r2k2nB/pbn1p1br/8/1Pp3pp/Qq2Pp2/5P1N/P4KPP/R2N1B1R w - - 2 20
FEN state: r2k2nB/pbn1p1br/8/1Pp3pp/Qq2Pp2/5P1N/P4KPP/R2N1B1R w - - 2 20 ; Best move: a4b4
The current state of the chess board is: Black rook at a8, black king at d8, black knight at g8 and white bishop at h8. Black pawn at a7, black bishop at b7, black knight at c7, black pawn at e7, black bishop at g7 and black rook at h7. White pawn at b5, black pawn at c5, black pawn at g5 and black pawn at h5. White queen at a4, black queen at b4, white pawn at e4 and black pawn at f4. White pawn at f3 and white knight at h3. White pawn at a2, white king at f2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at d1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 20. White to move.