Charles Campbell
Louisiana, Nigeria
Tham gia 15 thg 1, 2009
CM Candidate Master (FIDE, USCF) NM National Master (USCF)
FIDE
2192
Matthew Guo Diao
Webster, Massachusetts, Quần đảo Cayman
Tham gia 25 thg 4, 2016
55 in puzzle battle https://www.chess.com/puzzles/battle/2EEk2w8Dc
FIDE
100