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Codeforces Round 1097 (Div. 1, Based on Zhili Cup 2026)
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Contests

#	Contest	Start time	Rank	Solved	Rating change	New rating
91	Codeforces Round 1082 (Div. 1)	Feb/23/2026 17:35	294	4	+50	2140	Became Master Sam_2027 → Sam_2027
90	Codeforces Round 1081 (Div. 2)	Feb/21/2026 17:35	311	5	-9	2090
89	Codeforces Round 1079 (Div. 1)	Feb/11/2026 17:35	445	4	-3	2099	Became Candidate Master Sam_2027 → Sam_2027
88	Codeforces Round 1075 (Div. 2)	Jan/23/2026 17:35	73	6	+95	2102	Became Master Sam_2027 → Sam_2027
87	Codeforces Round 1073 (Div. 1)	Jan/17/2026 17:35	661	3	-27	2007
86	Hello 2026	Jan/07/2026 17:35	2039	4	-79	2034	Became Candidate Master Sam_2027 → Sam_2027
85	Codeforces Global Round 31 (Div. 1 + Div. 2)	Dec/19/2025 17:35	1319	3	-63	2113
84	Codeforces Round 1069 (Div. 1)	Dec/06/2025 11:15	208	4	+70	2176
83	Codeforces Round 1068 (Div. 2)	Dec/05/2025 17:35	55	5	+102	2106	Became Master Sam_2027 → Sam_2027
82	Codeforces Round 1061 (Div. 2)	Oct/24/2025 17:35	700	4	-32	2004
81	Codeforces Round 1057 (Div. 2)	Oct/10/2025 17:35	261	4	+34	2036
80	Educational Codeforces Round 183 (Rated for Div. 2)	Oct/06/2025 17:35	414	5	+14	2002
79	Codeforces Round 1056 (Div. 2)	Oct/05/2025 19:35	457	4	-3	1988
78	Squarepoint Challenge (Codeforces Round 1055, Div. 1 + Div. 2)	Oct/03/2025 17:35	1212	4	-10	1991
77	Codeforces Round 1053 (Div. 1)	Sep/24/2025 14:35	695	2	-21	2001
76	Codeforces Round 1052 (Div. 2)	Sep/21/2025 17:35	522	5	-14	2022
75	Codeforces Global Round 29 (Div. 1 + Div. 2)	Sep/20/2025 17:35	768	4	+37	2036
74	Codeforces Round 1049 (Div. 2)	Sep/09/2025 17:35	600	4	-5	1999
73	Codeforces Round 1046 (Div. 2)	Aug/28/2025 17:35	22	6	+181	2004	Became Candidate Master Sam_2027 → Sam_2027
72	Codeforces Round 1045 (Div. 2)	Aug/26/2025 17:35	1996	3	-42	1823
71	Codeforces Round 1044 (Div. 2)	Aug/24/2025 17:35	2029	3	-60	1865	Became Expert Sam_2027 → Sam_2027
70	Atto Round 1 (Codeforces Round 1041, Div. 1 + Div. 2)	Aug/07/2025 17:35	1528	4	-20	1925
69	Codeforces Round 1040 (Div. 1)	Jul/31/2025 17:35	650	4	+12	1945
68	Codeforces Round 1039 (Div. 2)	Jul/27/2025 17:35	477	5	+29	1933
67	Educational Codeforces Round 181 (Rated for Div. 2)	Jul/22/2025 17:35	1308	4	-39	1904
66	Order Capital Round 1 (Codeforces Round 1038, Div. 1 + Div. 2)	Jul/19/2025 17:35	4518	2	-149	1943
65	Codeforces Round 1035 (Div. 2)	Jul/05/2025 17:35	381	4	-1	2092
64	Educational Codeforces Round 180 (Rated for Div. 2)	Jun/23/2025 17:35	20	5	+177	2093
