Valid as a 3-check adoption, not as a chess adoption. Fine to consider an adoption but 3-check must be specified imo
Valid Adoption?

Valid as a 3-check adoption, not as a chess adoption. Fine to consider an adoption but 3-check must be specified imo
yes
Valid as a 3-check adoption, not as a chess adoption. Fine to consider an adoption but 3-check must be specified imo
yes

I'd say you adopted them in 3 check. Not standard. So it counts as an adoption but only for the variant.

For all those wondering, if the "adoption" option is voted for, then I will certainly specify in my adoption log that the format was 3 Check.
anyways roger go pipi in his pampers while advaith adopting much stronger players than him