Filipino FM Christian Gian Karlo Arca stuns top seed at Bangkok Chess Open
Filipino FIDE Master Christian Gian Arca(left) against Super Grandmaster Jan Gustaffson in the third round of the Bangkok Chess Club Open at the Royal Orchid Sheraton Riverside Hotel in Thailand on Tuesday (April 15, 2025). Arca won in 39 moves of the Reti Opening. (Contributed photo) Filipino FIDE Master Christian Gian Karlo Arca pulled off a…