Permalink Submitted by Stuart Russell on September 13, 2021

As pointed in some online fora, free-spider-solitaire games appear to be 100% solvable, although some take a long time to solve. I suspect they are generating solvable games by starting from the final empty board and working back, but I have no evidence for this. If someone can suggest an algorithm for this please post it!

## Free spider solitaire

As pointed in some online fora, free-spider-solitaire games appear to be 100% solvable, although some take a long time to solve. I suspect they are generating solvable games by starting from the final empty board and working back, but I have no evidence for this. If someone can suggest an algorithm for this please post it!