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Puzzles based on games Puzzles based on games simple puzzles with rows of simple puzzles on matching logical articles about paradoxes puzzles puzzles games logic cube rubik matching series ranks mathematical weighing probabilities dantets with a dirty humor program books Raymond smillian martin gardner Vladimir Belov Lewis Carroll Eugenium Geek

# Puzzles based on games

This section focuses on the best behavior strategies in various known (and not so) board games. Also here are all puzzles based on games, for example interesting chess problems.

1) Double chess.
Two play chess according to the following rules: first they make two moves white, then two moves are black, then again two moves are white, etc. If one of the kings is declared a check (dopystim, chechnomy), then in this case the course of the same goes to the black, but they have the right only one turn to get away from the shah (if you can not go one turn, then, as usual, .)
The task: to prove that in such a white with the best game is guaranteed as a minimum draw. Answer

2) On the normal chessboard is a white korol (field A1), and a black box (field D4). Add two white rooks and a white horse so that the black root is corroded. Answer

3) How many horses do you need to attack the whole board? To control the whole board? Answer

4) What is the maximum number of horses that can be placed on a board sized N * N so that they do not threaten each other? Answer

5) How many queens (queens) do you need to attack the whole chessboard? Answer

6) Put it last.
On an ordinary chessboard, two players take turns to place checkers (as an option - cigarettes) so that they do not come in contact with each other. The goal is to put your checker last. Is there a winning / win-win strategy? Answer

7) What is the minimum number of pieces to put on a chessboard so that each cell is under attack? (Different elephants and / or rooks can stand on cells of the same color) Answer

8) What is the maximum number of queens that can be placed on the chessboard so that they do not attack each other? On a board of size n * n? Answer

9) Here is the task: to place on the chessboard a minimum number of rooks so that each field is attacked no less than 2 rooks. The rook can attack through another rook and does not attack the field on which it stands. Answer

10) Simple (and most common) version of the game "him":
Probably everyone knows the game where several matches are put on the table (Alternatively, the cards) and in turn the opponents take 1, 2 or 3 matches. Who takes the last - lost. Is there any strategy for the right game? Answer

11) In the classical tetris 7 figures are used:

```  [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] []
[] [] [] [] [] [] [] [] [] ```
Is it possible to use the following set of figures to build the following figures:
1. rectangle 4 * 7
```  [] [] [] [] [] [] []
[] [] [] [] [] [] []
[] [] [] [] [] [] []
[] [] [] [] [] [] []
2. triangle
[]
[] []
[] [] []
[] [] [] []
[] [] [] [] []
[] [] [] [] [] []
[] [] [] [] [] [] [] ```