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Start time
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Rating change
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18
Codeforces Round 499 (Div. 1)
Jul/26/2018 18:05
540
1
-80
1974
17
Codeforces Round 497 (Div. 1)
Jul/13/2018 17:35
421
1
-67
2054
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Candidate Master
Rayker
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Rayker
16
Codeforces Round 492 (Div. 1) [Thanks, uDebug!]
Jun/24/2018 19:35
146
3
+47
2121
Became
Master
Rayker
→
Rayker
15
Codeforces Round 491 (Div. 2)
Jun/23/2018 18:35
149
5
+19
2074
14
Codeforces Round 477 (rated, Div. 1, based on VK Cup 2018 Round 3)
Apr/29/2018 16:15
97
3
+130
2055
13
Tinkoff Internship Warmup Round 2018 and Codeforces Round 475 (Div. 1)
Apr/17/2018 17:05
293
1
+7
1925
12
Codeforces Round 470 (rated, Div. 1, based on VK Cup 2018 Round 1)
Mar/10/2018 18:35
294
3
+8
1918
11
Codeforces Round 469 (Div. 2)
Mar/09/2018 11:10
42
5
+113
1910
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Candidate Master
Rayker
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Rayker
10
Educational Codeforces Round 39 (Rated for Div. 2)
Mar/06/2018 18:05
175
4
+50
1797
9
Codeforces Round 467 (Div. 2)
Feb/25/2018 19:05
37
4
+198
1747
Became
Expert
Rayker
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Rayker
8
Codeforces Round 418 (Div. 2)
Jun/07/2017 15:15
2087
1
-77
1549
Became
Specialist
Rayker
→
Rayker
7
Codeforces Round 282 (Div. 1)
Dec/13/2014 19:30
962
0
-82
1626
6
Codeforces Round 266 (Div. 2)
Sep/12/2014 19:30
175
2
+123
1708
Became
Expert
Rayker
→
Rayker
5
Codeforces Round 263 (Div. 2)
Aug/26/2014 18:00
918
3
-99
1585
Became
Specialist
Rayker
→
Rayker
4
Codeforces Round 248 (Div. 1)
May/24/2014 11:00
305
0
-52
1684
3
Codeforces Round 238 (Div. 2)
Mar/22/2014 19:30
80
4
+63
1736
2
Codeforces Round 228 (Div. 1)
Feb/03/2014 19:40
599
1
-45
1673
1
Codeforces Round 227 (Div. 2)
Jan/30/2014 19:30
142
3
+218
1718
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Expert
Rayker
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Rayker
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Codeforces Round 1134 (Div. 4)
30:13:56
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Codeforces Round 1134 (Div. 4)
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PEAK!
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Codeforces Round 1133 (Div. 1, Div. 2)
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Codeforces Round 1132 (Div. 2) Editorial
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The First-ever Harvard Computing Cup (HC²)!
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are newer questions of the same rating tougher than before?
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False Plagiarism Flag on Div. 2 Problem B due to Solution Simplicity
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Codeforces Round 1099 (Div. 2) Editorial
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Iranian Combinatorics Olympiad 2026
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