That's not clear to me. By that logic, any game in which players took one turn each, sequentially, would be gambling. The fact that you can no longer control t

That's not clear to me. By that logic, any game in which players took one turn each, sequentially, would be gambling. The fact that you can no longer control the outcome does not make it gambling. You need to have a nondeterministic component that is exogenous to the players.