not really sure if this should count as an achievement but the North Korean passport (which I have) would be pretty hard to get.
the most difficult achievements
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May 21, 2023
0
#24
Brooksvillechess wrote:
it doesn't seem to be that hard to acquire for some reason
Anybody can opt to use the North Korean flag, even if they are not from North Korea.
silicon brain too now
i got it wrongly though, so i am reporting it back to staff
Nov 30, 2023
0
#30
You can spam the drills to get the Drill achievements by clicking the hint button over and over (revenge for making the Silicon Brain achievement impossible without diamond). Also I just waited 1.5 minutes in a ten minute to deliver checkmate in a ten minute game for Nick of Time achievement. Also link to a Full House achievement game!! EASY!!!! https://www.chess.com/game/live/78076385578
chessterchief wrote:
a short list. if there are any you think should be added, let me know.
legend league.
the league achievements are not available yet, but when they are, this might be the most difficult achievement to earn. out of millions of people on chess.com, only 29,942 have made it to legend as of time of writing.
puzzle addict.
this one can take years. 10,000 puzzles is a lot to solve correctly.
silicon brain.
the drill awards are not working currently, but there are over 100 drills you must complete to get this.
castle victory.
this one is almost impossible to force, as castling is usually done early in the game. this one is very rare and one of the primary competitors for hardest achievement.
chatter box.
this one isn't really difficult, as all you have to do is post, but the shear number of posts you need, 10,000, put it on the list.
full house.
checkmating without losing any pieces is rare. I believe you can get this one by timeout as well, which would make it much less difficult.
nick of time.
every bullet player ever will win with less than a second left at some point, but this one is uncommon for those who play longer time controls.
I got legend league by playing random. So it was easier for me. But Puzzle addict needs premium otherwise you will slowly solve and crawl to the target and it needs long time. Difficult
.
I played bullet few weeks ago and played like addicted person 
So "Nick of time" was added
I got full house one day. I did not know how I got it 
Lexhibition wrote:
I have 137 achievements, for me the hardest is getting to 800 bullet, which won't happen very soon. Just can't do it.
You have 851 in bullet.
But rating is not an achievement by chess.com
Dec 7, 2023
0
#35
sukantadhara wrote:
Lexhibition wrote:
I have 137 achievements, for me the hardest is getting to 800 bullet, which won't happen very soon. Just can't do it.
You have 851 in bullet.
But rating is not an achievement by chess.com
You responded to a post that is over a year old. Apparently, they broke the 800 barrier during that time.
legend league wooooo
Dec 8, 2023
0
#38
Puzzle 5000 is one of the hardest..
Less than 100 have got it so far...
I have 137 achievements, for me the hardest is getting to 800 bullet, which won't happen very soon. Just can't do it.