r3k2N/3nqpb1/p2Bp3/2p4p/4B3/2pP2P1/PP1QPP1P/RN2K3 b Q - 0 21
FEN state: r3k2N/3nqpb1/p2Bp3/2p4p/4B3/2pP2P1/PP1QPP1P/RN2K3 b Q - 0 21 ; Best move: c3d2
The current state of the chess board is: Black rook at a8, black king at e8 and white knight at h8. Black knight at d7, black queen at e7, black pawn at f7 and black bishop at g7. Black pawn at a6, white bishop at d6 and black pawn at e6. Black pawn at c5 and black pawn at h5. White bishop at e4. Black pawn at c3, white pawn at d3 and white pawn at g3. White pawn at a2, white pawn at b2, white queen at d2, white pawn at e2, white pawn at f2 and white pawn at h2. White rook at a1, white knight at b1 and white king at e1. White queenside is the only castle move available. Half move number is 0. Full move number is 21. Black to move.