Governing Magazine has this fairly lengthy article on Ranked-Choice Voting. Governing Magazine is a monthly print publication that is also on-line, and is intended for state and local government public officials. It is 25 years old. Thanks to Rick Hasen for the link.
IRV is FATAL for single offices.
34 H–M–S
33 S–M–H
16 M–H–S
16 M–S–H
99
H Hitler
S Stalin
M Moderate Middle person
—
P.R. and nonpartisan App.V.
Longer term – Head to Head Condorcet math with tiebreakers.