1r2q1n1/pppnpp2/1k5P/3B3p/P2p3P/1PP2Q2/3P2Pb/RNB1K3 w - - 1 18
FEN state: 1r2q1n1/pppnpp2/1k5P/3B3p/P2p3P/1PP2Q2/3P2Pb/RNB1K3 w - - 1 18 ; Best move: a4a5
The current state of the chess board is: Black rook at b8, black queen at e8 and black knight at g8. Black pawn at a7, black pawn at b7, black pawn at c7, black knight at d7, black pawn at e7 and black pawn at f7. Black king at b6 and white pawn at h6. White bishop at d5 and black pawn at h5. White pawn at a4, black pawn at d4 and white pawn at h4. White pawn at b3, white pawn at c3 and white queen at f3. White pawn at d2, white pawn at g2 and black bishop at h2. White rook at a1, white knight at b1, white bishop at c1 and white king at e1. Both players have exhausted their castles. Half move number is 1. Full move number is 18. White to move.