Define a good player

[Deceptus]

Someone who is decent at their class.

Knows their basic rotations.

Uses most abilities when they need to be used.

[KaldeaSahaline]

A lot of good definitions in here.

A good player is really just someone who pushes buttons, does mechanics, and is a positive member of the team. It's not a very high bar to be honest. You don't need perfect logs, or to have beaten ultimate.

[kikix12]

In my opinion a good player is simply someone with both the willingness and capacity to learn on his own (mentally and physically).

A player that can follow a guide and clear content is not necessarily a good player. A player that can wipe the party but with every successive attempt will get better is a good player.

As such, "pioneers" are good players by this definition. If they manage to find the solution to the problem of "how to kill this new boss" then they show the capacity to learn on their own.

That being said, using guides and such is a trait of a dedicated and/or respectful player. Playing with a respectful but bad player is still better than with a disrespectful good player...well, most of the time.

[NewAgeDoom]

A good player is one who is smart enough to know they're not great at everything.

[Stormfur]

I would say that a good player is one who learns from their mistakes, and tries to prevent them from happening again. One who is helpful and courteous and does their best to take and give suggestions well.

I try to be that type of player (I typically only go as far as Ex primals, not Savage raids), so I'd say ultimately a good player is one who treats others as they would like to be treated.

[Starflake]

On my server basically everyone that isn't French. (Satire, sort of)

[YukiMinamoto]

Personally, I think a good player is someone who really does know their role pretty well: if you're a healer you heal your party members, if you're a DPS you do your role correctly, ect. Someone who knows from experience on what to do and what not to do. A good player learns from their mistakes and improves themselves and those around them, especially if they're a mentor helping their fellow players learn the ropes of the game.

[HyoMinPark]

What makes a good player is subjective, and it varies between individuals. Everyone is going to have a different definition of it, but I do think that a lot of people can come together to at least give a few traits that can universally define “good player”.

Here are some things that I personally think make a “good player”. For me, “good player” varies in definition depending on the type of content I am in, but I will start with listing traits that I think apply to all scenarios:
+ Is kind, courteous, and respectful to others; they never berate others
+ Is humble; they do not place themselves on a pedestal above other people
+ Offers respectful advice and constructive criticism on fights and/or job mechanics
+ Does their best to help new players through content as much as possible (e.g., explains important mechanics to look out for; if they’re a tank and they have a baby healer, they try to cater towards the healer’s comfort level with regards to pull size/greed; etc.)
+ Encourages people who are feeling a bit down about their performance (this includes giving positive pointers about what the person can do to make themselves feel a bit better, especially if they are feeling down about job performance)
+ When they make a mistake, they take responsibility for it instead of pointing fingers at other players
+ Has an adequate level of competence with regards to content (e.g., for dungeons, this means they have an adequate knowledge of the dungeon and important mechanics present; for Extremes/Savage/Ultimate, they have an intensive knowledge of the fight and fight mechanics)
+ Has an adequate level of competence with regards to their jobs (i.e., this means they have a decent knowledge of their job and can offer advice to learning players; in Savage, this means they know how to optimize their job to the best of its abilities)
+ Always has a desire to learn, and to do better (this applies to all content, but I mention it mostly with regards to higher-end content—e.g., when they know that there are things they can do to perform better in a piece of content, they actively seek out ways they can improve; ask for advice from more experienced players; study guides, logs, and POV videos; and they practice, practice, practice on those striking dummies and in a fight they are seeking to master)
+ They know when to not beat themselves up about mistakes; they accept that everyone makes mistakes, that it is a learning experience, and they try to take something positive from it

[Lynart]

EDIT: Looks like the poster above has the same opinion as me. Glad to see we think alike!

A good player is universal regardless of game or sport. As someone that has been involved in competitive gaming, motorsports, and lead projects regularly at work, here are some traits, in order of importance, that I strive to fulfill myself:

You can only control yourself
It doesn't matter how skilled one person is. You can't control someone to become worse so you can beat them. You can't control a teammate to become better either. This is a mindset adjustment and one that many, including myself, fail on a regular basis. Every time I feel like blaming someone else, I've failed. Every time I get tilted from an opponent, I've failed.

You are what you repeatedly do
If I blame others, I have become toxic and will cause the entire team to perform worse. If I identify someone else's fault without first finding a fault within myself, I am a hypocrite. I always try my best to look for my own faults before going off to criticize or advise somebody else. I have no right to condemn anyone if I am not perfect because if I were them, I'd be making the same mistakes.

Fail fast, hard, and often. Failure breeds humility and builds success
I can't count the number of times I have screwed up in ways that have resulted in raid wipes (I am a main tank, and have been for over 15 years.) I have also crashed every single season when racing motorcycles. I've also, literally, been criticized in a boardroom in front of many others for producing a completely incorrect prototype.

Rather than shifting the blame, I will acknowledge my own faults, and publicly apologize for them after I identify them to the audience. Through this, I have very rarely made the same mistake twice.

To win is to make peace
There was a time in the past where I would instantly tilt due to team mates being less skilled than me. This resulted in me yelling at them. It also resulted in everyone playing worse due to decreased morale as a direct response to my actions.

One time, at a race track, I chased a rider far faster than me because he smack talked me earlier. I wanted to show him I was faster, and that I could beat him. My inner self was not at peace but in fact at war. A side of me was telling me to slow down, but my ego wanted me to push. I ended up in the hospital.

In order to win on a team, the entire team needs to act as a unit and be at peace within themselves and amongst each other. The second that peace is disturbed, the chance of failure increases dramatically. And to gain peace, one must look deep within and control themselves first.
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On a far less serious note....I'll often go into dungeon's intoxicated and the very first thing I tell the group is "Hello, I am your MT. I'm also intoxicated. I am telling you all ahead of time to say sorry if I pull a little too big. Please don't hate!"

[Okamimaru]

To me a good player is friendly... since that's the only thing that really matters across every aspect of this game... I can deal with fork ups and wipes until the salt starts... friendly places give/take advice, respect each others limitations/time, and generally make all social interactions pleasant...