Keep the guesses going:
Clue 1: you suffer before the guitar solo
Clue 2: the song's chorus and key signature contradict each other
Clue 3:
Clue 4: Kasparov and Karpov
Clue 5: not the seventh son of a seventh son... but close
Clue 6: the writing credit on this song is reasonably common in the band's history, and it's one of the earliest instances of this particular songwriter combination getting credited
Clue 7: Cliff Ronning on the 2002 Nashville Predators
Clue 8: this is one of two songs on the studio album that hasn't been played live
Already guessed: Red and the Black, Stranger In A Strange Land, The Angel and the Gambler, The Clairvoyant, The Apparition, Isle Of Avalon, Die With Your Boots On, When Two Worlds Collide, Number of the Beast, Starblind, Stratego, Revelations, The Longest Day, Days Of Future Past, The Duellists, The Legacy, Alexander the Great, Mother Russia, The Evil That Men Do, Moonchild, Only the Good Die Young, 2 Minutes to Midnight, Blood on the Worlds Hands, Flight of Icarus, The Apparition