Guannan Song is a FIDE Master (with one International Master norm) from Canada. He has won the Canadian Youth Chess Championships and has scored bronze at the North American Junior Chess Championships. He has also played for Team Canada on the international stage at the World Youth Chess Championships and the World Youth U16 Chess Olympiad. Guannan is a chess teacher with over seven years of experience and represents Western University on board one of its Championship team. Dachey Lin is a FIDE Master from the United States, having attained the title in 2016. He is a seven-time All American Team member and participated in three World Youth Chess Championship events, tying for ninth place in 2009. Though he is not as active as the other authors, he enjoys following and helping other chess players and watching them develop and succeed. Edward Song is an International Master from the United States. He won the 2014 US Cadet Championship, the 2017 Supernationals (tie) and the 2017 Denker Tournament of High School Champions (tie). He is also a four-time All American Team member and played two World Youth Chess Championships, achieving top ten both times. He is looking forward to making further progress towards the grandmaster title.