r1b1kb1r/pq1ppp2/n1p3pp/1p3N1n/3P1P1P/5KPN/PPP1P1B1/R1B1Q2R b q - 12 16
FEN state: r1b1kb1r/pq1ppp2/n1p3pp/1p3N1n/3P1P1P/5KPN/PPP1P1B1/R1B1Q2R b q - 12 16 ; Best move: g6f5
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black queen at b7, black pawn at d7, black pawn at e7 and black pawn at f7. Black knight at a6, black pawn at c6, black pawn at g6 and black pawn at h6. Black pawn at b5, white knight at f5 and black knight at h5. White pawn at d4, white pawn at f4 and white pawn at h4. White king at f3, white pawn at g3 and white knight at h3. White pawn at a2, white pawn at b2, white pawn at c2, white pawn at e2 and white bishop at g2. White rook at a1, white bishop at c1, white queen at e1 and white rook at h1. Black queenside is the only castle move available. Half move number is 12. Full move number is 16. Black to move.