63	Codeforces Round 1033 (Div. 2) and CodeNite 2025	Jun/21/2025 17:35	847	4	-12	1916
62	Educational Codeforces Round 179 (Rated for Div. 2)	Jun/03/2025 17:35	300	5	+53	1928	Became Candidate Master Sam_2027 → Sam_2027
61	Codeforces Round 1026 (Div. 2)	May/24/2025 17:35	3594	3	-115	1875	Became Expert Sam_2027 → Sam_2027
60	Codeforces Round 1025 (Div. 2)	May/17/2025 17:35	563	4	-14	1990
59	Codeforces Round 1021 (Div. 1)	Apr/26/2025 11:35	288	2	+87	2004
58	Codeforces Round 1019 (Div. 2)	Apr/21/2025 17:35	426	4	+32	1917	Became Candidate Master Sam_2027 → Sam_2027
57	Codeforces Round 1005 (Div. 2)	Feb/16/2025 17:35	2706	3	-95	1885	Became Expert Sam_2027 → Sam_2027
56	Codeforces Round 1004 (Div. 1)	Feb/11/2025 17:35	513	3	+66	1980
55	Codeforces Round 1002 (Div. 2)	Feb/02/2025 17:35	1338	3	-37	1914
54	Ethflow Round 1 (Codeforces Round 1001, Div. 1 + Div. 2)	Jan/26/2025 17:35	518	5	+131	1951	Became Candidate Master Sam_2027 → Sam_2027
53	Codeforces Round 1000 (Div. 2)	Jan/22/2025 15:05	2220	3	-53	1820
52	IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2)	Jan/20/2025 17:35	1193	4	+20	1873
51	Codeforces Round 997 (Div. 2)	Jan/17/2025 17:35	1340	3	-29	1853
50	Codeforces Round 996 (Div. 2)	Jan/12/2025 17:35	400	4	+78	1882
49	Codeforces Round 994 (Div. 2)	Dec/20/2024 17:35	1087	4	+7	1804
48	Codeforces Global Round 28	Dec/19/2024 17:35	906	5	+88	1797
47	Educational Codeforces Round 172 (Rated for Div. 2)	Dec/02/2024 17:35	2257	2	-51	1709
46	Codeforces Round 986 (Div. 2)	Nov/10/2024 18:35	1134	3	-9	1760
45	Codeforces Global Round 27	Oct/27/2024 17:35	1596	4	+17	1769
44	Codeforces Round 979 (Div. 2)	Oct/19/2024 17:05	515	4	+87	1752
43	Codeforces Round 977 (Div. 2, based on COMPFEST 16 - Final Round)	Oct/06/2024 09:05	1143	3	+46	1665
42	Codeforces Round 976 (Div. 2) and Divide By Zero 9.0	Sep/29/2024 18:35	1624	3	+39	1619	Became Expert Sam_2027 → Sam_2027
41	Codeforces Round 975 (Div. 2)	Sep/27/2024 16:35	1898	3	+16	1580
40	Codeforces Round 974 (Div. 3)	Sep/21/2024 17:45	1559	4	+8	1564
39	Codeforces Round 972 (Div. 2)	Sep/14/2024 17:35	4246	3	-40	1556
38	Codeforces Round 969 (Div. 2)	Aug/30/2024 17:35	3258	3	-41	1596	Became Specialist Sam_2027 → Sam_2027
37	Codeforces Round 968 (Div. 2)	Aug/25/2024 17:35	2737	4	-15	1637
36	EPIC Institute of Technology Round August 2024 (Div. 1 + Div. 2)	Aug/11/2024 17:35	2838	3	-2	1652
35	Codeforces Round 961 (Div. 2)	Jul/23/2024 17:35	2994	2	-44	1654
34	Codeforces Round 960 (Div. 2)	Jul/20/2024 17:35	1075	4	+51	1698
33	Codeforces Round 959 sponsored by NEAR (Div. 1 + Div. 2)	Jul/18/2024 17:35	2723	3	0	1647
