r1bqk2r/p1pp2pp/5p2/npb1p3/4P1nP/PPP4N/3PKPP1/RNBQ1B1R w kq - 1 9
FEN state: r1bqk2r/p1pp2pp/5p2/npb1p3/4P1nP/PPP4N/3PKPP1/RNBQ1B1R w kq - 1 9 ; Best move: b3b4
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at d7, black pawn at g7 and black pawn at h7. Black pawn at f6. Black knight at a5, black pawn at b5, black bishop at c5 and black pawn at e5. White pawn at e4, black knight at g4 and white pawn at h4. White pawn at a3, white pawn at b3, white pawn at c3 and white knight at h3. White pawn at d2, white king at e2, white pawn at f2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1, white bishop at f1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 1. Full move number is 9. White to move.