Warfare Ranking
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@atavus Could try a couple of the mentioned options, and people can vote on which one's results they feel most accurately represented a good warfare ranking. Nothing like watching it in practice after all.
Algo 1 board vs Algo 2 board type thing
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The discussion on slack came up with a simple change to prevent farming. It has the other nice effect of encouraging the most bloodthirsty players to attack each other rather than farm noobs.
When you attack the controller of another player you get some PvP points, but not 1:1. Instead the points are scaled based on the players' relative PvP rank. The scaling function should limit points when attacking down and boost points when attacking up.
As further protection for noobs the scaling should round down so that high level PvP players get 0 PvP points when attacking a passive player.
Up for debate is whether PvP points should be zero sum; does getting attacked lower your PvP points? I think this will encourage strong defense instead of just offense. It also futher encourages PvP players to attack their peers rather than players much lower on the leaderboard.
There a pseudo code example of what I'm describing:
t = highest pvp points in the world + 1 (updated by a cron if this is expensive to compute). a = attacker pvp points d = defender pvp points n = attackController damage a_relative = a/t d_relative = d/t scale = 1 + (d_relative - a_relative) a += floor(n * scale) d -= ceil(50% n * scale) t = max(t, a, d) // attempt to avoid stale t
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IMO it doesn't need to zerosum. Warfare is already a large expenditure of resources, if two players are having a fierce battle all month they should both end up with lots of points.
If players "farm" it by having glorious showdowns with each other then I count it as a win. Weighting it with a bit of GCL and current ranking seems like a good idea but I feel like putting up a good show on defense should reward you too.
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@Davaned agreed. someone just sending an attack and someone else defending should not affect their scores. we would need to identify a successful attack or defense to adjust the scores. perhaps a surviving defender would get an increase in PvP points, just not as much as a successful attack... also, if it resets monthly, like the other leaderboards, i do not see the issue of 0 sum adjustments like @deft-code's being critical.
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I still think that a leaderboard similar to what i suggested in this post (https://screeps.com/forum/topic/257/npc-strongholds) would be a decent way of doing a combat related leaderboard.
If the NPC strongholds get stronger and stronger every time they are defeated until resetting after a certain amount of time undefeated then a leaderboard could track the highest level of stronghold that you have defeated. High enough levels may even require cooperation with other players.
This would reset (every month?) just like the other leaderboards so that you have to be attacking every month to keep your "battle" ranking high. The NPC strongholds would have to have good enough rewards to make it worth it as well.
Something like this would not be very "abusable" because it is not quantity based, but difficulty based, and if the difficulty scaled a lot then it would could also give bored players something else to work at or a reason to work together with other players in an attempt to beat them.
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Also i believe something like this would encourage battle, even if it did not necessarily show how good at combat you are: https://screeps.com/forum/topic/2338/survival-leaderboard-time-w-o-respawn
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The big problem with attack controller that doesn't seem to have occurred to anybody so far is that you can only attack controllers at a maximum of 500 squares away from your spawn. But you can wipe out a player that is approaching 1500 squares from one of your spawns. This means the ranking is arbitrarily ignoring maybe half (at a guess) of all battles - somewhat problematic! So it's not so much a "warfare ranking" as an "arbitrary subset of warfare ranking".
In fact it's not ranking warfare at all, it's ranking a side-event almost entirely unrelated to warfare (except that the side-event is spawned after warfare has taken place). There is no guarantee that the person who knocked down 100 million hits worth of ramparts ever gets ranked. Instead, the person who gets ranked is the person who sees that a room has fallen, and sends in claim creeps to attack the controller. This may of course sometimes be the person that knocked down 100m of ramparts, but often it could be any nearby opportunist. In fact the optimal way to play this leaderboard is to observe nearby battles, and only when the work has been done and the controller is safely reachable, send in a few combat troops and claim troops to get enough controller attacks in to win the downgrade. Ideally, the optimal way to rise in the warfare ranking would be by engaging in warfare. Stealing the meat hunted by lion is what jackals do, so this ranking shouldn't be called "warfare ranking", it shouldn't even be called "arbitrary subset of warfare ranking", it should be called "jackal ranking"!
Any useful "warfare ranking" somehow has to reflect the effort that goes into, or the result of, warfare.
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@wtfrank all good points. The issue was touched on briefly earlier in the thread.
Technically it's 600 squares (Claim lifetime was increased about a year ago).
I actually am not bothered by the case you describe where player A knocks down 100m and then player B comes in. In most PVP, it's called a kill steal. Of course, nothing is stopping player A from then hunting down player B.
You are correct that this is not an ideal metric, but it is a simple place to start and we won't be able to define or identify an ideal metric to measure warfare. You can spend the next year debating the "right" formula and creating exceptions on top of exceptions to cover every case and you will end up with something not usable. The advantage of this formula is that it builds into an easily identifiable and quantifiable mechanic of the game that is present now.
The fact that attacking controllers is currently a small subset of warfare does not mean it would remain so if such a ranking is introduced. It's likely that people would build various strategies around the limitation of creep claim. I can certainly imagine someone building a small forward base with the exclusive purpose of spawning necessary claim parts to stake their claim to killed rooms in an area. Warfare is likely to evolve around the established "reward".
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Isn't it better to wait until we launch Screeps Arena? It looks like a much better fit for such a rating.
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Agreed.
There's been a fair number of ideas bouncing around, but we don't seem to be converging on a clear solution yet.
There's enough going on with all the other changes and initiatives.
