Contract board
scheduledTier 1

The Choir Rota

Client: Grace ChapelChurch media team · Accra

Grace Chapel, Osu, Accra · Warm, light

Grace Chapel's media team keeps the choir, sound and livestream rota in one spreadsheet. A keen volunteer 'protected' it with codes from a puzzle book, then left for university.

Who you'll work with

Ada MensahYour lead

Engineering Lead

Dry, warm underneath, short sentences. Notices how you did. Never gushes.

Deaconess Ama

Media Team Lead, Grace Chapel

Cheerful, organised, sings while she types.

The client's system

Puzzle-book codes

ROT13, a mirror alphabet, a shift written on the sheet, Base64 and one ROT47 page from the back of the book.

ROT13 / ROT47Atbash mirrorCaesar shiftBase64 decode

6 tickets in the sequence · every developer gets unique keys and tests · the rules come out in the tickets

Opens in

…
Pay / ticket
8–20
Band
0–499
Scored tickets
6
Your time
72h

0 devs on this contract

Performance bonus · top 10

+24 gems to 1st

  1. #1+24
  2. #2+16
  3. #3+12
  4. #4+6
  5. #5+6
  6. #6–10+6 each

Ship 2+ tickets for a +5 completion bonus.

The shortlist stays hidden until wrap-up. Only the first 6 tickets count.