Ratings
2012-12-15: The 1st Korea Children's Othello Championships-U8_U10(Korea)
| OH Hyunseok | 09-55 | KIM Soohyun |
| SHIN Donggun | 36-28 | OH Hyunseok |
| OH Hyunseok | 25-39 | KIM Jaehyun |
| KIM Eungyo | 42-22 | OH Hyunseok |