| Rank | Score | Rating | Δ | Date | Event | ||
|---|---|---|---|---|---|---|---|
|
|
67
|
15.43 | · | · | Oct. 1, 2011 |
 |
dunnhumby's Shopper Challenge |
|
|
77
|
1.48 | · | · | Sept. 21, 2011 |
|
Wikipedia's Participation Challenge |
Codeforces