GM Christopher Yoo emerged as the winner of the 21st Annual Los Angeles Open, held from 6–8 November 2026 at the Hilton Orange County Airport in Irvine, California. The American grandmaster topped the Major Section with 4.5 points from five rounds, finishing half a point ahead of a group of five players who shared second place.
Yoo, rated 2640, was the highest-rated participant in the section and finished clear first in a field of 62 players. Damaraju Ashwin (2335), CM Pedro Espinosa (2286), CM Chyngyz Sultai (2204) and Sepehr Golsefidy (2192) all scored four points to share second through fifth places.
Seven players finished on 3.5 points, including GM Batchuluun Tsegmed (2505), GM Melikset Khachiyan (2459), CM Gordon Zhenyu Xu (2232), Bryan B. Leano (2180), Forest J. Sherwood (2161), Arjun Jagan (2070) and WCM Alicia Zhu (1933).
The Major Section offered a $2,000 first prize, with additional awards of $1,000, $600 and $400 for the next places. A separate prize category was available for the highest-placing US Chess-rated player under 2300, offering $800 for first place and $400 for second. This section was FIDE rated.
The event featured seven rating divisions, providing competitive opportunities for players across a wide range of levels. Alongside the Major Section, participants competed in the Under 2100, Under 1900, Under 1700, Under 1500, Under 1300 and Under 1000 sections.
All sections followed a five-round Swiss format over the three-day event. The tournament offered a guaranteed total prize fund of $20,000.
