there is a lot of misinformation about what is on the passport chip that can be read.
former names and previous genders are not shown when the chip is scanned.
border crossing with mynamar are the best bet
the UK’s biometric passports contain a microchip with a ‘facial biometric’. This is a digitised image of the holders photograph. Various features on the face, for example the distance between eyes, nose, mouth and ears, are digitally coded from the photograph and the information stored on the electronic chip.
The chip also stores electronically, the biographical information which is printed in the passport. It does not contain any information which is not also on the face of the passport. The information printed on the passport can be checked against the information on the chip, which is intended to be harder to forge