It's really rare problem so it's little harder to identify. For others the tournaments are working fine.
I will keep you updated.
yup the problem its still there.
from my nerd My IT side I did some research ant it seems like it a problem of too many requests to the provider, that apparently have a regulated number of connection per region, when I mean region I'm assuming that , Canada, USA, And Europe have a segment of connections limited per each 60 seconds.
My theory its based on this news on Amazon cloud services: see the explanation below :
based on this picture-screenshot- 
here I quote the text:
"Amazon CloudFront now provides you even more control over the connection behaviors between CloudFront and your origin. You can now configure the number of connection attempts CloudFront will make to your origin and the origin connection timeout for each attempt. In addition, the CloudFront origin response timeout range has been expanded and you can now change the value from 1 to 60 seconds, where previously the minimum value was 4 seconds. These two new configurations can be individually set for any type of origin within your CloudFront distribution and can also be used to further enhance the responsiveness and availability of your multi-origin application when coupled with CloudFront Origin Failover.
For example, you can use CloudFront’s Origin Failover to create high-availability applications with a primary and secondary origin. By using these new origin connection configurations, you can more quickly cycle through Origin Group failover conditions and provide a faster response to the viewer request. For some use cases, like streaming video content, if the primary origin is unresponsive, you might want CloudFront to fail over to the secondary origin in as little as 1 connection attempt with a 1 second timeout. Having a tighter threshold on origin connection behaviors can help minimize video buffering by quickly fetching the video segment from the secondary origin or giving the player time to execute its own retry logic.
These new features are available today at no additional charge. You can use the AWS Management Console, Amazon CloudFront APIs, or AWS CloudFormation to configure these values. To learn more about these new configurations, refer to CloudFront's documentation. To get started with CloudFront, visit the CloudFront product page."
--
Also I did more research and apparently the IT team its messing around the platform.
check this documentation from Amazon cloudfront:
https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/http-400-bad-request.html
---
"Quote!":
HTTP 400 status code (Bad Request)
Your CloudFront distribution might send error responses with HTTP status code 400 Bad Request, and a message similar to the following:
The authorization header is malformed; the region '<AWS Region>' is wrong; expecting '<AWS Region>'
For example:
The authorization header is malformed; the region 'us-east-1' is wrong; expecting 'us-west-2'
This problem can occur in the following scenario:
Your CloudFront distribution's origin is an Amazon S3 bucket.
You moved the S3 bucket from one AWS Region to another. That is, you deleted the S3 bucket, then later you created a new bucket with the same bucket name, but in a different AWS Region than where the original S3 bucket was located.
To fix this error, update your CloudFront distribution so that it finds the S3 bucket in the bucket's current AWS Region...
--
Conclusion the problem is at the provider level.
i did posted a large text explaining where the problem was but I got censored LOL
Flash News
i was able to play at the tournament using my mobile and VPN (Germany server)

Hello, thanks for finding time to find the problem. I forwarded this message to game provider developers. I will let you know with any updates. 🙂
Participating in this tournament i have learned a few things to join and win at competitions in online casinos using real money you need :
A lot of money to give away
A lot of luck to get recursive winning
Well, there goes the answer for How to win at Online Casino 😄 Be ready to lose a lot and cross your fingers
That's why we decided to do free tournaments, so you don't have to use real money and you can compete for real prices. It's always hard to be in first positions when there is many people competing. And in slots, these tournaments are pretty much only about luck.
Also, we didn't forget about your problems with joining tournament, i forwarded this problem, but still don't have any update unfortunately 🙁
Hej Juraj,
Ville der være mulighed for at oprette en europæisk roulette-turnering?
På den anden side, spørg dig selv, om du kender til nogen gratis software til at etablere automatiserede spilprogrammer og dermed prøve forskellige roulettemetoder for at drage konklusioner fra historierne.
Alt det bedste.
Free Slot Tournament #1 in game Money Train 3 has ended.
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All of the winners will receive an e-mail with instructions to claim their price.
Good luck in next tournament. 🙂
Da jeg deltog i denne turnering, har jeg lært et par ting at deltage i og vinde ved konkurrencer i onlinekasinoer med rigtige penge, du har brug for:
Mange penge at give væk
Held og lykke med at vinde rekursivt
Participating in this tournament i have learned a few things to join and win at competitions in online casinos using real money you need :
A lot of money to give away
A lot of luck to get recursive winning
Gratis faglige kurser for medarbejdere på online casinoer om bedste praksis, optimering af spilleroplevelsen og en fair tilgang til gambling.
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Casino.guru er en uafhængig kilde, der leverer information om online casinoer og online casinospil uden at være kontrolleret af spiloperatører eller andre institutioner. Vores anmeldelser og vejledninger er ærligt og redeligt udarbejdet efter medlemmerne af vores uafhængige ekspertteams bedste evne og vurdering, men de er udelukkende tiltænkt oplysende formål og må hverken antages eller anvendes som juridisk vejledning. Du skal altid selv sikre dig, at du overholder alle lovmæssige krav, inden du spiller på et casino.
Kig i din indbakke, og klik på det link, vi har sendt til:
youremail@gmail.com
Linket udløber om 72 timer.
Tjek mapperne "Spam" og "Promoveringer", eller klik på knappen nedenfor.
Vi har sendt en ny bekræftelsesmail.
Kig i din indbakke, og klik på det link, vi har sendt til: youremail@gmail.com
Linket udløber om 72 timer.
Tjek mapperne "Spam" og "Promoveringer", eller klik på knappen nedenfor.
Vi har sendt en ny bekræftelsesmail.
Du omdirigeres til casinoets website. Vent et øjeblik. Tjek indstillingerne, hvis du bruger software til annonceblokering.