r1b2b2/N1pp2rp/np4k1/3np1p1/1q2PpP1/B2P1P1P/P1P3B1/1R2QKNR b - - 1 16
FEN state: r1b2b2/N1pp2rp/np4k1/3np1p1/1q2PpP1/B2P1P1P/P1P3B1/1R2QKNR b - - 1 16 ; Best move: d5e3
The current state of the chess board is: Black rook at a8, black bishop at c8 and black bishop at f8. White knight at a7, black pawn at c7, black pawn at d7, black rook at g7 and black pawn at h7. Black knight at a6, black pawn at b6 and black king at g6. Black knight at d5, black pawn at e5 and black pawn at g5. Black queen at b4, white pawn at e4, black pawn at f4 and white pawn at g4. White bishop at a3, white pawn at d3, white pawn at f3 and white pawn at h3. White pawn at a2, white pawn at c2 and white bishop at g2. White rook at b1, white queen at e1, white king at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 16. Black to move.