Undermining (chess) Undermining (chess) Undermining (also known as removal of the guard, or removing the defender) is a chess tactic in which a defensive piece is captured, leaving one of the opponent's pieces undefended or under-defended. The opponent has the unpalatable choice of recapturing or saving the undefended piece. A possible response is to sacrifice the piece whose defense was undermined before capturing the piece which just took the defender. Kramnik–Topalov in the seventh round of the 2004 Linares chess tournament reached the diagrammed position with White to play. The black knight on a4 is defended only by the black pawn on
Words and Music: A History of Pop in the Shape of a City Words and Music: A History of Pop in the Shape of a City Words and Music: A History of Pop in the Shape of a City is a 2005 book charting the history of popular music, by the music journalist and cultural commentator Paul Morley. Its style takes the form of a robotic Kylie Minogue traveling, with Morley, in a "cyber-car" towards a city of "sound and ideas." The starting points for this history of popular music are Morley's favourite pieces at the time of writing: Kylie Minogue's electro-pop song "Can't Get You Out of My Head" and Alvin Lucier's