r3rbk1/pbpp2p1/2n4n/1B2p2p/1P3p1q/PR2P3/N1PP1P2/R1B1K1N1 w Q - 0 16
FEN state: r3rbk1/pbpp2p1/2n4n/1B2p2p/1P3p1q/PR2P3/N1PP1P2/R1B1K1N1 w Q - 0 16 ; Best move: c1b2
The current state of the chess board is: Black rook at a8, black rook at e8, black bishop at f8 and black king at g8. Black pawn at a7, black bishop at b7, black pawn at c7, black pawn at d7 and black pawn at g7. Black knight at c6 and black knight at h6. White bishop at b5, black pawn at e5 and black pawn at h5. White pawn at b4, black pawn at f4 and black queen at h4. White pawn at a3, white rook at b3 and white pawn at e3. White knight at a2, white pawn at c2, white pawn at d2 and white pawn at f2. White rook at a1, white bishop at c1, white king at e1 and white knight at g1. White queenside is the only castle move available. Half move number is 0. Full move number is 16. White to move.