Super X Chess

More dynamic chess game. Elegant and balanced design, which also respects the original chess rules.Key Features

• Move your own piece to the same square as your another piece to create a combined, more powerful piece.
  
• When 2 pieces are merged, the piece can't be unmerged or merge again.
  
• Royal pieces (Queen and King) don't merge.
  
• Pawns promote on last rank only if they are not merged or the pawn is merged with another pawn.
  
• Slightly modified pawn promotion rules: Pawn+Pawn pieces promote to more powerful pieces, but regular Pawns now only promote to either Rook, Bishop or Knight.
  
• Piece movement logics that are non-trivial are well thought out and include piece combinations of Knight+Knight, Rook+Rook and Pawn+Pawn.
  
• Online multiplayer & local multiplayer.
  
• Single player mode against customizable AI opponent.
  
• Includes tutorial for both normal Chess and Super X Chess.