some interesting arbiter cases
Youtube-Videos
Collection of remarkable chess cases
Hikaru Nakamura Castled By Both Hands Vs Ian Nepomniachtchi | Armageddon Blitz Chess 2015
Cheparinov refuses handshake (chessdom.com)
nalchik-3-scandal
Wang Hao - Dreev
see also
How to claim a threefold repetition the right way in FIDE Tournaments
or also
Troms 2.1: World Cup Snapshots
Cheating in chess
Piece drop helps TruMasters to qualify!
Promotion to an upside-down rook, as the other player, holds the Queen hidden in his hand.
Sambuev vs Noritsyn, 2017, Canadian Championship, concluding second Blitz game.
Game Ahmed Adly 1 vs 0 Diego Flores World Blitz Championship 2016 - 50 moves draw claim wrong or error of arbiter?
see also
game in chessgames.com