rnb1kr2/p4q2/6Pp/Pp2pp2/1P2p3/3P3P/RP2P2R/1NB1KBN1 b q - 3 21
FEN state: rnb1kr2/p4q2/6Pp/Pp2pp2/1P2p3/3P3P/RP2P2R/1NB1KBN1 b q - 3 21 ; Best move: f7a2
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8 and black rook at f8. Black pawn at a7 and black queen at f7. White pawn at g6 and black pawn at h6. White pawn at a5, black pawn at b5, black pawn at e5 and black pawn at f5. White pawn at b4 and black pawn at e4. White pawn at d3 and white pawn at h3. White rook at a2, white pawn at b2, white pawn at e2 and white rook at h2. White knight at b1, white bishop at c1, white king at e1, white bishop at f1 and white knight at g1. Black queenside is the only castle move available. Half move number is 3. Full move number is 21. Black to move.