squares

Forum Post Quilt squares
...ang.perl.misc, posted by a guy who had written a perl program to generate all the different possible quilt squares, eliminating equivilant squares. Obviously, there was a bug somewhere in his...
Forum Post Complete the Word Squares
Fill in the remaining letters in the following word squares so that each row forms a word and each column forms a word. More than one answer may be possible. 1. P _ _ _ _ G _ _ _ _ U _ _ _ _ N...
Forum Post Latin squares puzzle
A Latin square is an n x n array containing the numbers 1 to n exactly once in each row and exactly once in each column. For example, L is a Latin square: 123 231 312 L A critical set ...
Forum Post Pickover Problems 1 through 11
...POILERS No solution is possible with rational numbers. What we would need is an arithmetic sequence of squares differing by 100. Let’s look at rational square sequences. I believe that they ...
Forum Post A Knight Tour in Black and White
...ble colour or some other means, e.g. ridges etc. It is not a chess board. It can have any composite number squares (or fields), including square numbers. For example, my sample puzzle has 5 by 4 that ...
Forum Post Computer game puzzle
[ I assume that only vertically or horizontally adjacent squares are
Forum Post Walking Across a Chess Board.
...be struck at 1/8th the frequency that the entire chessboard is. Since there are 32 such small targets (the squares of a single color) the frequency with which they will be struck is (1/8)*32 = 4 times...
Forum Post Distance on a Chess Board
... N-dimensional single-square board satisfy the conditions. Don't complicate things with those other 8 squares!...
Forum Post Easy chess poser
...e both checks can be discovered. They can't both be delivered by rooks, though, since the two vacated squares are horizontally adjacent....
Forum Post Who put the variation in variance?
...utions I see to put me out of my misery. I was taught that the variance was the arithmetic mean of the squares of the distance of each sample from the mean. i.e. the sum of the squares of the dist...
Forum Post Newbie Question
...it. For cross sums, realize that each combination of numbers can occur in only a few ways: 23 in three squares must be 9 8 6, in some order; 36 in seven squares must have all nine digits except fo...
Forum Post A Game Inspired By Grids
2 clarifications: Each player's line can begin and finish on any two squares. An advanced variation: Players start and stop on the same square, forming a loop with each line. There is no ...
Forum Post Cutting up a sphere to make a cube.
...ssing through its centre and orthogonal to the four cuts already made. This exposes two surfaces which are squares S. Assume one part is hollow and the other is solid. Take the hollow part, put the fo...
Forum Post Find That Number
SPOILER below: SPOILER: 101, 111, 121, 202, 212 and 307 are numbers whose squares are five-digit palindromes. The missing one is 264: 264^2 = 69696. (BTW, there's one more three-digit num...
Forum Post Matchsticks
...ll lllllll __ __ __ arranged like that but all connected move 1 math to make 4 squares...
Forum Post an IQ test questions
... should replace the question mark? ? I Q 14 T E 0 S T a 12 b 10 c 17 d 9 e 13 f 5 12. Five squares follow a specific pattern. a o b o I c I...
Forum Post New type of retro chess problem
... there are plenty of ways of unraveling the position. Or white's king could have come from one of the squares surrounding c7, capturing a black piece there. Or white's knight could have move...
Forum Post Paper Silhouettes
... are overlapping) and form the complete silhouette of a square. If you wished, you could make two separate squares, each square using two opposite quadrants of the circle. This raises some questions: ...
Blog Post Under the sea.
...tests, such as the WPC, and puzzle magazines, such as Games magazine. The puzzle is played in a grid of squares in which ships of different sizes are hidden. Numbers alongside the grid indicate how...
Forum Post n x n tic-tac-toe
Yes, the probabilities given assume that each player chooses from the available squares at random (with equal probabilities). The enumeration of possible games is just that: a tallying of all possible...
Blog Post Slitherlink
...uzzles have been published by Nikoli. Slitherlink is played on a rectangular lattice of dots. Some of the squares formed by the dots have numbers inside them. The objective is to connect horizontally...
 

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