzzle, always along their long axis. The Blocking Puzzle's Goal The ...
4
votes
1answer
243 views

Tactical Domino Placement Game

Alice and Bob take turns to place regular dominoes into a $7\times8$ board. The first player who cannot go loses. Is there a winning strategy for either player? Note that in this version the pips on ...
12
votes
1answer
264 views

A Domino Rectangle

Can you arrange a standard set of $28$ dominoes into a rectangle of $7\times8$, where each of the 8 rows sum to $21$ and each of the 7 columns sum to $24$? Image from WikiPedia. Or, alternatively, ...
7
votes
1answer
232 views

Domino Tiling Game

Two players are presented an $n\times n$ grid. They take turns placing a piece on the board until no more moves are possible. The last player able to make a move is the winner. The pieces are $2\times ...
13
votes
3answers
485 views

How many tilings by dominoes of this region?

Here's a shape that could be tiled by dominoes. Without the fault line there are 64 tilings. With fault line how many possible tilings are there? ...
20
votes
2answers
443 views

A puzzle with dominoes

I've got a puzzle using dominoes for all here at Puzzling. I came up with it while playing around a few days ago, and I know it can be solved. It may not be a new idea, but to the best of my knowledge,...
4
votes
1answer
156 views

Dominoes where NO two connected tiles have a number in common

Take the following set of ten dominoes: 0 | 1, 0 | 2, 0 | 3, 0 | 4, 1 | 2, 1 | 3, 1 | 4, 2 | 3, 2 | 4, 3 | 4 Arrange the dominoes With Rules : NO two connected tiles have a number in common. 2 ...
20
votes
3answers
1k views

Introducing Domidoku!

Come one, come all! Come see the new type of logic puzzle, the Domidoku! Here's a sample for all to try! The process is simple! First you solve the Sudoku and then you solve the Dominosa! ...
4
votes
2answers
642 views

What is the largest domino ring that can be made?

Taken from UK Bebras Computational Thinking Challenge I am particularly interested to see how you can go through this systematically as opposed to using trial and error. Clarification edits: The ...
3
votes
1answer
147 views

4 walls of domino tower

How can I rearrange the domino tiles below so that all vertical columns has 0,1,2,3,4,5,6. While all the horizontal rows has 0,1,2,3,4,5,6 + duplicate ?
9
votes
2answers
342 views

Cover the terrace with “slashed” tiles

Peter has a rectangular terrace with integer sides. He plans to tile this terrace, with the ultra-modern 'slashed tiles". Each tile is a $2\times 1$ rectangle, with a diagonal, called its "slash". A ...
37
votes
6answers
3k views

One rectangle, indivisible

Here is a rectangle made out of 2x1 dominoes: It can be divided along a line into two smaller rectangles: What is the smallest (in area) rectangle of (edit) multiple 2x1 dominoes that cannot be ...
6
votes
1answer
1k views

Domino Gridlock

We have a 5x5 grid: We also have some dominoes, 1 of each type with numbers 1 to 6 on each side. So we have the dominoes 1 | 1 1 | 22 | 2 1 | 32 | 33 | 3 1 | 42 | 43 | 44 | 4 1 | 52 | 53 | 54 | 55 | ...
6
votes
1answer
263 views

Dominoes With Letters

I have a set with 26 special domino stones. Every stone carries a lower case Latin alphabet letter and an upper case Latin alphabet letter: ...
11
votes
5answers
974 views

The First Lady's Dominos

I went to visit a friend the other day, and was invited inside. When I entered, I spied an arrangement of various dominos, upon the table. They were not arranged, standing up, as if she had been ...
5
votes
3answers
977 views

Domino tile possibilities

I own a normal domino game with 28 tiles. Each tile carries two of the numbers [0, 1, 2, 3, 4, 5, 6] (where 0 represents blank). During cleanup five pieces fell out of the box. Two of them showed ...
0
votes
3answers
1k views

Find the missing domino

In my last school-class I did a logic-test with 48 exercises about finding the missing dominoes. I'm sure about 47, but this one broke my head, and I don't know yet the answer:
6
votes
1answer
2k views

Arranging all the Dominos

Given a Double Twelves Domino Set, prove that the dominos can be arranged in a valid formation such that placement follows the domino placement rules, namely: A domino can be placed with the short ...
8
votes
2answers
668 views

Dominoes on a chessboard

Mary has a box with special $2\times1$ dominoes. Each dominoe has two red corners and two blue corners, and these dominoes come in two different types: The first type has the lower left and the upper ...
6
votes
1answer
203 views

Is there another name or site for this “Dominotion” puzzle?

I discovered this very old Javascript game in my old bookmarks. It's a great puzzle. http://www.math.ucla.edu/~tom/Games/dominotion.html Does anyone know another name for this puzzle or a site or ...