4kb1r/p1r1pnpp/nP2q3/5b2/R1p1PP1P/2P5/1P2K1P1/1NB3NR b - - 0 20
FEN state: 4kb1r/p1r1pnpp/nP2q3/5b2/R1p1PP1P/2P5/1P2K1P1/1NB3NR b - - 0 20 ; Best move: f5g4
The current state of the chess board is: Black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black rook at c7, black pawn at e7, black knight at f7, black pawn at g7 and black pawn at h7. Black knight at a6, white pawn at b6 and black queen at e6. Black bishop at f5. White rook at a4, black pawn at c4, white pawn at e4, white pawn at f4 and white pawn at h4. White pawn at c3. White pawn at b2, white king at e2 and white pawn at g2. White knight at b1, white bishop at c1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. Black to move.