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Puzzling

Self-Learner

 Self-Learner
Answer your own question with score of 3 or more.
Awarded 298 times.
A box inside a box puzzle
Awarded Mar 14 at 8:40
How many non-attacking camelriders on a chess board?
Awarded Mar 2 at 15:20
Seven nines to make ninety
Awarded Feb 25 at 15:24
An icosahedron numbering puzzle: matching vertex sums
Awarded Jan 15 at 16:04
Can the circles fit inside the triangle?
Awarded Dec 29, 2024 at 14:26
DEKADOKU, the new challenge
Awarded Oct 9, 2024 at 17:07
A mysterious paper: a collection of words around a star?
Awarded Sep 28, 2024 at 12:39
Bridge in a walled garden
Awarded Sep 24, 2024 at 4:32
Largest prime number erroneously erased when finding all primes less than 1000
Awarded Jul 31, 2024 at 10:51
The Cryptic Safe
Awarded Jul 28, 2024 at 15:32
Please find the next number in this sequence: 121, 25, 36, 49, 16, 9,?
Awarded Jul 14, 2024 at 16:07
Reconstruct a game of Loser Chess
Awarded Jun 24, 2024 at 3:27
The prisoners and the switch
Awarded Jun 17, 2024 at 13:27
Which duplo digit is 6 or 9?
Awarded May 19, 2024 at 21:46
Find a chess position that can occur twice but not thrice in a single game
Awarded Feb 13, 2024 at 12:10
What‘s the next step to solve this 10x10 nonogram?
Awarded Jan 22, 2024 at 16:45
13 Man 12 Man Cartoon Puzzle
Awarded Dec 28, 2023 at 20:26
Naughty knights
Awarded Dec 20, 2023 at 20:17
WJDIRKGPZOG ZNFFLQHLXQNIWYINQQFIV
Awarded Dec 19, 2023 at 5:04
A Sierpiński Carpet ratio
Awarded Dec 5, 2023 at 23:50
A puzzling QR code
Awarded Nov 22, 2023 at 14:21
Flow3rs fDr Charlie
Awarded Nov 3, 2023 at 18:48
Continue the squence of hexagons
Awarded Oct 12, 2023 at 21:04
How fast can you ruin a Scrabble game?
Awarded Oct 5, 2023 at 17:10
A colorful dodecahedron
Awarded Sep 11, 2023 at 13:35
Which positive integers have at least one positive integer multiple such that the base 10 representation of that multiple has only even digits?
Awarded Jul 20, 2023 at 15:21
David's Three sisters
Awarded May 23, 2023 at 14:05
Alternative solutions to a Michael Rabin puzzle
Awarded May 10, 2023 at 13:16
Boulders in Valleys
Awarded Jan 7, 2023 at 23:27
Polybius cipher meets Grid Puzzle
Awarded Dec 27, 2022 at 23:00
Two arcs equal three arcs
Awarded Dec 14, 2022 at 9:05
The Fourth Hardest Logic Puzzle Ever
Awarded Nov 16, 2022 at 8:45
Mastermind: Win in two
Awarded Sep 24, 2022 at 9:40
What is the next term in the sequence?
Awarded Aug 19, 2022 at 6:08
Heavy-duty computing challenge — maximum-density word packing
Awarded Jul 27, 2022 at 14:33
A Palindrome Challenge
Awarded Jun 24, 2022 at 18:26
Can you refold a hyper plus sign into a cube?
Awarded May 29, 2022 at 3:07
The mower's challenge
Awarded May 1, 2022 at 23:06
rfvgyhnbgt - puzzle involving using keys
Awarded Feb 25, 2022 at 23:32
What are all the possible transitions between matchstick numbers?
Awarded Feb 18, 2022 at 21:41
Points on the boundary of a circle
Awarded Jan 16, 2022 at 8:27
Find words that make a million
Awarded Nov 25, 2021 at 19:32
How many "mathletic" couples were having dinner at the table?
Awarded Nov 19, 2021 at 22:25
Mapping days as a 4 digit number!
Awarded Oct 21, 2021 at 7:17
Peeled Rubik's Cube
Awarded Oct 19, 2021 at 4:18
How to solve the "Lutz" sliding puzzle
Awarded Sep 21, 2021 at 9:38
Climbing scoring puzzle inspired by today's olympic event
Awarded Aug 10, 2021 at 18:21
Three columns of words with weird spacing
Awarded Jul 1, 2021 at 16:57
3 hats with numbers, where 2 hats sum to the third
Awarded May 20, 2021 at 17:36
A new kind of cipher
Awarded Apr 26, 2021 at 8:49
Inhomogeneous circle packing
Awarded Apr 19, 2021 at 16:49
Identifying a wooden puzzle box
Awarded Apr 7, 2021 at 15:07
Split 1 through 6 into a product of 24 and sum of 12
Awarded Apr 6, 2021 at 10:05
Lightbulbs in a 3×3 square
Awarded Feb 8, 2021 at 0:17
How can 3 queens control the white squares?
Awarded Feb 6, 2021 at 17:56
In the Undead Game, what makes one board more difficult than another?
Awarded Jan 26, 2021 at 19:12
Not so random walk
Awarded Jan 18, 2021 at 20:21
What makes this polynomial a square number?
Awarded Jan 13, 2021 at 10:21
Make numbers from 1-10 with 5 3s
Awarded Dec 13, 2020 at 13:37
Find the next term of $\frac14,1,\frac94,2+\frac2{\sqrt{3}}, \frac{5}{2} + \frac{5}{2 \sqrt{2}}, 3 + 3 \sqrt{\frac{1}{10} (5 + \sqrt{5})}$
Awarded Dec 9, 2020 at 22:34
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