Eh, I can understand using a different subset for fighting games Zenfolder:
Technical Fighter and Brawler. There are certainly enough games in each to each earn their own classes. Allow me to expand...
Technical Fighters:
A Technical Fighter relies heavily on button sequence memorization. It's a slower style of game that's usually more about blocking and special move comboing. There is certainly skill involved, but it's a slower style of game. There are usually many basic attack buttons, often upwards of 6. This forces players to memorize complex attack rules, rather than complex physics, world, or movement rules.
Games included in this genre are King of Fighters, Street Fighter, SNK vs. Capcom, Virtua Fighter, Tekken, and other 2D fighters of similar style. It's worth noting that this is a dying genre. Sales decrease year over year and there simply isn't room for the amount of games that are trying to exist in it. This is shown very clearly in the poor sales of even the highly reviewed ones such as Virua Fighter.
Brawlers:
Brawlers usually have a far simpler set of buttons than Technical Fighters, but operate under a more complex set of rules. They have combos as well, but these games are much more fast paced and combos are based on using the already existing attacks effectively rather than using button sequences to activate special moves. These games are heavily Dependant on your ability to shield and dodge very quickly.
By a more complex set of rules I mean these games often add in a lot of variables like the design of the level, the use of items and other outside sources, wider range of motion on the battlefield, and the use of more advanced techniques based on the complex physics of the game.
Games in this genre include the Smash franchise, Jump Ultimate Stars, and games like DBZ: Tenkaichi. This genre is neither dying nor expanding (with the exception of Smash), but it's also not over-saturated like Technical Fighters are.
Both fighting game subgenres require skill... just different skills. Technical Fighters force you to memorize more combos and button sequences, while Brawlers are much faster and force you to have better reaction time. Past that it's personal preferences as to which you would rather play, but Smash is the undeniable king of Fighting Game sales now, as it's the only game in the genre that's expanding rather than dying.