Japanese Soroban Test (Engel)
Samuel Engel records a 10th dan score on GMCA's mini-version of the Japanese Abacus Circuit test.
January 13, 2025
Required score for 10th dan is 23/30 or 115/150 on full-length version.
先前
Japanese Soroban Test (Multiplication Only--Sanz)
接下来
