1rb1kbn1/1p1qp3/1p1r1p2/1B5p/PnP3p1/RP2PPP1/3P3P/3K2NR b - - 0 21
FEN state: 1rb1kbn1/1p1qp3/1p1r1p2/1B5p/PnP3p1/RP2PPP1/3P3P/3K2NR b - - 0 21 ; Best move: d6d2
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at b7, black queen at d7 and black pawn at e7. Black pawn at b6, black rook at d6 and black pawn at f6. White bishop at b5 and black pawn at h5. White pawn at a4, black knight at b4, white pawn at c4 and black pawn at g4. White rook at a3, white pawn at b3, white pawn at e3, white pawn at f3 and white pawn at g3. White pawn at d2 and white pawn at h2. White king at d1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 21. Black to move.