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Interactive BLD Course

Solve the Cube Blindfolded

Master the classic Old Pochmann method with interactive 3D demos, memory drills, and guided practice.

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AB

Letter Scheme

Memorize every sticker's letter using the Speffz system.

20 min
→

Tracing

Turn a scrambled cube into a sequence of letters with the buffer-jump procedure.

25 min
E

Edge Solving

Learn the UF buffer and how to shoot edges with setup moves.

40 min
C

Corner Solving

Master the UBL buffer and corner 3-cycles.

40 min
P

Parity

Fix the special case when edges have an odd number of targets.

15 min
M

Memo Gym

Train your brain to remember long letter chains.

Practice

Practice Tools

Setup Trainer

Drill every edge and corner setup move.

Full-Solve Sim

Time yourself on random scrambles.

Algorithm Library

Review every swap and parity algorithm.

This course assumes you can already solve a 3x3 cube with your eyes open.

Built with for blind solvers

Old Pochmann MethodSiGN NotationSpeffz Letter Scheme