Some more Chess Riddles

Note: Links are provided for the problem and its solution separately.

Riddle #1

From the inital position, you are expected to reach the following position by any means. (only Legal moves though)
Note: There are no restrictions in the number of moves.
CLICK HERE FOR THE POSITION | CLICK HERE FOR THE SOLUTION

Riddle #2

This problem was composed by Werner Speckmann in the year 1965.
Task: In the given position — White to play & checkmate in 2 moves.
CLICK HERE FOR THE POSITION | CLICK HERE FOR THE SOLUTION

Riddle #3

This problem was composed by Hermann Albertz & Karl Henke (Year 1948 - 1st Prize)
Task: Helpmate in 2 (Both sides play with the same objective — Helping white to checkmate the black king on the second move)
CLICK HERE FOR THE POSITION
In the above position, find the two move checkmate when,

1. It is White to play (SOLUTION)
2. It is Black to play (SOLUTION)

Riddle #4

This problem was composed by Alexey Selezniev in the year 1921 (White to move)
Task: Find a way to claim an advantage in the given position
CLICK HERE FOR THE POSITION | CLICK HERE FOR THE SOLUTION

Riddle #5

This problem was composed by Richard Réti in the year 1928 (White to move)
Task: From the given position find a way to win as white
CLICK HERE FOR THE POSITION | CLICK HERE FOR THE SOLUTION

Riddle #6

This problem was composed by Johannes Kohtz and Carl Kockelkorn in the year 1866 (White to move)
Task: Find the quickest way to deliver a checkmate. Note — You are trying to checkmate the black king, so obviously you need to find the best defensive resources for black and play against it while accomplishing the objective.
CLICK HERE FOR THE POSITION | CLICK HERE FOR THE SOLUTION

Riddle #7

I am the composer of this riddle.
Task: From the inital position, you are expected to reach the following position by any means. (only Legal moves though)
Note: There are no restrictions in the number of moves.
CLICK HERE FOR THE POSITION | CLICK HERE FOR THE SOLUTION

Riddle #8

This problem was composed by Karl Fabel in the year 1952 (White to move)
Task: White should make a move and it should not be a checkmate. That is, to be clearer, white is supposed to make a move in this given position that shoudn't checkmate the black king.
CLICK HERE FOR THE POSITION | CLICK HERE FOR THE SOLUTION

Riddle #9

This problem was composed by Karl Fabel in the year 1951 (White to move)
This one is a bit similar to the previous one, but with a twist.
White needs to end the game with NOT a checkmate. Which means that whatever white plays from the given position it should not be a checkmate to the black king.
Task: White needs to keep the game alive and going and terminate it only by a self-mate or a stalemate, but not a checkmate!
CLICK HERE FOR THE POSITION | CLICK HERE FOR THE SOLUTION

Riddle #10

This problem was composed by Werner Keym in the year 1992
From the inital position, you are expected to reach the following position by Legal moves.
Note: On the white's 7th move, the given position must be reached
CLICK HERE FOR THE POSITION | CLICK HERE FOR THE SOLUTION

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Let me know if you like another one?