X-FEN
extension of Forsyth-Edwards Notation to represent positions in Chess960 (Fischer Random Chess) or Capablanca Random Chess (CRC), introduced by Reinhard Scharnagl in 2003
en-GB/ɛks - fɛn/
en-US/ˈɛks - fɛn/
extension of Forsyth-Edwards Notation to represent positions in Chess960 (Fischer Random Chess) or Capablanca Random Chess (CRC), introduced by Reinhard Scharnagl in 2003