In the absence of a traditional Christmas tree puzzle, here's a snowflake. It's White to play and mate in two. After White's first move, Black has two possible moves. You will need to find the mate after each of Black's moves:
(From Hugh Courtney's Christmas Quiz 1973)
And now, the same position moved down a row. This time it's White to play and mate in three:
(From Hugh Courtney's Christmas Quiz 1978)
Finally, click here.