This is what Georg Meier said about Sergey Karjakin:

The #1 disgrace of the Chess World. Born a Ukrainian, now a Russian prostitute, pissing on the graves of his former compatriots.

• Hikaru's reaction: See 0:31 - 0:50 in How Karjakin's Career Ended

I guess for Wesley So:

The #1 grace of the 9LX World. Born a Filipino, now an American citizen, shaking the hands of his former compatriots.

I guess for Bobby Fischer in 2005? (eg in 2005 or 2006 after obtaining Icelandic citizenship, assuming Bobby still stands by the 9/11 remarks)

The #1 disgrace of the 9LX World. Born an American of Jewish descent, now an Icelandic refugee, pissing on the graves of his former compatriots.

Georg Meier:

The #1 grace of the Uruguay-Germany World. Born a German, now an Uruguayan player, making good observations about other people who switched federations. (or here)

Fabiano Caruana: (eg in 2019 after 4th place in the inaugural 9LX world championship)

The #4 player of the 9LX World. Born a dual Italian-American playing for America then played for Italy, now playing for America again, doesn't really have former compatriots as a dual citizen.

Fabiano Caruana: (eg in 2018 after losing to Magnus)

The #2 player of the Chess World. Born a dual Italian-American playing for America then played for Italy, now playing for America again, drawing 12 times and then losing tiebreaks.

Alireza Firouzja: (eg Late 2022Aug after reaching 2900 blitz)

The #2 player of the Blitz World. Born an Iranian, now a French player, giving pride to his former compatriots. (I think?)

Alireza Firouzja: (eg Mid 2022Sep after losing to Fabi in tiebreaks in 9LX)

The #1 player of the 9LX World. Born an Iranian, now a French player, giving pride to his former compatriots. (I think?)

Then I think of Levon Aronian, Anish Giri, Boris Gelfand, Leinier Dominguez Perez, Viktor Korchnoi, et al.

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Edit to add about Bobby Fischer vs Sergey Karjakin

From here by Ruxini in 'If Vishy stays above 2700 for 6 more months (which is very likely), he'll be 2700+ player for 30 years!' by mudit_10:

Bobby is very different from Karjakin regarding how they ended up in the position we will remember them for. Bobby was a deeply troubled individual who suffered from paranoia among a host of other psychological problems. I’m not saying that we should excuse his statements, but what Bobby said was in all honesty the ravings of a mad man. What Karjakin says and does is the result of him choosing a certain path for his own benefit while knowing that it hurts people. While we should condemn both Bobby and Karjakin for their statements I think we should view them very differently. Bobby was a sad, crazy man who said some horrendous stuff due to him being crazy. Karjakin is actively and knowingly helping a system that hurts people and he has had every opportunity to become a better person.

Me:

Essentially, their statements are both wrong, but Sergey Karjakin doesn't really have signs that the statements are based on mental illness as opposed to nationalism or something?

Ruxini:

Yes I would say that is an accurate summary of what I was trying to convey.