| Bogdan-Daniel Deac | |
| Country: | Romania |
| Birth Place: | Râmnicu Vâlcea, Romania |
| Grandmaster (2016) | |
| Peakrating: | 2710 (September 2022) |
| Peakranking: | No. 34 (September 2022) |
| Fideid: | 1226380 |
Bogdan-Daniel Deac (born 8 October 2001) is a Romanian chess grandmaster. A chess prodigy, he earned his grandmaster title at the age of 14 years, 7 months and 27 days.[1]
Born in 2001, Deac earned his international master title in 2014[2] and his grandmaster title in 2016.[3] He is the No. 1 ranked Romanian player [4] In March 2018, he competed in the European Individual Chess Championship. He placed ninety-fourth,[5] scoring 6/11 (+4–3=4).[6]
He played in the Chess World Cup 2021, losing in the second round to Grigoriy Oparin after a walkover in the first, and in the Chess World Cup 2023, where he defeated Pablo Ismael Acosta in the second round before being eliminated by Nihal Sarin in the third round.[7]
In 2024, he won the Reykjavik Open as clear first with a score of 7.5/9.[8]