日付	コンテスト	順位	Performance	レーティング	差分
2021-06-21 21:00:00	OMC030	262	521	576	-14
2021-05-11 21:00:00	OMC027 (for beginners)	212	623	590	-1
2021-05-02 21:00:00	OMC025 (for beginners)	226	854	591	+52
2021-04-17 21:00:00	OMC024 (for experts)	245	687	539	+22
2020-12-25 21:00:00	OMC013 (ChristMATHContest 2020)	260	-	-	-
2020-11-03 21:00:00	OMC009	169	992	517	+138
2020-10-25 21:00:00	OMC008	125	1001	379	+175
2020-10-17 21:00:00	OMC007	154	1025	204	+164
2020-10-04 21:00:00	OMC006	228	683	40	+40