Irregular King’s Defences Database

Explore the Irregular King’s Defences Database with 1.e4 a5, a6, b6, f5, f6, g5, h5, h6, Na6 or Nh6 and train the openings interactively in MICOS DB. Select an opening to replay its moves on the chessboard, study its exact move order and identify its Opening Name and MICOS Code.