The game has subtle strategies to make others navigate through the cities.

Clearly, games can be devised that are tests of far more subtle strategies and complex manoeuvres.

To Rodney Casper, the problem had been one of subtle strategy.

The President is now pursuing a very complex strategy, as subtle as it is dangerous.

The racing itself has an emphasis on subtle strategy, e.g. playing with the horse's individual characteristics in mind.

After all his subtle strategies and big surprises, it was a petty murder attempt that tagged him.

But others said they thought Mr. Jordan's reluctance to take an easy out was an indication of a more subtle strategy.

A whole variety of subtle strategies are available.

The coming problems demand more subtle strategies.

Behind the purple death lay subtle strategy; the scheming of a mighty brain.