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Chalkboard referral code (September 2026)

A peer-to-peer fantasy app: Showdowns against other players, and Pulls, real sports card packs you keep or sell back, depending on your state.

18+ (19+ in NE, 21+ in MA). Code checked by hand on Sep 25, 2026. We may earn a bonus when you use a code. It never costs you more. Gambling problem? Call 1-800-GAMBLER.

Chalkboard
Referral code
50%deposit match
CB-BIGBANKA
GrailCodesPlayer first

Every verified new user gets the New User Pack, code or not, and the Promo Code field takes one code, so this one stands in for any other promo code. Compare first.

Open Chalkboard

Code not working, or a number here is off? Report it and it gets checked.

  • asks firstVerify your account; the match needs a deposit or purchase
  • age18+ (19+ in NE, 21+ in MA)
  • not inAZ, CO, DE, NV, TN
  • whereiOS, Android

What you get. Chalkboard's New User Pack once you verify: two Boost Cards, a 50% deposit or purchase match up to $500 in Bonus Funds, and a free Square.

How to redeem

  1. Download Chalkboard and sign up; type the code in the Promo Code field.
  2. Verify your account (ID and location). The New User Pack lands: the Boost Cards, the free Square and the match card.
  3. The match card adds 50% of a deposit or purchase, up to $500 in Bonus Funds.

The catch

  • Every verified new user gets the New User Pack, code or not, and the Promo Code field takes one code, so this one stands in for any other promo code. Compare first.
  • Deposits and Bonus Funds have to be played through once before you can withdraw them.
  • Not available in AZ, CO, DE, NV or TN. Only Pulls runs in AL, CT, HI, ID, IA, LA, ME, MD, MI, MS, MT, NJ, NY, OH and WA, and only its Social Sports Picks in MA, MO, NH, PA and VA, so check what the pack covers where you are.

About Chalkboard

  • Peer-to-peer fantasy app by Taild Sports, Inc. (New York): Showdowns against other players, Social Sports Picks (a sweepstakes game) in some states, and Pulls, real sports card packs you keep or sell back, depending on the state

Codes and bonuses change; if something here is wrong, the platform's app is the source of truth.

Questions

What is the Chalkboard referral code?
The Chalkboard referral code is CB-BIGBANKA. Enter it where the app asks for a referral, invite or promo code during signup. Chalkboard does not take players in AZ, CO, DE, NV, TN. 18+ (19+ in NE, 21+ in MA).
What do you get with a Chalkboard code?
Chalkboard's New User Pack once you verify: two Boost Cards, a 50% deposit or purchase match up to $500 in Bonus Funds, and a free Square.
Is there a Chalkboard promo code?
The code players enter is the referral code: CB-BIGBANKA. It goes where the app asks for a referral, invite or promo code at signup.
Can you cash out on Chalkboard?
Not checked yet. Read the platform's redemption or withdrawal rules in the app before you deposit.
Is Chalkboard legit?
A peer-to-peer fantasy app: Showdowns against other players, and Pulls, real sports card packs you keep or sell back, depending on your state. Things to know before you deposit: Every verified new user gets the New User Pack, code or not, and the Promo Code field takes one code, so this one stands in for any other promo code. Compare first. Deposits and Bonus Funds have to be played through once before you can withdraw them. Not available in AZ, CO, DE, NV or TN. Only Pulls runs in AL, CT, HI, ID, IA, LA, ME, MD, MI, MS, MT, NJ, NY, OH and WA, and only its Social Sports Picks in MA, MO, NH, PA and VA, so check what the pack covers where you are.

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