Thybo has played two times for Denmark at the World Youth U16 Chess Olympiads (2012 and 2014);[2] it was in 2014 that Thybo became a FIDE Master (FM). In 2016, he won the Nordic Youth Chess Championship.[3]
2017 proved to be a very productive year for Thybo. He had repeatedly represented Denmark at the European Youth Chess Championship and World Youth Chess Championships in different age groups, culminating in the acquisition of a gold medal in 2017 in the European Youth Chess Championship in the U18 age group.[4] In the same year, in Jūrmala, Thybo won a tournament with an International Master norm.[5][6] Additionally, he won third place in the Danish Chess Championship.[7] Again in 2017, Thybo played for Denmark in the European Team Chess Championship;[8] furthermore, at the second board of the 21st European Team Chess Championship in Crete, he scored +1, =6, -1. It was also in 2017 that Thybo was awarded the FIDE International Master (IM) title.[9]
In 2019, Thybo won the Aarhus Chess House GM tournament with 7/9 points.[10]
From February to July 2020, Thybo was ranked as the 2nd-best chess player in Denmark.[11] As of July 2022, he is the 6th-highest-ranked active Danish player, including a peak rating of 2604 that was achieved in November 2021.[12][13]
