r2qkb1r/pp1bp2p/n2p2p1/P5N1/Q1p1pPn1/2PP4/1P1N3P/R1BK1R2 b kq - 1 16
FEN state: r2qkb1r/pp1bp2p/n2p2p1/P5N1/Q1p1pPn1/2PP4/1P1N3P/R1BK1R2 b kq - 1 16 ; Best move: d7a4
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black bishop at d7, black pawn at e7 and black pawn at h7. Black knight at a6, black pawn at d6 and black pawn at g6. White pawn at a5 and white knight at g5. White queen at a4, black pawn at c4, black pawn at e4, white pawn at f4 and black knight at g4. White pawn at c3 and white pawn at d3. White pawn at b2, white knight at d2 and white pawn at h2. White rook at a1, white bishop at c1, white king at d1 and white rook at f1. Black kingside and black queenside castles are available. Half move number is 1. Full move number is 16. Black to move.