User ghosts_in_the_code

2

17

votes

1

answer

1k

views

Clear board in Othello (Generalisation)

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10

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1

answer

901

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Clear board in Othello

strategy game board-games reversi

Sep 11 at 14:17 Omega Krypton 20.5k

10

32

votes

10

answers

3k

views

Variant of lion and 100 zebras

mathematics geometry strategy game pursuit-evasion

Feb 4 '19 at 8:30 ghosts_in_the_code 6,707

2

4

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1

answer

548

views

Generalisation of Nim

mathematics game algorithm computer-science nim

Dec 29 '18 at 19:58 ManyPinkHats 6,739

1

8

votes

5

answers

20k

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Meeting of hands on a clock

mathematics visual time

Nov 22 '18 at 19:48 gabbo1092 5,406

2

3

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6

answers

1k

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Five logicians with one or two hats [7,8,9]

logical-deduction meta-knowledge

Sep 6 '18 at 17:05 Mike Earnest 29.5k

9

votes

1

answer

621

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Maximize 'chains' in a Sudoku

optimization sudoku

Jun 4 '18 at 13:05 ghosts_in_the_code 6,707

6

17

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9

answers

1k

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Agent 001's faulty delivery box

logical-deduction keys-and-locks

Apr 21 '18 at 11:55 Thomas Blue 5,868

2

votes

3

answers

584

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Clarifications on the unexpected hanging paradox

logical-deduction puzzle-creation explanation

Aug 17 '17 at 0:40 Timothy 125

1

4

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2

answers

543

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36-length snake in a 6x6 grid

grid-deduction

Jun 1 '17 at 7:31 Jamal Senjaya 16.8k

8

37

votes

11

answers

4k

views

Sudoku net that is always solvable

optimization sudoku

Apr 28 '17 at 9:28 ghosts_in_the_code 6,707

4

votes

1

answer

661

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Product of sum of divisors of two numbers

mathematics number-theory

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0

votes

1

answer

1k

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Packing circles in a rectangle [closed]

mathematics optimization packing

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4

votes

2

answers

637

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Is progress possible by a duo in an infinite maze?

mazes

Jan 30 '17 at 14:55 Community♦ 1

7

19

votes

4

answers

2k

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How many boxes are conductors?

mathematics visual optimization physics circuitry

Jan 28 '17 at 5:11 humn 19.1k

1

17

votes

2

answers

2k

views

Is progress possible in an infinite maze?

mazes

Jan 22 '17 at 7:59 Community♦ 1

7

votes

1

answer

945

views

Tic Tac Toe Recursive

strategy game pencil-and-paper-games tic-tac-toe

Jan 12 '17 at 3:27 Community♦ 1

2

7

votes

1

answer

579

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Connect 4 Recursive

strategy game

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6

votes

1

answer

363

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What is a Smooth Word™?

pattern lateral-thinking word-property

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4

19

votes

3

answers

3k

views

The origin of the blue eyes puzzle

logical-deduction puzzle-creation puzzle-identification blue-eyes

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1

8

votes

2

answers

2k

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25 square puzzle

game pencil-and-paper-games

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11

votes

3

answers

769

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Icosikaitrigons

mathematics geometry

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7

votes

2

answers

532

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Create an impossible knight transformation

chess optimization reachability knight-moves

Jul 25 '16 at 2:38 Community♦ 1

1

vote

3

answers

1k

views

Largest word-square puzzle [duplicate]

word wordplay crosswords word-square

Jun 22 '16 at 13:11 Community♦ 1

1

vote

8

answers

572

views

5 logicians with 1 or 2 hats (Part II) [8,9,10]

logical-deduction meta-knowledge

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9

votes

3

answers

3k

views

$n$ couples crossing a river

mathematics optimization river-crossing

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1

11

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1

answer

3k

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Deceptive dice game

mathematics strategy probability dice

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2

6

votes

2

answers

945

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Largest cages Killer Sudoku

logical-deduction calculation-puzzle optimization sudoku

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2

8

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4

answers

2k

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Use a circuit to multiply two resistances

mathematics optimization physics

Apr 7 '16 at 6:32 Community♦ 1

6

votes

2

answers

721

views

Block the snake

strategy game checkerboard

Mar 17 '16 at 9:21 Gamow 43.4k

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100 Questions

Clear board in Othello (Generalisation)

Clear board in Othello

Variant of lion and 100 zebras

Generalisation of Nim

Meeting of hands on a clock

Five logicians with one or two hats [7,8,9]

Maximize 'chains' in a Sudoku

Agent 001's faulty delivery box

Clarifications on the unexpected hanging paradox

36-length snake in a 6x6 grid

Sudoku net that is always solvable

Product of sum of divisors of two numbers

Packing circles in a rectangle [closed]

Is progress possible by a duo in an infinite maze?

How many boxes are conductors?

Is progress possible in an infinite maze?

Tic Tac Toe Recursive

Connect 4 Recursive

What is a Smooth Word™?

The origin of the blue eyes puzzle

25 square puzzle

Icosikaitrigons

Create an impossible knight transformation

Largest word-square puzzle [duplicate]

5 logicians with 1 or 2 hats (Part II) [8,9,10]

$n$ couples crossing a river

Deceptive dice game

Largest cages Killer Sudoku

Use a circuit to multiply two resistances

Block the snake