5b1r/1b1kqnp1/rp1p3p/2pQnp2/p1P2PP1/N7/PPK1P2P/R1B2BR1 b - - 0 21
FEN state: 5b1r/1b1kqnp1/rp1p3p/2pQnp2/p1P2PP1/N7/PPK1P2P/R1B2BR1 b - - 0 21 ; Best move: b7d5
The current state of the chess board is: Black bishop at f8 and black rook at h8. Black bishop at b7, black king at d7, black queen at e7, black knight at f7 and black pawn at g7. Black rook at a6, black pawn at b6, black pawn at d6 and black pawn at h6. Black pawn at c5, white queen at d5, black knight at e5 and black pawn at f5. Black pawn at a4, white pawn at c4, white pawn at f4 and white pawn at g4. White knight at a3. White pawn at a2, white pawn at b2, white king at c2, white pawn at e2 and white pawn at h2. White rook at a1, white bishop at c1, white bishop at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 21. Black to move.