GMThai Dai Van Nguyen

Thai Dai Van Nguyen was born in Prague in 2001 to a family with Vietnamese roots. He won the Czech under-10 championship in 2011, followed by consecutive under-12 titles in 2012 and 2013. He became an international master in 2016. In 2017, he won two First Saturday tournaments in Budapest. The following year, at sixteen, he became the Czech Republic's youngest grandmaster at the time.

Nguyen won the European under-18 championship in Bratislava in 2019. He competed in the 2021 World Cup, eliminating Ádám Kozák before losing to Andrey Esipenko. His 2025 Tata Steel Challengers victory brought promotion to the elite Masters section. He shared first in the classical event with Aydin Suleymanli and won their rapid playoff. He made his Tata Steel Masters debut in 2026.