32	Codeforces Round 958 (Div. 2)	Jul/15/2024 17:35	2562	3	-17	1647
31	Codeforces Round 956 (Div. 2) and ByteRace 2024	Jul/07/2024 17:35	2868	3	-32	1664
30	Codeforces Round 955 (Div. 2, with prizes from NEAR!)	Jun/25/2024 17:35	958	4	+55	1696
29	Codeforces Round 954 (Div. 3)	Jun/23/2024 17:50	206	6	+134	1641	Became Expert Sam_2027 → Sam_2027
28	Codeforces Round 953 (Div. 2)	Jun/16/2024 12:05	5491	2	-89	1507
27	Codeforces Global Round 26	Jun/09/2024 17:35	2543	4	+16	1596
26	Codeforces Round 951 (Div. 2)	Jun/06/2024 17:35	1478	4	+64	1580
25	Codeforces Round 950 (Div. 3)	Jun/03/2024 17:35	1320	5	+53	1516
24	Codeforces Round 949 (Div. 2)	May/31/2024 13:05	2171	2	+32	1463
23	Codeforces Round 947 (Div. 1 + Div. 2)	May/25/2024 17:35	2482	3	+70	1431	Became Specialist Sam_2027 → Sam_2027
22	Codeforces Round 946 (Div. 3)	May/20/2024 17:35	3321	3	+10	1361
21	Codeforces Round 945 (Div. 2)	May/17/2024 17:35	4849	2	-14	1351
20	Codeforces Round 944 (Div. 4)	May/10/2024 17:35	1436	5	+57	1365
19	CodeTON Round 8 (Div. 1 + Div. 2, Rated, Prizes!)	Mar/30/2024 17:35	5463	2	-14	1308
18	Codeforces Round 937 (Div. 4)	Mar/28/2024 17:45	3400	4	+19	1322
17	Codeforces Round 936 (Div. 2)	Mar/22/2024 17:35	7748	2	-54	1303
16	Educational Codeforces Round 163 (Rated for Div. 2)	Mar/15/2024 17:35	3446	3	+60	1357
15	Codeforces Round 933 (Div. 3)	Mar/11/2024 17:35	6730	4	-19	1297
14	Codeforces Round 932 (Div. 2)	Mar/05/2024 17:35	11291	1	-85	1316	Became Pupil Sam_2027 → Sam_2027
13	Codeforces Round 931 (Div. 2)	Mar/01/2024 17:35	5948	2	-48	1401
12	Codeforces Round 930 (Div. 2)	Feb/29/2024 17:35	3656	2	-9	1449
11	Codeforces Round 928 (Div. 4)	Feb/19/2024 17:35	203	5	+177	1458	Became Specialist Sam_2027 → Sam_2027
10	Codeforces Round 927 (Div. 3)	Feb/18/2024 15:05	3786	3	+18	1281
9	Codeforces Round 925 (Div. 3)	Feb/13/2024 17:35	4062	4	+50	1263
8	Codeforces Round 923 (Div. 3)	Feb/06/2024 17:45	5302	4	+48	1213	Became Pupil Sam_2027 → Sam_2027
7	Codeforces Round 922 (Div. 2)	Jan/30/2024 17:35	14167	1	-84	1165	Became Newbie Sam_2027 → Sam_2027
6	Codeforces Round 921 (Div. 2)	Jan/27/2024 17:45	5118	2	+80	1249	Became Pupil Sam_2027 → Sam_2027
5	Educational Codeforces Round 161 (Rated for Div. 2)	Jan/18/2024 17:35	11045	1	+48	1169
4	Codeforces Round 920 (Div. 3)	Jan/15/2024 17:35	2915	4	+226	1121
3	Codeforces Round 919 (Div. 2)	Jan/13/2024 17:35	11105	1	+186	895
2	Hello 2024	Jan/06/2024 17:35	11824	2	+291	709
1	Codeforces Round 913 (Div. 3)	Dec/05/2023 17:45	9524	2	+418	418	Sam_2027 → Sam_2027

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