rnq5/pp2kn1r/6p1/3p1p1P/2NP4/1PP1P2B/5P1P/R2QK1NR b K - 0 21
FEN state: rnq5/pp2kn1r/6p1/3p1p1P/2NP4/1PP1P2B/5P1P/R2QK1NR b K - 0 21 ; Best move: d5c4
The current state of the chess board is: Black rook at a8, black knight at b8 and black queen at c8. Black pawn at a7, black pawn at b7, black king at e7, black knight at f7 and black rook at h7. Black pawn at g6. Black pawn at d5, black pawn at f5 and white pawn at h5. White knight at c4 and white pawn at d4. White pawn at b3, white pawn at c3, white pawn at e3 and white bishop at h3. White pawn at f2 and white pawn at h2. White rook at a1, white queen at d1, white king at e1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 21. Black to move.