r3k1rb/p3n3/n2q1p1p/2PP2p1/P4p2/BQP4b/4PPPP/R3KB1R w KQq - 0 20
FEN state: r3k1rb/p3n3/n2q1p1p/2PP2p1/P4p2/BQP4b/4PPPP/R3KB1R w KQq - 0 20 ; Best move: c5d6
The current state of the chess board is: Black rook at a8, black king at e8, black rook at g8 and black bishop at h8. Black pawn at a7 and black knight at e7. Black knight at a6, black queen at d6, black pawn at f6 and black pawn at h6. White pawn at c5, white pawn at d5 and black pawn at g5. White pawn at a4 and black pawn at f4. White bishop at a3, white queen at b3, white pawn at c3 and black bishop at h3. White pawn at e2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white king at e1, white bishop at f1 and white rook at h1. White kingside, white queenside and black queenside castles are available. Half move number is 0. Full move number is 20. White to move.