r4bnr/3k1pq1/N1np4/2pPpP1p/2pP4/2P3PQ/PP5P/R1B1K1NR w KQ - 0 21
FEN state: r4bnr/3k1pq1/N1np4/2pPpP1p/2pP4/2P3PQ/PP5P/R1B1K1NR w KQ - 0 21 ; Best move: d5c6
The current state of the chess board is: Black rook at a8, black bishop at f8, black knight at g8 and black rook at h8. Black king at d7, black pawn at f7 and black queen at g7. White knight at a6, black knight at c6 and black pawn at d6. Black pawn at c5, white pawn at d5, black pawn at e5, white pawn at f5 and black pawn at h5. Black pawn at c4 and white pawn at d4. White pawn at c3, white pawn at g3 and white queen at h3. White pawn at a2, white pawn at b2 and white pawn at h2. White rook at a1, white bishop at c1, white king at e1, white knight at g1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 0. Full move number is 21. White to move.