Rooks Attacking Every Square on a Chess Board
30418
In how many different ways can we place $8$ identical rooks on a chess board so that no two of them attack each other?
86397
throwing a $k$-sided dice until you get every face the same number of times
2628
Counting number of moves on a grid
103081
Square-tiling a torus
24477
Monochromatic squares in a colored plane
38074
Winning strategies in multidimensional tic-tac-toe
108508
Prove that every tournament contains at least one Hamiltonian path.
152171
Probability enemy territory captured in X turns
45358
Maximum board position in 2048 game
62987
Game flicking chequers knocking opponents off
17097
Number of moves necessary to solve Rubik's cube by pure chance
114253
Solving chess bishop problem
154494
Prove that there exists a row or a column of the chessboard which contains at least √n distinct numbers.
13583
Preventing cheating for on-line arcade high score board
107110
Solving Rubik's cube and other permutation puzzles
18891
Strategies to Defeat Memory Editors for Cheating - Desktop Games
125124
Random solving of a Rubik cube .