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Ultimate MMA & jiu-jitsu Training Center
Training Grounds Logo
Ultimate MMA & jiu-jitsu Training Center
  • Home
  • Our Facility
  • Online University
  • Our Instructors
  • Kids
  • BJJ
  • Muay Thai
  • MMA
  • Getting Started
  • Contact
  • Latest News
  • Ultimate MMA & jiu-jitsu Training Center |
    79 State Street North Haven, CT 06473
    | Phone: (203) 230-9017 |
    Privacy Policy | Copyright © 2019 by Andrew Calandrelli

  • Rainbet Casino Guide – Registration, Bonuses & Payments

    June 2, 2016 by seoengine

    This is a practical, step-by-step walkthrough: registration, verification, bonuses, and payments — no fluff.

    Prerequisites

    • A valid email address and a strong password.
    • Stable internet connection with a modern browser (Chrome, Firefox, or Edge).
    • Age 18+ or the legal gambling age in your country.
    • A funded account with one of the supported payment methods (credit/debit card, e-wallet, or cryptocurrency).
    • Willingness to complete KYC (Know Your Customer) verification before the first withdrawal.
    • Basic understanding of wagering requirements and bonus terms.

    Registration

    1. Navigate to the official website of Rainbet casino and click the “Sign Up” or “Register” button.
    2. Enter your email address, create a unique username, and set a strong password (use at least 12 characters with numbers and symbols).
    3. Select your preferred currency – fiat (USD, EUR) or cryptocurrency (BTC, ETH, USDT).
    4. Check the box to agree to the terms and conditions and confirm you are of legal age.
    5. Complete the captcha and click “Create Account”.
    6. Check your inbox for a verification email – click the link to activate your account.
    7. Log in for the first time and optionally add two-factor authentication (2FA) under account settings.

    Calculating Your Bonus

    Most welcome offers match your deposit by 100% up to a certain cap (e.g., 1 BTC) plus free spins. To evaluate whether the bonus is profitable, you must calculate the wagering requirement. Example: Deposit 0.5 BTC and receive a 100% bonus of 0.5 BTC. Common terms: wagering requirement = 35 × (deposit + bonus) = 35 × 1.0 = 35 BTC.

    Formula: Total Wagering Required = (Deposit + Bonus) × Wagering Multiplier.
    With 0.5 BTC deposit: (0.5 + 0.5) × 35 = 35 BTC.

    Now estimate your expected loss. Assume the game has an RTP (Return to Player) of 96%. Expected loss = Total Wagered × (1 – RTP) = 35 × 0.04 = 1.4 BTC. This means you will likely lose 1.4 BTC from the 1.0 BTC balance (deposit + bonus), leaving you with a net negative. In practice, the bonus is only profitable if the wagering requirement is low and you play high-RTP games. Always check the terms: some casinos exclude certain games from wagering or apply a lower contribution percentage.

    Safety & Licensing

    Rainbet operates under a Curacao eGaming license, which provides a baseline level of player protection. The site uses 256-bit SSL encryption to secure all transactions and personal data. Games are tested by independent auditors for fairness (RNG certification). Important: Winnings from a Curacao-licensed casino may be subject to local income tax in your country; consult a tax advisor. The platform also supports responsible gambling tools (see Extra Tips).

    Payment Methods

    Deposits and withdrawals are processed via both fiat and crypto channels. The following table summarises the key options:

    Method Deposit Min/Max Withdrawal Time Fees
    Visa / Mastercard $20 – $5,000 2–5 business days None (casino covers)
    Bitcoin (BTC) 0.0005 BTC – 10 BTC Up to 1 hour Network fee only
    Ethereum (ETH) 0.01 ETH – 100 ETH 10–30 minutes Network fee only
    Litecoin (LTC) 0.1 LTC – 500 LTC 5–15 minutes Network fee only
    USDT (TRC-20) $20 – $20,000 5–30 minutes Network fee only

