Chapter 17
Combinatorial games
1 Subtraction games
2 The nim sum
2 Nim
3 Northcott’s variation of nim
4 Wythoff’s game
Appendix: Beatty’s theorem
Exercise
Project: Another subtraction game
1 Subtraction games
2 The nim sum
2 Nim
3 Northcott’s variation of nim
4 Wythoff’s game
Appendix: Beatty’s theorem
Exercise
Project: Another subtraction game