The phrase "a thing whatsoever" is correct and usable in written English.
It is typically used to emphasize that there are no exceptions or limitations to what is being referred to.
Example: "I don't want to hear about a thing whatsoever related to that topic."
Alternatives: "anything at all" or "any matter whatsoever".
But, if the game does shift a few months, I don't see that as a bad thing whatsoever.
This early Christian faith went hand in hand with the belief that all things whatsoever will be transfigured into the Kingdom of God.
"Therefore all things whatsoever ye would that men should do to you, do ye even so to them: this is the law and the prophets".
In Matthew 28 19-20, Jesus instructed his disciples, "Go ye therefore, and teach all nations, baptizing them in the name of the Father, and of the Son, and of the Holy Ghost: Teaching them to observe all things whatsoever I have commanded you: and, lo, I am with you always, even unto the end of the world.
Matthew 7 12, " Therefore all things whatsoever ye would that men should do to you, do ye even so to them: for this is the law and the prophets.
In this strictest of senses, no corruptible thing whatsoever persists through mereological change.
In all this landscape, in all this space, I was the only human being and quite possibly the only living thing whatsoever.
Without an account of this, Næss's early "biospheric egalitarianism"—that all living things whatsoever had a similar right to live and flourish was an indeterminate principle in practical terms.
But Malevich's work was anything but mimetic, never referencing the current order of things whatsoever.
The thought seems to be that instantiating any property whatsoever presupposes existence and so existence is not a further property over and above a thing's genuine properties.
If you have trouble thinking of things to go on your list, try using this helpful verse: "Finally, brethren, whatsoever things are true, whatsoever things are honest, whatsoever things are just, whatsoever things are pure, whatsoever things are lovely, whatsoever things are of good report; if there be any virtue, and if there be any praise, think on these things".