    When Things Go Wrong

    • Forgot password: Use the “Forgot Password” link on the login page. An email with a reset link will be sent.
    • Withdrawal pending for more than 48 hours: First, verify that KYC documents (ID, proof of address) have been submitted and approved. If yes, contact customer support via live chat with your transaction ID.
    • Bonus not credited after deposit: Check if the bonus code was entered. If not, contact support to apply it manually – but do not play before confirmation, as wagering must start from zero.
    • Verification documents rejected: Common reasons: blurry photo, expired ID, or mismatched name. Resubmit clear, full-colour documents meeting the requirements listed in the “Verification” section of your account.
    • Game not loading: Refresh the page, clear your browser cache, or try a different browser. If using a VPN, disable it temporarily, as some providers block VPN traffic.
    • Self‑exclusion request: Email the support team with your account details and the desired exclusion period (minimum 24 hours). The casino will disable your account and prevent new registrations.

    Common Questions

    How long do withdrawals usually take?

    Cryptocurrency withdrawals are processed within 1 hour after approval, while fiat methods (card, bank transfer) may take 2–5 business days. Approval itself typically happens within 24 hours once KYC is completed.

    Do I need to verify my account before withdrawing?

    Yes – you must complete KYC verification (ID, proof of address, and sometimes a selfie with your ID) before the first withdrawal. Without verification, withdrawal requests are declined.

    Can I change my registered email address?

    No – email changes are not possible after registration. If you lose access to the email, you will need to create a new account and let support know to close the old one.

    Are there any country restrictions?

    Yes – players from certain jurisdictions (e.g., USA, UK, Spain, France) are not accepted. Check the terms and conditions for the full list.

    What happens to my bonus if I request a withdrawal?

    If you request a withdrawal while a bonus is active, the bonus and any winnings from it are forfeited. You will only be able to withdraw your original deposit if it is still available.

    Can I use multiple payment methods?

    Yes, you can deposit using different methods, but withdrawals are limited to the same method used for deposit. If that method does not support withdrawals, an alternative will be offered (e.g., bank transfer).

    Is there a maximum win cap on bonuses?

    Some bonuses have a maximum win cap – usually 10x the bonus amount. For example, a 0.5 BTC bonus would cap winnings at 5 BTC. Always read the bonus terms before claiming.

    What should I do if I think a game is malfunctioning?

    Stop playing immediately and screenshot the error message or the game screen. Contact support with the details; if the casino confirms the malfunction, they will refund your last bet.

    Extra Tips

    Responsible gambling tools are available under your account settings. You can set daily, weekly, or monthly deposit limits. Session limits allow you to restrict play time (e.g., 1 hour per session). Self-exclusion lets you block your account for a chosen period (24 hours to permanent). Use reality check pop-ups that remind you how long you have been playing. Important: These tools are binding – once set, they cannot be removed before the selected period expires.

    Always keep your password private and enable 2FA. Do not share your account details with anyone. If you suspect unauthorised access, change your password immediately and contact support.

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    Training Grounds Logo
    Anthony Caciopoli reviewed Ultimate MMA and Jiu-jitsu Training Center – 5

    I specifically wanted to train Marcelo Garcia Jiu Jitsu and that's exactly what you'll get here, in both Gi and No Gi. Along with Boxing, Muay Thai, and a women's boot camp, your younger children can come to train and learn a skill that will not only offer them a safe, fun environment, but serve them the rest of their lives. This facility is large, clean and packed full of competitive champions. Not only do they get out there and do it, but they get out there and keep doing it. No one is made to feel uncomfortable at any age or skill level. They have female instructors as well as males and the women teach the younger kids. My daughter went for her trial day and she loved it. They make the kids classes fun. I've been coming close to six months now and I haven't met one person that wasn't kind or helpful. I really look forward to training here a long time, making new friends with nice people and entering Jiu Jitsu competitions. The trial class is free with no commitment. Come give it a try, it will change and improve your life for the better.

    Brett Snider reviewed Ultimate MMA and Jiu-jitsu Training Center – 5

    If there was one place to send your child to learn self defense, and more importantly, confidence, this would be the place. The staff not only knows what they are talking about, but they take a personal approach to every person that is part of the Ultimate MMA family. Contact them today to know that your child is getting the best guidance in the area.

