r1bq1kn1/2pp1N2/p6r/PNb1p2p/P2PB1PP/5p2/2P1PP1K/2RQ1R2 b - - 3 21
FEN state: r1bq1kn1/2pp1N2/p6r/PNb1p2p/P2PB1PP/5p2/2P1PP1K/2RQ1R2 b - - 3 21 ; Best move: d8h4
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at f8 and black knight at g8. Black pawn at c7, black pawn at d7 and white knight at f7. Black pawn at a6 and black rook at h6. White pawn at a5, white knight at b5, black bishop at c5, black pawn at e5 and black pawn at h5. White pawn at a4, white pawn at d4, white bishop at e4, white pawn at g4 and white pawn at h4. Black pawn at f3. White pawn at c2, white pawn at e2, white pawn at f2 and white king at h2. White rook at c1, white queen at d1 and white rook at f1. Both players have exhausted their castles. Half move number is 3. Full move number is 21. Black to move.