Colin James Physics - Logic puzzles.
Last updated: 30th June 2013.
Logic puzzles.
These are general logic puzzles - not Physics puzzles, but they should be challenging and fun (just like Physics).
If you know what you are looking for in a puzzle or have done a similar one before you may find an easier puzzle harder or a harder one straightforward.
So it its worth scanning through the different categories.
When you click on a puzzle it will appear below (and the screen will move down to show the puzzle) with a solution further down the screen.
Easier puzzles.
Running puzzle.
Tennis puzzle.
Water puzzle.
Walking puzzle.
Harder puzzles.
Spending puzzle.
Cakes puzzle.
Ages puzzle.
Chess puzzles.
Chess puzzle 1.
Chess puzzle 2.
Chess puzzle 3.
Chess puzzle 4.
Chess puzzle 5.
Chess puzzle 5.
White to play and mate in two moves.
Solution to Chess puzzle 5.
Solution on this page.
'Animated' solution (opens a new window).
Solution
Solution
Solution
Solution
Solution: Chess puzzle 5.
White move 1.
Nf6 (White Knight moves from d5 to f6).
Black move 1.
gxf6 (Black Pawn on g7 and takes the White Knight on f6).
White move 2.
Bf7# (mate) (White Bishop moves from c4 to f7 and black is in checkmate).
End of page.