Nim Strategy Learning Tool

How to play: Use the + and - buttons to change pile sizes. The goal is to make moves that result in a Nim-sum of 0, which puts you in a winning position. When the Nim-sum is 0, any move your opponent makes will give you another winning opportunity!
Pile A
3
011
Pile B
4
100
Pile C
5
101
Nim-sum (XOR)
110
Current position: LOSING position. Try to find a move that makes the Nim-sum = 000!