Originally Posted by phol

Why don't you fly to Hong Kong directly from Amsterdam, and then fly from HKG to CDG on the way back? AMS-HKG-CDG would be do-able.

You will receive the same Tier Points on CX as you would on BA, and only slightly less Avios (your cabin/status bonus). Personally, I think you'd be mad to fly BA if CX is an option.