r1b1k1nr/p4pp1/8/np1pP2p/P2PqQ2/1PpB2P1/2PB3P/RN1K2NR b kq - 2 20
FEN state: r1b1k1nr/p4pp1/8/np1pP2p/P2PqQ2/1PpB2P1/2PB3P/RN1K2NR b kq - 2 20 ; Best move: c8g4
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at f7 and black pawn at g7. Black knight at a5, black pawn at b5, black pawn at d5, white pawn at e5 and black pawn at h5. White pawn at a4, white pawn at d4, black queen at e4 and white queen at f4. White pawn at b3, black pawn at c3, white bishop at d3 and white pawn at g3. White pawn at c2, white bishop at d2 and white pawn at h2. White rook at a1, white knight at b1, white king at d1, white knight at g1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 2. Full move number is 20. Black to move.