Chess Visualization with Aiden Rayner

🧠🧠 Slip of the Thumb (Find the Blunder Exercise)

July 15th, 2026

Find the Blunder Exercise: The audio will lead you through a series of moves from the beginning of a game. One player will blunder and the other will not punish them for it. Can you find the blunder and the best punishment?

To learn more about Don't Move Until You See It and get the free 5-day Conceptualizing Chess Series, head over to https://dontmoveuntilyousee.it/conceptualization

PGN for today's exercise:

  1. c4 e5 2. Nc3 Bb4 3. Nd5 Be7 4. d4 exd4 5. Qxd4 Nf6 6. Nxe7 Qxe7 7. b3 Nc6 8. Qc3 O-O 9. Bb2 d5 10. cxd5 Nxd5 11. Qc2 Rd8 12. e3 *

And the answer is...
10..Nxd5 is the blunder.

  1. Qc2 is the miss.
  2. Qxg7# is the correct punishment.