r1b1kr2/1pppqpQ1/pb2p3/n3n1Pp/P6P/2P1PP2/1P1P4/RNBK1BNR b q - 0 16
FEN state: r1b1kr2/1pppqpQ1/pb2p3/n3n1Pp/P6P/2P1PP2/1P1P4/RNBK1BNR b q - 0 16 ; Best move: e5g6
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8 and black rook at f8. Black pawn at b7, black pawn at c7, black pawn at d7, black queen at e7, black pawn at f7 and white queen at g7. Black pawn at a6, black bishop at b6 and black pawn at e6. Black knight at a5, black knight at e5, white pawn at g5 and black pawn at h5. White pawn at a4 and white pawn at h4. White pawn at c3, white pawn at e3 and white pawn at f3. White pawn at b2 and white pawn at d2. White rook at a1, white knight at b1, white bishop at c1, white king at d1, white bishop at f1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 0. Full move number is 16. Black to move.