r1bqkb2/2p3r1/p1nppp2/1p4pp/2P1P2P/N2N3R/PPnP1PP1/RQB2K2 b - - 1 20
FEN state: r1bqkb2/2p3r1/p1nppp2/1p4pp/2P1P2P/N2N3R/PPnP1PP1/RQB2K2 b - - 1 20 ; Best move: c2a3
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8 and black bishop at f8. Black pawn at c7 and black rook at g7. Black pawn at a6, black knight at c6, black pawn at d6, black pawn at e6 and black pawn at f6. Black pawn at b5, black pawn at g5 and black pawn at h5. White pawn at c4, white pawn at e4 and white pawn at h4. White knight at a3, white knight at d3 and white rook at h3. White pawn at a2, white pawn at b2, black knight at c2, white pawn at d2, white pawn at f2 and white pawn at g2. White rook at a1, white queen at b1, white bishop at c1 and white king at f1. Both players have exhausted their castles. Half move number is 1. Full move number is 20. Black to move.