    LJ Jurczak reviewed Ultimate MMA and Jiu-jitsu Training Center – 5

    Fun, friendly environment. Completely different than most would expect. The staff and students are all great mannered, friendly, fun and challenging. You won't be disappointed, also like to add how clean the gym and facilities are.

    Albert Silva reviewed Ultimate MMA and Jiu-jitsu Training Center – 5

    Andrew Calandrelli is not only extremely knowledgeable, he is also a talented teacher. I've been to other martial arts schools, some good, some not so much and I have never had the quality of instruction that I've had at this school. Andrew's staff is professional, friendly and have a sincere love for what they do. The facility is exactly what you would imagine a great school to be. The students range in skill level from beginner to expert, but I've noticed that if you train with someone who is much better than you are, it's likely that they'll take a moment to give you some tips to make you better. Great staff, great students, great facility. No need to go anywhere else.”

    Harris Bonfiglio reviewed Ultimate MMA and Jiu-jitsu Training Center – 5

    Andrew Calandrelli is not only extremely knowledgeable, he is also a talented teacher. I've been to other martial arts schools, some good, some not so much and I have never had the quality of instruction that I've had at this school. Andrew's staff is professional, friendly and have a sincere love for what they do. The facility is exactly what you would imagine a great school to be. The students range in skill level from beginner to expert, but I've noticed that if you train with someone who is much better than you are, it's likely that they'll take a moment to give you some tips to make you better. Great staff, great students, great facility. No need to go anywhere else.

    Anthony Caciopoli reviewed Ultimate MMA and Jiu-jitsu Training Center – 5

    I specifically wanted to train Marcelo Garcia Jiu Jitsu and that's exactly what you'll get here, in both Gi and No Gi. Along with Boxing, Muay Thai, and a women's boot camp, your younger children can come to train and learn a skill that will not only offer them a safe, fun environment, but serve them the rest of their lives. This facility is large, clean and packed full of competitive champions. Not only do they get out there and do it, but they get out there and keep doing it. No one is made to feel uncomfortable at any age or skill level. They have female instructors as well as males and the women teach the younger kids. My daughter went for her trial day and she loved it. They make the kids classes fun. I've been coming close to six months now and I haven't met one person that wasn't kind or helpful. I really look forward to training here a long time, making new friends with nice people and entering Jiu Jitsu competitions. The trial class is free with no commitment. Come give it a try, it will change and improve your life for the better.

    Brett Snider reviewed Ultimate MMA and Jiu-jitsu Training Center – 5

    If there was one place to send your child to learn self defense, and more importantly, confidence, this would be the place. The staff not only knows what they are talking about, but they take a personal approach to every person that is part of the Ultimate MMA family. Contact them today to know that your child is getting the best guidance in the area.

    LJ Jurczak reviewed Ultimate MMA and Jiu-jitsu Training Center – 5

    Fun, friendly environment. Completely different than most would expect. The staff and students are all great mannered, friendly, fun and challenging. You won't be disappointed, also like to add how clean the gym and facilities are.

    Albert Silva reviewed Ultimate MMA and Jiu-jitsu Training Center – 5

    Andrew Calandrelli is not only extremely knowledgeable, he is also a talented teacher. I've been to other martial arts schools, some good, some not so much and I have never had the quality of instruction that I've had at this school. Andrew's staff is professional, friendly and have a sincere love for what they do. The facility is exactly what you would imagine a great school to be. The students range in skill level from beginner to expert, but I've noticed that if you train with someone who is much better than you are, it's likely that they'll take a moment to give you some tips to make you better. Great staff, great students, great facility. No need to go anywhere else.”

    Harris Bonfiglio reviewed Ultimate MMA and Jiu-jitsu Training Center – 5

    Andrew Calandrelli is not only extremely knowledgeable, he is also a talented teacher. I've been to other martial arts schools, some good, some not so much and I have never had the quality of instruction that I've had at this school. Andrew's staff is professional, friendly and have a sincere love for what they do. The facility is exactly what you would imagine a great school to be. The students range in skill level from beginner to expert, but I've noticed that if you train with someone who is much better than you are, it's likely that they'll take a moment to give you some tips to make you better. Great staff, great students, great facility. No need to go anywhere else.