3 ms·
Discovery, not re-discovery. The upper bound of 20 (that no position takes more than 20 moves) was not known earlier.
by svat 16y ago
Discovery, not re-discovery. The upper bound of 20 (that no position takes more than 20 moves) was not known earlier.
- mfukar 16y agoTrue. I was referring to the cumulative effort since Reid proved that the upper bound of Kociemba's algorithm is 29 moves. I apologize for any misunderstandings, but I cannot edit that post now.