Alexander Pichushkin
His victims were homeless men he enticed to his residence with alcohol. He was known as the “Chessboard Killer” and “Bitsa Park Maniac”. It is believed that he murdered 49 people, most of whom he killed with several hammer blows to the head and then put a vodka bottle into the opening in their skull.
According to him, he planned to kill 64 people and fulfil a checkerboard square pattern. Moreover, he may have competed with another Russian serial killer, Andrei Chikatilo, who was jailed in 1992 for 53 murders. Alexander began killing the same year.