rnbqkbn1/pp1pp3/1r6/1P4pp/2p1PpP1/P2P1B2/2PNKP1P/RN1Q3R b q - 1 13
FEN state: rnbqkbn1/pp1pp3/1r6/1P4pp/2p1PpP1/P2P1B2/2PNKP1P/RN1Q3R b q - 1 13 ; Best move: f8g7
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at a7, black pawn at b7, black pawn at d7 and black pawn at e7. Black rook at b6. White pawn at b5, black pawn at g5 and black pawn at h5. Black pawn at c4, white pawn at e4, black pawn at f4 and white pawn at g4. White pawn at a3, white pawn at d3 and white bishop at f3. White pawn at c2, white knight at d2, white king at e2, white pawn at f2 and white pawn at h2. White rook at a1, white knight at b1, white queen at d1 and white rook at h1. Black queenside is the only castle move available. Half move number is 1. Full move number is 13. Black to move.