rnb1kb2/p2p1p2/1p1qp2r/4P1p1/2N4p/3N4/PPPPKPPn/R1BQ1R2 b q - 5 16
FEN state: rnb1kb2/p2p1p2/1p1qp2r/4P1p1/2N4p/3N4/PPPPKPPn/R1BQ1R2 b q - 5 16 ; Best move: d6d4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8 and black bishop at f8. Black pawn at a7, black pawn at d7 and black pawn at f7. Black pawn at b6, black queen at d6, black pawn at e6 and black rook at h6. White pawn at e5 and black pawn at g5. White knight at c4 and black pawn at h4. White knight at d3. White pawn at a2, white pawn at b2, white pawn at c2, white pawn at d2, white king at e2, white pawn at f2, white pawn at g2 and black knight at h2. White rook at a1, white bishop at c1, white queen at d1 and white rook at f1. Black queenside is the only castle move available. Half move number is 5. Full move number is 16. Black to move.