Ratings
2012-12-15: The 1st Korea Children's Othello Championships-U8_U10(Korea)
| YOO Dongwon | 13-51 | JUNG Sangkwon |
| KIM Eungyo | 52-12 | YOO Dongwon |
| YOO Dongwon | 40-24 | LEE Youngwoo |
| KIM Jaehyun | 38-26 | YOO Dongwon |
| YOO Dongwon | 50-14 | NA Youngwoong |