Codeforces Round 966 (Div. 3)
Codeforces Round 986 (Div. 2)
Codeforces Round 998 (Div. 3)
Codeforces Round 942 (Div. 1)
Educational Codeforces Round 170 (Rated for Div. 2)
Codeforces Round 1012 (Div. 1)
Codeforces Round 968 (Div. 2)
Codeforces Round 950 (Div. 3)
Codeforces Round 961 (Div. 2)
Codeforces Round 979 (Div. 2)
Codeforces Round 991 (Div. 3)
Codeforces Round 904 (Div. 2)
Codeforces Round #772 (Div. 2), Rank 11
Codeforces Round 992 (Div. 2)
Codeforces Round 990 (Div. 1)
Codeforces Round 932 (Div. 2)
Codeforces Round 964 (Div. 4)
Codeforces Round 1022 (Div. 2)
Codeforces Round 972 (Div. 2)
Codeforces Round 962 (Div. 3)
