FIDE Master (2010); International Master (2014).
Bersamina won his FIDE master title when he won the 11th ASEAN+ Age Group Chess Championship for the U12 division in Olongapo City in June 2010. He gained his International Master title in 2014 when he won the ASEAN Junior Championship in June 2014.
In 2010, at the age of 12 years 3months 23 days, he became the youngest player ever to win the National Junior Championship. He went on to win the 2nd Singapore International Youth Championships 2011 - Open U14 with 8/9. The Philippines team came 2nd overall (behind hosts Vietnam) in the 13th ASEAN+ Age Group Championships held in June 2012 in Hue City in Vietnam, with Bersamina winning 2 gold medals, 3 silver medals and a bronze medal in the U14 Team and Individual events.
Bersamina started 2013 strongly: playing in the 1st Chairman's Cup International Chess Championship in Manila, he scored 5.5/9 and a few days later competed at the Zonal 3.3 Open where he scored 4/9. These two events netted him 60 ratings points. His strong 4.5/9 result at the Manny Pacquiao Cup Continental Championship earned him another 26 rating points. A substandard performance at the 14th ASEAN+ U16 Championship was made up by a strong showing at the Asian U16 Championship where he placed =1st.
After a quiet start in the first half of 2014, he won the ASEAN Junior Championship held in Macau in June, scoring 7/9, a full point ahead of the field, netting his IM title in so doing. Just as impressive was shared 3rd at the 2014 National Championship in the Philippines, with 6.5/11, a point behind co-leaders Eugenio Torre and John Paul Gomez, a result that added over 30 ratings points to his card. He played board 4 for the Philippines at the Tromso Olympiad (2014), scoring 5/9 and won the most rating points in the team. He competed in the World Junior Championship 2014, scoring 7.5/13.
In March 2015 he scored a strong 5.5/9 in the 5th HDBank International Open tournament that was staged in Ho Chi Minh City in Vietnam, his result including an even score against his five GM opponents. The following month in April, he scored a reasonably strong result with 6/9 in the annual Bangkok Chess Club Open.
Bersamina's highest rating to date was 2462 in 2020/2021.
Kibitzing
