« first day (2207 days earlier)      last day (45 days later) » 

Avi
12:39 AM
River's display (6) - ERAQRE (qqrs)
 
 
1 hour later…
1:53 AM
1
Q: A knight chased by three knights

Dmitry KamenetskyTwo players are playing a variant of chess on a 8x8 grid. The first player controls a white knight that starts in the top-left corner. The second player controls three black knights that start in the other three corners. The first player aims to avoid being captured for as long as possible, while...

 
2:41 AM
0
Q: A knight chased by four knights

Dmitry KamenetskyThis is a follow up to A knight chased by three knights Two players are playing a variant of chess on a 9x9 grid. The first player controls a white knight that starts in the centre square. The second player controls four black knights that start in the corners. The first player aims to avoid bei...

 
 
6 hours later…
8:19 AM
0
Q: Knight and Knaves Castle

Culver KwanI was pretty board in the lockdown so I thought up a mathematics puzzle, which I haven's solved yet, so the community can solve together. Let $n>1$ be a positive integer. There is a square castle with $n^2$ rooms, $n$ columns and $n$ rows. Each room lives a knight or a knave. Knights always t...

 
 
2 hours later…
10:19 AM
0
Q: Stuck with sudoku

Chetan PaliwalStuck with this for long time now, applied all the techniques i can think of Blank: All possibilities: missed 6 as possibility in R8C5 Verified that this has unique solution

 
10:35 AM
rand could be AYN or maybe PAUL which is doubly justified (there's a notable person named Rand Paul and Paul Rand)
al'thor can be TAM or KARI but neither looks very likely to end a word defined by "maybe gareth"
 
 
1 hour later…
11:55 AM
1
Q: Stuck on a riddle that uses Base64!

Karen FlintI'm stumped on this puzzle! Here is a link to a Google Spreadsheets that gives you information! https://docs.google.com/spreadsheets/d/1ffxFgNtpbfhNELp8z9fv1R6Uc02BmBeR6cUG3EKXehw/edit#gid=0

 
 
3 hours later…
3:07 PM
0
Q: string operations puzzle

sukeshYou are given two strings A and B, each with length N. Let's index the characters in each string from 0 ― for each i ( 0 ≤ i< N), the i+1-th characters of A and B are denoted by Ai and Bi respectively. You should convert A to B by performing operations of the following type: Choose a subset S of...

 
 
3 hours later…
6:25 PM
CCCC hint: Of the wordplay part of the clue, four words indicate.
 
"spooner's" indicates a spoonerism, so clearly "mccaughan's" indicates a mccaughanism... hmm
 
7:02 PM
1
Q: Cryptic Family Reunion: Numbers (fan-made)

jafeThe answers to the following cryptic clues all belong to a certain group. The definition part of each clue has been replaced by a number. Another number, hidden in the puzzle, gives a hint toward figuring out the identity of the group. The checkmark is given to the first answer to explain the wo...

 
Sid
@Sphinx This feels like it requires knowledge that I don't have
 
7:22 PM
I didn't have it either, but Google was helpful.
 
Sid
7:34 PM
Yeah. I hadn't even heard of the term "Oilers" until now, lol
 
 
2 hours later…
9:13 PM
0
Q: Link a Pix Logic

RussoWhat could be a good logic (not asking for any programming code here) to generate a grid of numbers from a pixel picture from the example below: Picture: I just need the numbers, I mean, the logic (for each color) to generate the link between pixels to generate the full picture. Thanks for a...

 
9:37 PM
0
Q: One code to rule them all

Jeremy DoverKurt, our crusty old mainframe admin, finally retired last week and I've been given the task of sorting through his files. Most of the files were comprehensible, if not understandable, like his old ~/.signature files with gems like "Everything I needed to know I learned in VAX/VMS." and "Solaris ...

 

« first day (2207 days earlier)      last day (45 days later) »