mathematical puzzle with movable disks: crossword clues

Matching Answer
Confidence
LPS
60%
HANOI
60%
CHATTEL
42%
SLR
20%
ROOKS
20%
GATE
20%
LOCI
20%
PUCKS
20%
DEMOS
20%
CAMS
20%
e.g. Greek Cheese
e.g. O?D (Use ? for unknown letters)