Here's a fairly easy peg-jumping challenge. There are eight rooks on the chessboard, arranged as shown above. The objective is to jump over and remove the jumped-over pieces until there is only one left. The catch:  Your jumps may be horizontal and vertical only, no diagonal jumps.

Puzzle #1:   How many different opening moves are there that lead to solutions?

Puzzle #2:   What is the least number of pieces that need to do the jumping?

Puzzle #3:   What is the most number of pieces over which a series of jumps can go?