just disable audio if you dont like it. A lot of people have the audio for checkmate not because they dont realize it is checkmate but because they like the sound to fill in the silence.
Why this ***** audio effect on check mate - are you all

Most people resign before being checkmated.
Most people who allow mate see it coming.
Plus you're not even playing regular chess, it's a varient.
So you're a subgroup of a subgroup of a subgroup... that's why not many people are talking about it.


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Helping Chess.com Grow

No, but my goal is to become one. Even if I'm currently not one, I strive to help Chess.com grow.

The verbal abuse is in the heading and the body paragraph, where he mentions us as "retarded". Chess.com does not allow abusive language. The five stars up the top mean a swear word.
This is definitely an "I didn't see that mate coming" tilt-post.
(100% cure for that startle: stop trying to win games at short time controls and iterate every opponent move in your head before moving; accept loss on time... or just take off the damned headphones)
But the premise is 100% valid. The slightly louder checkmate sound and slightly sped up piece animation are 100% psychologically harmful.
There should be an option to shut it off, or "theme" the sounds.
It's not a big deal by itself, but if you connect the dots between a whole bunch of weird decisions like this, a not-so-great MLE picture emerges....
No, but my goal is to become one. Even if I'm currently not one, I strive to help Chess.com grow.
Haha, don't waste your time.

This is definitely an "I didn't see that mate coming" tilt-post.
(100% cure for that startle: stop trying to win games at short time controls and iterate every opponent move in your head before moving; accept loss on time... or just take off the damned headphones)
Very funny XD

No, but my goal is to become one. Even if I'm currently not one, I strive to help Chess.com grow.
Haha, don't waste your time.
I certainly do not presume that this is a waste of time, instead an optional deed for our community.

Just thank grud it doesn't go 'Da, da-da!!!'
Which site does this? I almost remember.
Wait, it's Chess Titans right?

Try replacing the sound file with the following: https://youtu.be/CQeezCdF4mk
Or
Chess.com has one of the worst possible sound effects for a check mate - it is really hard to digest and makes one have a heart attack if it is not expected.
Are you a bunch of (edited-UpbeatAngle)that dont care for humanity because you are too smart? do you want to kill everyone who does not have the intellectual ability to keep on winning ?
Why on earth is this not even discussed?