During the movies you never really see any battles in an open field, it usually behind walls. So when I saw the Dwarves set up the shield wall it got me really excited and thinking, who is the best warrior race in middle earth? But in order to not get this question closed I'll change up the question a little bit. Does Tolkien ever talk about battle formations and tactics in his books? My personal observation is that the dwarves fight as a single unit whereas the elves prefer the one on one, for instance when Thranduil took his reindeer/moose across the bridge.
If I could put a comparison out there I would say Elves fought more like Samurai while the Dwarves used more like a Spartan/Hoplite type of tactic.
There is obvious draw backs to each race that we can assume, but does Tolkien go into any detail about this?