r1bqkbn1/p4r2/1p6/1p1pppPp/1n1P1p2/P6P/RPP1P2R/1NB1K1N1 b q - 1 16
FEN state: r1bqkbn1/p4r2/1p6/1p1pppPp/1n1P1p2/P6P/RPP1P2R/1NB1K1N1 b q - 1 16 ; Best move: b4c2
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at a7 and black rook at f7. Black pawn at b6. Black pawn at b5, black pawn at d5, black pawn at e5, black pawn at f5, white pawn at g5 and black pawn at h5. Black knight at b4, white pawn at d4 and black pawn at f4. White pawn at a3 and white pawn at h3. White rook at a2, white pawn at b2, white pawn at c2, white pawn at e2 and white rook at h2. White knight at b1, white bishop at c1, white king at e1 and white knight at g1. Black queenside is the only castle move available. Half move number is 1. Full move number is 16. Black to move.