rq2kb1B/pp1npp2/3p2pr/2p4p/5P1P/Nb1PP1n1/PP6/1R1QKBNR w Kq - 4 16
FEN state: rq2kb1B/pp1npp2/3p2pr/2p4p/5P1P/Nb1PP1n1/PP6/1R1QKBNR w Kq - 4 16 ; Best move: d1b3
The current state of the chess board is: Black rook at a8, black queen at b8, black king at e8, black bishop at f8 and white bishop at h8. Black pawn at a7, black pawn at b7, black knight at d7, black pawn at e7 and black pawn at f7. Black pawn at d6, black pawn at g6 and black rook at h6. Black pawn at c5 and black pawn at h5. White pawn at f4 and white pawn at h4. White knight at a3, black bishop at b3, white pawn at d3, white pawn at e3 and black knight at g3. White pawn at a2 and white pawn at b2. White rook at b1, white queen at d1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside and black queenside castles are available. Half move number is 4. Full move number is 16. White to move.