5b2/pbq1rp1r/3kpn1p/1pp3P1/4pp2/N2B3P/PRPP1K1N/2B1Q2R w - - 1 20
FEN state: 5b2/pbq1rp1r/3kpn1p/1pp3P1/4pp2/N2B3P/PRPP1K1N/2B1Q2R w - - 1 20 ; Best move: a3b5
The current state of the chess board is: Black bishop at f8. Black pawn at a7, black bishop at b7, black queen at c7, black rook at e7, black pawn at f7 and black rook at h7. Black king at d6, black pawn at e6, black knight at f6 and black pawn at h6. Black pawn at b5, black pawn at c5 and white pawn at g5. Black pawn at e4 and black pawn at f4. White knight at a3, white bishop at d3 and white pawn at h3. White pawn at a2, white rook at b2, white pawn at c2, white pawn at d2, white king at f2 and white knight at h2. 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. White to move.