Two sudokus in one. Challenge yourself to make the necessary connections.
A game for 2 players. Set out 16 counters in rows of 1,3,5 and 7. Players take turns to remove any number of counters from a row. The player left with the last counter looses.
Some puzzles requiring no knowledge of knot theory, just a careful inspection of the patterns. A glimpse of the classification of knots and a little about prime knots, crossing numbers and knot arithmetic.
This sudoku requires you to have "double vision" - two Sudoku's for the price of one
Can you find a strategy that ensures you get to take the last biscuit in this game?
A simple game for 2 players invented by John Conway. It is played on a 3×3 square board with 9 counters that are black on one side and white on the other.
