r1bqkbn1/2p4r/1p2pp2/1n4Qp/2P1p1pP/Pp1P2P1/3BBP1R/RN2K1N1 b q - 1 17
FEN state: r1bqkbn1/2p4r/1p2pp2/1n4Qp/2P1p1pP/Pp1P2P1/3BBP1R/RN2K1N1 b q - 1 17 ; Best move: f6g5
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at c7 and black rook at h7. Black pawn at b6, black pawn at e6 and black pawn at f6. Black knight at b5, white queen at g5 and black pawn at h5. White pawn at c4, black pawn at e4, black pawn at g4 and white pawn at h4. White pawn at a3, black pawn at b3, white pawn at d3 and white pawn at g3. White bishop at d2, white bishop at e2, white pawn at f2 and white rook at h2. White rook at a1, white knight at b1, white king at e1 and white knight at g1. Black queenside is the only castle move available. Half move number is 1. Full move number is 17. Black to move.