Rank | Score | Rating | Δ | Date | Event | ||
---|---|---|---|---|---|---|---|
|
14
|
1 | · | · | April 10, 2011 |
Problem 332. Spherical triangles | |
|
17
|
1 | · | · | Jan. 30, 2011 |
Problem 322. Binomial coefficients divisible by 10 | |
|
6
|
1 | · | · | Jan. 1, 2011 |
Problem 318. 2011 nines | |
|
6
|
1 | · | · | Dec. 19, 2010 |
Problem 315. Digital root clocks | |
|
2
|
1 | · | · | Nov. 14, 2010 |
Problem 310. Nim Square | |
|
8
|
1 | · | · | Nov. 6, 2010 |
Problem 309. Integer Ladders | |
|
26
|
1 | · | · | Oct. 24, 2010 |
Problem 307. Chip Defects | |
|
8
|
1 | · | · | Sept. 26, 2010 |
Problem 303. Multiples with small digits | |
|
16
|
1 | · | · | Sept. 18, 2010 |
Problem 302. Strong Achilles Numbers |