r3kbr1/1p2ppp1/1n1B4/p1p4P/2nPP3/3B1Pqb/PP5P/1RQK2NR b q - 1 20
FEN state: r3kbr1/1p2ppp1/1n1B4/p1p4P/2nPP3/3B1Pqb/PP5P/1RQK2NR b q - 1 20 ; Best move: g3f2
The current state of the chess board is: Black rook at a8, black king at e8, black bishop at f8 and black rook at g8. Black pawn at b7, black pawn at e7, black pawn at f7 and black pawn at g7. Black knight at b6 and white bishop at d6. Black pawn at a5, black pawn at c5 and white pawn at h5. Black knight at c4, white pawn at d4 and white pawn at e4. White bishop at d3, white pawn at f3, black queen at g3 and black bishop at h3. White pawn at a2, white pawn at b2 and white pawn at h2. White rook at b1, white queen at c1, white king at d1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 1. Full move number is 20. Black to move.