132lbs to 123lbs. That's 9lbs difference. (Don't work in kg sorry.) When you reduce calories drasticly, you probably lose weight at first, but...
Okay... I will put the effort in and try to help you. Post to follow shortly.
I tried the link to the thread, but it started at the first post - so not sure what specific routine you followed. From what I understood...
I was going to respond with a lengthy post, but you missed a thread that saves me the time; Nutrition for boxing You should read that for...