Why River Plate is an imperfect analogy for intercepting Goeben

Cruiser success at River Plate is questioned as a precedent for attacking Goeben because the opposing ships differed substantially. At River Plate, light and heavy cruisers faced an opponent described here as an 11-inch-gun heavy cruiser. The earlier interception question placed much older armoured cruisers against a battlecruiser. The difference limits what the later battle can establish about the chances of the earlier force.