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Results tagged with chess
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user 36398
Chess is a strategic game played with two players on a checkered grid. This tag is for challenges related to chess or any variation on chess.
9
votes
smallest number of steps for a knight in chess
MATL, 34 32 31 29 bytes
8t&Oli(9:"tt3Zv&+3=Z+g<@Q*+]q
Input is a cell array with the vertical and horizontal coordinates, starting at top left, 1-based.
Try it online!
How it works
8t&O % Push 8 …
- 105k
10
votes
Seeing the queen's lasers
MATL, 52 49 48 45 bytes
9,i:i-]!=E2M+~+4KGY(3HGZ(3M*+^4Y6Z+9_YA!gsIGe
Input order is: board width, queen x, board height, queen y.
Try it online! Or verify all test cases.
The code first generates th …
- 105k
3
votes
Knight Distance
MATL, 29 bytes
`JEQ2J-htZjht_h@Z^2&sG=~}@Gg*
Input is a complex number with integer real and imaginary parts.
The code is very inefficient. Its memory requirements increase exponentially with the …
- 105k
5
votes
N-Queens Puzzle
MATL, 33 32 27 bytes
`x,GZ@]1Z?tt!P!,w&TXds]h1>a
Try it online!
Semi-brute force, non-determistic approach:
Generate a random permutation of row positions
Generate a random permutation of column …
- 105k
17
votes
Knight on the Rim is Grim
MATL, 17 14 13 12 bytes
Thanks to @Neil for 1 byte off!
8:HZ^ZP5X^=s
Input is 1-based.
Try it online!
Explanation
This computes the Euclidean distance from the input to each of the 64 positions in th …
CommunityBot
- 1
5
votes
A Numpad's Knight Numbers
MATL, 38 37 29 bytes
This uses @QPaysTaxes idea.
I:8JK5:7Pvj!Uttnqh?)d|2:EQm}h
The output is a 2D, complex, non-empty array. It is truthy if all its values have nonzero real part, and falsy otherwise …
CommunityBot
- 1
2
votes
Output all the white or black squares of a chessboard
MATL, 31 bytes
1)t3\8:t!++w4\~?H\]2#f2Y2!w)wVh
Try it online!
CommunityBot
- 1