Definitions for "Unclear"
An uncertain situation. Some players never use this assessment, insisting that every position is either equal or favorable for one side or the other. It has even been said that “unclear” is a lazy way to avoid figuring out what’s really going on in a position.
An uncertain situation in which is it not apparent whether either side has an advantage.
not easily deciphered; "indecipherable handwriting"
contains a word, phrase, or passage which cannot be transcribed with certainty because it is illegible or inaudible in the source.
poorly stated or described; "he confuses the reader with ill-defined terms and concepts"
Keywords:  mind, clear, reason, actions, law
not clear to the mind; "the law itself was unclear on that point"; "the reason for their actions is unclear to this day"