The phrase "achieved against a" is correct and usable in written English.
It can be used in contexts where you are discussing accomplishments or results that were obtained in relation to a specific standard, goal, or benchmark.
Example: "The project was deemed successful as it achieved against a set of rigorous performance metrics."
Alternatives: "attained in relation to" or "realized in comparison to".
Even more creditably this has been achieved against a backdrop of Scunthorpe playing good passing football.
This success was achieved against a backdrop of escalating management concerns and legal problems.
All this was achieved against a background of a global economic crisis, confrontation with Stalin's Russia and a renewed outbreak of war in Korea.
That figure was short of the target of US$160bn, but it was achieved against a backdrop of several difficulties for exporters.
He also paid little notice to the fact the win was achieved against a de-mob happy outfit in a dead match.
Not the least remarkable aspect of Italy's success is that it was achieved against a background of spectacular footballing strife back home.
Preconditioning describes the tolerance achieved against an intensively toxic insult by subjecting cells or tissue to a sublethal stress (Stetler et al., 2014).
However this strategy comes with its own challenges: it is not certain what degree of vaccine efficacy that can be achieved against an unknown future influenza strain, it may be difficult to achieve high levels of vaccination coverage, the pre-pandemic would need to be periodically renewed and re-administered.
But only one conviction for selling honours has ever been achieved, against Maundy Gregory, a careless and seedy bagman for the Tory and Liberal parties.
By the time Boyd connected with a Jereon Tesselaar cross, United were already well on their way to matching the 5-2 margin of victory achieved against Kilmarnock a fortnight earlier in the Scottish Cup.
Ekati is the embodiment of a dream achieved against heavy odds by a 48-year-old British Columbian geologist, Charles Fipke.
