Simplify to a Sum Zero Game Like you said, there’s only one thing preventing this from having a Nim sum of zero, and it’s that last row of 9. So, remove the row of 9 on your first turn, and now you’ve reached a winning position. Reply
Like you said, there’s only one thing preventing this from having a Nim sum of zero, and it’s that last row of 9. So, remove the row of 9 on your first turn, and now you’ve reached a winning position.