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| | Knock Out| Rank by solved | 19444 out of 167359 |  | Problems solved | 21 out of 1198 |  | Rank by rating | 22052 out of 167359 |  | Rating | 2479 out of 1712586 | 
 The map of solved problemsNeighbours| Rank | Author | Rating | Solved | Last AC | 
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 | 19441 | Sandra | 2497 | 21 | 3 Apr 2005 21:39 |  | 19442 | Bran | 2489 | 21 | 7 Oct 2005 20:45 |  | 19443 | qqqqqqqqqqqq | 2482 | 21 | 7 Aug 2007 15:15 |  | 19444 | Knock Out | 2479 | 21 | 22 Mar 2007 21:14 |  | 19445 | Tommy | 2476 | 21 | 16 Nov 2018 14:41 |  | 19446 | orange_boy | 2456 | 21 | 17 Dec 2016 02:13 |  | 19447 | Genius@ | 2445 | 21 | 20 Dec 2007 23:13 | 
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