1nb1kbnr/1pq1p1p1/4r2p/p1pp1p2/P3P3/1PP2P2/Q2P2PP/RNB1KBNR w KQk - 1 9
FEN state: 1nb1kbnr/1pq1p1p1/4r2p/p1pp1p2/P3P3/1PP2P2/Q2P2PP/RNB1KBNR w KQk - 1 9 ; Best move: f1b5
The current state of the chess board is: Black knight at b8, black bishop at c8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at b7, black queen at c7, black pawn at e7 and black pawn at g7. Black rook at e6 and black pawn at h6. Black pawn at a5, black pawn at c5, black pawn at d5 and black pawn at f5. White pawn at a4 and white pawn at e4. White pawn at b3, white pawn at c3 and white pawn at f3. White queen at a2, white pawn at d2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside, white queenside and black kingside castles are available. Half move number is 1. Full move number is 9. White to move.