r2k2nr/p1p1bp2/2bpp2p/5pN1/PP6/R2QPP2/5KP1/1NB2B2 b - - 0 21
FEN state: r2k2nr/p1p1bp2/2bpp2p/5pN1/PP6/R2QPP2/5KP1/1NB2B2 b - - 0 21 ; Best move: h6g5
The current state of the chess board is: Black rook at a8, black king at d8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at c7, black bishop at e7 and black pawn at f7. Black bishop at c6, black pawn at d6, black pawn at e6 and black pawn at h6. Black pawn at f5 and white knight at g5. White pawn at a4 and white pawn at b4. White rook at a3, white queen at d3, white pawn at e3 and white pawn at f3. White king at f2 and white pawn at g2. White knight at b1, white bishop at c1 and white bishop at f1. Both players have exhausted their castles. Half move number is 0. Full move number is 21. Black to move.