r1b2bnr/pp2p3/2ppnBp1/3k4/5P1P/N2P2P1/PqP1P2R/R1Q1KBN1 b Q - 2 22
FEN state: r1b2bnr/pp2p3/2ppnBp1/3k4/5P1P/N2P2P1/PqP1P2R/R1Q1KBN1 b Q - 2 22 ; Best move: b2c1
The current state of the chess board is: Black rook at a8, black bishop at c8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7 and black pawn at e7. Black pawn at c6, black pawn at d6, black knight at e6, white bishop at f6 and black pawn at g6. Black king at d5. White pawn at f4 and white pawn at h4. White knight at a3, white pawn at d3 and white pawn at g3. White pawn at a2, black queen at b2, white pawn at c2, white pawn at e2 and white rook at h2. White rook at a1, white queen at c1, white king at e1, white bishop at f1 and white knight at g1. White queenside is the only castle move available. Half move number is 2. Full move number is 22. Black to move.