r3qb1r/2pkp1p1/2b2p1n/1p1p2P1/pn5P/P1P2P2/1P1PP2R/RNB1KBN1 b Q - 2 16
FEN state: r3qb1r/2pkp1p1/2b2p1n/1p1p2P1/pn5P/P1P2P2/1P1PP2R/RNB1KBN1 b Q - 2 16 ; Best move: b4c2
The current state of the chess board is: Black rook at a8, black queen at e8, black bishop at f8 and black rook at h8. Black pawn at c7, black king at d7, black pawn at e7 and black pawn at g7. Black bishop at c6, black pawn at f6 and black knight at h6. Black pawn at b5, black pawn at d5 and white pawn at g5. Black pawn at a4, black knight at b4 and white pawn at h4. White pawn at a3, white pawn at c3 and white pawn at f3. White pawn at b2, white pawn at d2, white pawn at e2 and white rook at h2. White rook at a1, white knight at b1, white bishop at c1, white king at e1, white bishop at f1 and white knight at g1. White queenside is the only castle move available. Half move number is 2. Full move number is 16. Black to move.