1rb2qnr/pnppk2p/1p6/5ppB/1PP1p3/2K1P2P/R2PNPP1/1NB1Q2R b - - 1 20
FEN state: 1rb2qnr/pnppk2p/1p6/5ppB/1PP1p3/2K1P2P/R2PNPP1/1NB1Q2R b - - 1 20 ; Best move: g8f6
The current state of the chess board is: Black rook at b8, black bishop at c8, black queen at f8, black knight at g8 and black rook at h8. Black pawn at a7, black knight at b7, black pawn at c7, black pawn at d7, black king at e7 and black pawn at h7. Black pawn at b6. Black pawn at f5, black pawn at g5 and white bishop at h5. White pawn at b4, white pawn at c4 and black pawn at e4. White king at c3, white pawn at e3 and white pawn at h3. White rook at a2, white pawn at d2, white knight at e2, white pawn at f2 and white pawn at g2. White knight at b1, white bishop at c1, white queen at e1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 20. Black to move.