r1b1k1r1/1p1p1B2/nNn3p1/p3Pq1p/1P2P2P/2P3P1/P2PKb2/1RBQ2NR b q - 0 17
FEN state: r1b1k1r1/1p1p1B2/nNn3p1/p3Pq1p/1P2P2P/2P3P1/P2PKb2/1RBQ2NR b q - 0 17 ; Best move: f5f7
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8 and black rook at g8. Black pawn at b7, black pawn at d7 and white bishop at f7. Black knight at a6, white knight at b6, black knight at c6 and black pawn at g6. Black pawn at a5, white pawn at e5, black queen at f5 and black pawn at h5. White pawn at b4, white pawn at e4 and white pawn at h4. White pawn at c3 and white pawn at g3. White pawn at a2, white pawn at d2, white king at e2 and black bishop at f2. White rook at b1, white bishop at c1, white queen at d1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 0. Full move number is 17. Black to move.