Using a Continental award were allowed one stopover in addition to destination. So Im thinking into Phuket, open jaw out of Singapore so would need separate travel from Phuket/Ko Samui to Singapore. Then wed do Singapore Hong Kong <stopover> - Home. While in Hong Kong, you could visit Macau (ferry from the Hong Kong airport pre-immigration, and could do separate Macau Beijing Macau ticket.
7/7 New York JFK Zurich, 8:55pm 10:50am+1, Swiss First Class LX15
7/8 Zurich, Bangkok, 1:30pm 5:30am+1, Thai Airways First Class TG971
7/9 Bangkok Phuket, 7:35am- 9:00am, Thai Airways Business Class TG201
7/19 Singapore Hong Kong, 6:40am-10:30am, United Airlines First Class UA896
7/31 Hong Kong Istanbul, 11:05pm 5:25am+1, Turkish First Class TK71
8/1 Istanbul Frankfurt, 8:25am-10:35am, Turkish Business Class TK1587
8/1 Frankfurt Newark, 1:15pm 3:40pm, Lufthansa First Class LH402
Thoughts anyone?