2b2Q1r/rpkn3p/2pp1n2/p3p1p1/4P3/PP3P1P/2PBB1P1/R3K2R b Q - 0 21
FEN state: 2b2Q1r/rpkn3p/2pp1n2/p3p1p1/4P3/PP3P1P/2PBB1P1/R3K2R b Q - 0 21 ; Best move: d7f8
The current state of the chess board is: Black bishop at c8, white queen at f8 and black rook at h8. Black rook at a7, black pawn at b7, black king at c7, black knight at d7 and black pawn at h7. Black pawn at c6, black pawn at d6 and black knight at f6. Black pawn at a5, black pawn at e5 and black pawn at g5. White pawn at e4. White pawn at a3, white pawn at b3, white pawn at f3 and white pawn at h3. White pawn at c2, white bishop at d2, white bishop at e2 and white pawn at g2. White rook at a1, white king at e1 and white rook at h1. White queenside is the only castle move available. Half move number is 0. Full move number is 21. Black to move.