2bqkbn1/p2pp2r/5N1p/2pn1Pp1/p1Pr1P2/P5P1/NP3K1P/R4BR1 b - - 2 21
FEN state: 2bqkbn1/p2pp2r/5N1p/2pn1Pp1/p1Pr1P2/P5P1/NP3K1P/R4BR1 b - - 2 21 ; Best move: d5f6
The current state of the chess board is: Black bishop at c8, black queen at d8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at a7, black pawn at d7, black pawn at e7 and black rook at h7. White knight at f6 and black pawn at h6. Black pawn at c5, black knight at d5, white pawn at f5 and black pawn at g5. Black pawn at a4, white pawn at c4, black rook at d4 and white pawn at f4. White pawn at a3 and white pawn at g3. White knight at a2, white pawn at b2, white king at f2 and white pawn at h2. White rook at a1, white bishop at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 2. Full move number is 21. Black to move.