I tried it for a few games with friends and I'm not sure at all that with the standard rules defenders can win. With many rule sets you can lock the board prett

I tried it for a few games with friends and I'm not sure at all that with the standard rules defenders can win. With many rule sets you can lock the board pretty easily and make it a draw or lose situation for defenders. I'm not aware of any demonstration of attackers winning every time or not but it's my strong suspicion.