Choi Cheok Io Oscar (蔡倬堯)

Place: Macao, Macao, China

Birth: 2014-03-03

Rating: 1974.53, Std: 98.89, Rank: 827

First game: 2022-07-18, Last game: 2026-07-27

Top rating: 1977.21 (2022-07-18)

Games: 33, Wins: 16, Draws: 0, Losses: 17

Gy1: 16, Gy2: 16, Gy5: 33

World Renju Youth Cup 2026 (online) C Group
Date	2026-07-27		Rating	1974.53
Round	Color	Result	Opponent
1	White	Win	Li Xiulai	1611.86
2	Black	Loss	Suzuki Yoshitaka	2096.94
3	White	Loss	Chan I Son Isaac	2239.20
4	White	Win	Su Zijing	1922.97
5	Black	Loss	Veer Mihkel	1948.06
6	Black	Win	Letovaltsev Matvei	2053.53
7	Black	Loss	Un Chi Fong	1811.04
8	Black	Win	Pärnamaa Artur	1530.87
9	White	Loss	Potapov Stepan	2142.79
Youth World Championship 2026 Group C
Date	2026-07-08		Rating	1976.26
Round	Color	Result	Opponent
1	Black	Loss	Xia Kaidi	2329.60
2	Black	Win	Golovanov Mikhail	1814.59
3	White	Win	Chen Zengziran	2166.23
4	Black	Loss	Xiang Zhenxuan	2380.08
5	White	Loss	Rogozinskii Iaroslav	2055.95
6	White	Win	Letovaltsev Matvei	2055.63
7	Black	Loss	Chan I Son Isaac	2234.96
World Renju Youth Cup 2023 (online) E Group
Date	2023-07-18		Rating	1970.68
Round	Color	Result	Opponent
1	Black	Win	Suzuki Tetsuji	1737.85
3	Black	Loss	Ding Seong Wan	2026.78
4	Black	Win	Yin Chi Lai	1862.80
5	White	Loss	Wang Pinyi	2096.71
6	Black	Win	Mak Chun Ngai	1972.36
7	Black	Loss	Dai Junrui	2184.63
8	White	Loss	Zubov Vsevolod	1920.32
9	Black	Win	Wong Chon Meng	1804.14
World Renju Youth Cup 2022 (online) D Group
Date	2022-07-18		Rating	1977.21
Round	Color	Result	Opponent
1	White	Loss	Zhou Sizhe	2311.87
2	Black	Loss	Wong Iat Long	1868.77
3	Black	Win	Liu Xing	1831.90
4	Black	Win	Ao Yik Hei	1760.53
5	Black	Win	Wong Chon Hin	1867.61
6	Black	Win	Gao Shengrui	1992.78
7	White	Loss	Liu Wenbo	2127.33
8	White	Loss	Kuong Cheng In	2070.96
9	White	Win	Chan Lok Kei	1926.55