2bq1k1r/1pp2pb1/5n1p/3ppP1n/1r3p2/PP5B/2PPP2P/1RBQ1KR1 w - - 8 20
FEN state: 2bq1k1r/1pp2pb1/5n1p/3ppP1n/1r3p2/PP5B/2PPP2P/1RBQ1KR1 w - - 8 20 ; Best move: a3b4
The current state of the chess board is: Black bishop at c8, black queen at d8, black king at f8 and black rook at h8. Black pawn at b7, black pawn at c7, black pawn at f7 and black bishop at g7. Black knight at f6 and black pawn at h6. Black pawn at d5, black pawn at e5, white pawn at f5 and black knight at h5. Black rook at b4 and black pawn at f4. White pawn at a3, white pawn at b3 and white bishop at h3. White pawn at c2, white pawn at d2, white pawn at e2 and white pawn at h2. White rook at b1, white bishop at c1, white queen at d1, white king at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 8. Full move number is 20. White to move.