azspcs.com
| N | Country | Participants number |
|---|---|---|
| 1 | United States of America | 411 |
| 2 | Germany | 189 |
| 3 | United Kingdom | 97 |
| 4 | Russia | 87 |
| 5 | Indonesia | 83 |
| 6 | India | 68 |
| 7 | Canada | 64 |
| 8 | France | 57 |
| 9 | Netherlands | 56 |
| 10 | Italy | 36 |
| more |
| N | Handle | Contests number |
|---|---|---|
| 1 | Roy van Rijn | 23 |
| 2 | Wes Sampson | 23 |
| 3 | Eduard Baumann | 23 |
| 4 | Dmitry Kamenetsky | 23 |
| 5 | Yirmy Yasovsky | 22 |
| 6 | Mark Mammel | 21 |
| 7 | John Morris | 21 |
| 8 | André Wauters | 21 |
| 9 | Michael Steinau | 20 |
| 10 | Nick Gardner | 20 |
| more |
| N | Handle | Last activity |
|---|---|---|
| 1 | Alfred Heiligenbrunner | Jan. 4, 2025 |
| 2 | Yuki Shimoyamada | Jan. 4, 2025 |
| 3 | Michael Hürter | Jan. 4, 2025 |
| 4 | Tomas Rokicki | Jan. 4, 2025 |
| 5 | Bernardo Boncompagni | Jan. 4, 2025 |
| 6 | Arch D. Robison | Jan. 4, 2025 |
| 7 | Ralf Bonse | Jan. 4, 2025 |
| 8 | Rob Field | Jan. 4, 2025 |
| 9 | Rafaël Bocquet | Jan. 4, 2025 |
| 10 | Andreas Bartsch | Jan. 4, 2025 |
| more |
|
End Time |
Contest |
|---|---|
| Jan. 4, 2025 | Balto's Puzzle |
| Nov. 5, 2022 | Stepping Stones |
| Sept. 8, 2022 | Oddly Triangular |
| Dec. 27, 2021 | AP Math |
| Sept. 18, 2021 | Monochromatic Triangles |
| July 18, 2020 | Sums of Powers |
| Oct. 26, 2019 | Reversing Nearness |
| Feb. 2, 2019 | Hexagonal Neighbors |
| Dec. 23, 2017 | Primorial Soup |
| March 11, 2017 | Polygonal Areas |
| more |
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