r2qkbn1/pp2p1p1/n1bp3r/1Pp2pp1/5P2/P1P1P1PP/1B1P4/RN2KB1R w KQ - 1 16
FEN state: r2qkbn1/pp2p1p1/n1bp3r/1Pp2pp1/5P2/P1P1P1PP/1B1P4/RN2KB1R w KQ - 1 16 ; Best move: b5c6
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at a7, black pawn at b7, black pawn at e7 and black pawn at g7. Black knight at a6, black bishop at c6, black pawn at d6 and black rook at h6. White pawn at b5, black pawn at c5, black pawn at f5 and black pawn at g5. White pawn at f4. White pawn at a3, white pawn at c3, white pawn at e3, white pawn at g3 and white pawn at h3. White bishop at b2 and white pawn at d2. White rook at a1, white knight at b1, white king at e1, white bishop at f1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 1. Full move number is 16. White to move.