| 1342 | Educational Codeforces Round 86 (Rated for Div. 2) | Apr 26, 2020, 02:35 PM | 2h | Finished | |
| 1341 | Codeforces Round 637 (Div. 2) - Thanks, Ivan Belonogov! | Apr 23, 2020, 02:45 PM | 2h 30m | Finished | |
| 1340 | Codeforces Round 637 (Div. 1) - Thanks, Ivan Belonogov! | Apr 23, 2020, 02:45 PM | 2h 30m | Finished | |
| 1343 | Codeforces Round 636 (Div. 3) | Apr 21, 2020, 02:35 PM | 2h | Finished | |
| 1336 | Codeforces Round 635 (Div. 1) | Apr 15, 2020, 02:35 PM | 2h 30m | Finished | |
| 1337 | Codeforces Round 635 (Div. 2) | Apr 15, 2020, 02:35 PM | 2h 30m | Finished | |
| 1335 | Codeforces Round 634 (Div. 3) | Apr 13, 2020, 02:35 PM | 2h | Finished | |
| 1339 | Codeforces Round 633 (Div. 2) | Apr 12, 2020, 02:05 PM | 2h | Finished | |
| 1338 | Codeforces Round 633 (Div. 1) | Apr 12, 2020, 02:05 PM | 2h | Finished | |
| 1334 | Educational Codeforces Round 85 (Rated for Div. 2) | Apr 10, 2020, 02:35 PM | 2h | Finished | |
| 1333 | Codeforces Round 632 (Div. 2) | Apr 08, 2020, 02:35 PM | 2h | Finished | |
| 1330 | Codeforces Round 631 (Div. 2) - Thanks, Denis aramis Shitov! | Apr 03, 2020, 02:35 PM | 2h | Finished | |
| 1329 | Codeforces Round 631 (Div. 1) - Thanks, Denis aramis Shitov! | Apr 03, 2020, 02:35 PM | 2h | Finished | |
| 1331 | April Fools Day Contest 2020 | Apr 01, 2020, 02:35 PM | 2h | Finished | |
| 1332 | Codeforces Round 630 (Div. 2) | Mar 31, 2020, 01:35 PM | 2h 30m | Finished | |
| 1328 | Codeforces Round 629 (Div. 3) | Mar 26, 2020, 02:35 PM | 2h | Finished | |
| 1327 | Educational Codeforces Round 84 (Rated for Div. 2) | Mar 23, 2020, 02:35 PM | 2h | Finished | |
| 1326 | Codeforces Global Round 7 | Mar 19, 2020, 02:35 PM | 2h 30m | Finished | |
| 1325 | Codeforces Round 628 (Div. 2) | Mar 14, 2020, 02:35 PM | 2h | Finished | |
| 1324 | Codeforces Round 627 (Div. 3) | Mar 12, 2020, 01:05 PM | 2h | Finished | |
| 1312 | Educational Codeforces Round 83 (Rated for Div. 2) | Mar 09, 2020, 02:35 PM | 2h | Finished | |
| 1322 | Codeforces Round 626 (Div. 1, based on Moscow Open Olympiad in Informatics) | Mar 07, 2020, 09:35 AM | 2h | Finished | |
| 1323 | Codeforces Round 626 (Div. 2, based on Moscow Open Olympiad in Informatics) | Mar 07, 2020, 09:35 AM | 2h | Finished | |
| 1316 | CodeCraft-20 (Div. 2) | Mar 04, 2020, 02:35 PM | 2h | Finished | |
| 1305 | Ozon Tech Challenge 2020 (Div.1 + Div.2, Rated, T-shirts + prizes!) | Mar 03, 2020, 02:35 PM | 2h 15m | Finished | |
| 1321 | Codeforces Round 625 (Div. 2, based on Technocup 2020 Final Round) | Mar 01, 2020, 01:15 PM | 2h | Finished | |
| 1320 | Codeforces Round 625 (Div. 1, based on Technocup 2020 Final Round) | Mar 01, 2020, 01:15 PM | 2h | Finished | |
| 1319 | Технокубок 2020 - Финал | Mar 01, 2020, 10:10 AM | 3h | Finished | |
| 1297 | Kotlin Heroes: Episode 3 | Feb 27, 2020, 01:35 PM | 2h 30m | Finished | |
| 1311 | Codeforces Round 624 (Div. 3) | Feb 24, 2020, 02:35 PM | 2h | Finished | |
| 1315 | Codeforces Round 623 (Div. 2, based on VK Cup 2019-2020 - Elimination Round, Engine) | Feb 23, 2020, 04:05 PM | 2h 30m | Finished | |
| 1314 | Codeforces Round 623 (Div. 1, based on VK Cup 2019-2020 - Elimination Round, Engine) | Feb 23, 2020, 04:05 PM | 2h 30m | Finished | |
| 1310 | VK Cup 2019-2020 - Elimination Round (Engine) | Feb 23, 2020, 04:05 PM | 2h 30m | Finished | |
| 1313 | Codeforces Round 622 (Div. 2) | Feb 23, 2020, 09:05 AM | 2h | Finished | |
| 1298 | Kotlin Heroes: Practice 3 | Feb 20, 2020, 12:35 PM | 168h 45m | Finished | |
| 1307 | Codeforces Round 621 (Div. 1 + Div. 2) | Feb 17, 2020, 03:35 PM | 2h 15m | Finished | |
| 1304 | Codeforces Round 620 (Div. 2) | Feb 15, 2020, 01:05 PM | 2h | Finished | |
| 1301 | Codeforces Round 619 (Div. 2) | Feb 13, 2020, 02:35 PM | 2h | Finished | |
| 1303 | Educational Codeforces Round 82 (Rated for Div. 2) | Feb 12, 2020, 02:35 PM | 2h | Finished | |
| 1300 | Codeforces Round 618 (Div. 2) | Feb 09, 2020, 02:05 PM | 2h | Finished | |
| 1299 | Codeforces Round 618 (Div. 1) | Feb 09, 2020, 02:05 PM | 2h | Finished | |
| 1296 | Codeforces Round 617 (Div. 3) | Feb 04, 2020, 02:35 PM | 2h | Finished | |
| 1302 | AIM Tech Poorly Prepared Contest (unrated, funny, Div. 1 preferred) | Feb 03, 2020, 04:15 PM | 3h | Finished | |
| 1291 | Codeforces Round 616 (Div. 2) | Feb 02, 2020, 02:05 PM | 2h 30m | Finished | |
| 1290 | Codeforces Round 616 (Div. 1) | Feb 02, 2020, 02:05 PM | 2h 30m | Finished | |
| 1295 | Educational Codeforces Round 81 (Rated for Div. 2) | Jan 29, 2020, 02:35 PM | 2h | Finished | |
| 1294 | Codeforces Round 615 (Div. 3) | Jan 22, 2020, 02:35 PM | 2h 10m | Finished | |
| 1293 | Codeforces Round 614 (Div. 2) | Jan 19, 2020, 01:35 PM | 2h | Finished | |
| 1292 | Codeforces Round 614 (Div. 1) | Jan 19, 2020, 01:35 PM | 2h | Finished | |
| 1288 | Educational Codeforces Round 80 (Rated for Div. 2) | Jan 14, 2020, 02:35 PM | 2h | Finished | |