Vaishali and Praggnanandhaa, first brother-sister duo to become

Grandmaster is the highest title or ranking that a chess player can achieve. The term is about a century old, and was initially used as a generic expression to describe a player who was better than just a master.

The world's first brother and sister chess grandmasters : r/unitedstatesofindia

The path to GM: Vaishali's steady ascent

Chess: Grandmasters Vaishali and brother Praggnanandhaa create history

Sibling rivalry at home? R Vaishali opens up about the impact of brother Praggnanandhaa's success - India Today

brother-sister Grandmaster duo: Sibling supremacy! R Praggnanandhaa & Vaishali Rameshbabu make chess history as first brother-sister Grandmaster duo, netizens hail it as 'remarkable achievement' - The Economic Times

First Brother-Sister Grandmaster Duo in Chess History

AICF announces Rs. 2 crore assistance to Vidit, Praggnanandhaa and Vaishali

Praggnanandhaa keeps India's World Chess title hopes alive

R Vaishali becomes grandmaster, joins R Praggnanandhaa to become world's first brother-sister GM duo - India Today

Vaishali & R Praggnanandhaa Brother-Sister Duo Ruling The Chess Board