1nb2bnr/q1rk1p2/B4pP1/N1pP3p/N7/Pp5P/RPPP2P1/2B1K1R1 b - - 0 20
FEN state: 1nb2bnr/q1rk1p2/B4pP1/N1pP3p/N7/Pp5P/RPPP2P1/2B1K1R1 b - - 0 20 ; Best move: b3a2
The current state of the chess board is: Black knight at b8, black bishop at c8, black bishop at f8, black knight at g8 and black rook at h8. Black queen at a7, black rook at c7, black king at d7 and black pawn at f7. White bishop at a6, black pawn at f6 and white pawn at g6. White knight at a5, black pawn at c5, white pawn at d5 and black pawn at h5. White knight at a4. White pawn at a3, black pawn at b3 and white pawn at h3. White rook at a2, white pawn at b2, white pawn at c2, white pawn at d2 and white pawn at g2. White bishop at c1, white king at e1 and white rook at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. Black to move.