r1b1kb2/p2qp2r/n1p1P1pp/2p2p1n/5PQP/BPP5/P2P2P1/R2K2NR b - - 1 20
FEN state: r1b1kb2/p2qp2r/n1p1P1pp/2p2p1n/5PQP/BPP5/P2P2P1/R2K2NR b - - 1 20 ; Best move: f5g4
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8 and black bishop at f8. Black pawn at a7, black queen at d7, black pawn at e7 and black rook at h7. Black knight at a6, black pawn at c6, white pawn at e6, black pawn at g6 and black pawn at h6. Black pawn at c5, black pawn at f5 and black knight at h5. White pawn at f4, white queen at g4 and white pawn at h4. White bishop at a3, white pawn at b3 and white pawn at c3. White pawn at a2, white pawn at d2 and white pawn at g2. White rook at a1, white king at d1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 20. Black to move.