The magic of adding random noise to black and white images. =========================================================== Applications for AMP are open until 11th March! https://jane-st.co/SUM-AMP-2026 The full puzzle is pasted below. Come and see me on tour - live and undithered! https://standupmaths.com/shows Check out JRH's video about Return of the Obra Dinn's pixel art: https://www.youtube.com/watch?v=\_3qzyAHMoUU And this great demo by Visual Rambling: https://visualrambling.space/dithering-part-1/ Huge thanks to my Patreon supporters. Their noise never makes me blue. https://www.patreon.com/standupmaths CORRECTIONS Nothing yet. Let me know if you spot anything! Filming by Alex Genn-Bash Editing by Gus Melton Written and performed by Matt Parker Content wrangling by Rhys Jones Production by Nicole Jacobus Music by Howard Carter Design by Simon Wright and Adam Robinson MATT PARKER: Stand-up Mathematician Website: http://standupmaths.com/ Here is the full Tennis Challenge puzzle: Alice, an amateur tennis player, has just joined a tennis club. As a welcome, the head coach Jenny decided to give her a challenge - Alice will play 3 games against Jenny and another club member Carla alternatively, and she needs to win two consecutive games to win the challenge. The coach allowed Alice to pick the order in which she would like to play those games - either Jenny-Carla-Jenny, or Carla-Jenny-Carla. Everyone knows that the coach is the best player in the club. Which order should Alice choose?