Saperkin Leonid
From Saint Petersburg, Russia
EMA: 15990118
Common russian riichi rating (CRR)
Rating date Feb. 1, 2020 (latest changes Feb. 1, 2020).
239 place (140.58).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.85 * 1 + 3.45 * 1) = 15.55
p1 = (774.19 * 2.70 * 0.14 + 492.96 * 3.55 * 0.43 + 0 + 0 + 0) / (2.70 * 0.14 + 3.55 * 0.43 + 1 + 1 + 1) = 213.7116494408399
p2 = (492.96 * 3.55 * 0.43 + 774.19 * 2.70 * 0.14) / max_coefficients = 67.4443729903537
score = 213.7116494408399 * 0.5 + 67.4443729903537 * 0.5 = 140.5780112155968
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2020-02-01 | 239 | 140.58 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 493 |
|
37/72 | 43% | 3.55 | EMA | RCR Saint Petersburg South Cup 2018 |
2 | 774 |
|
8/32 | 14% | 2.70 | RR | East Cup 2018 |
3 | 564 |
|
18/40 | 0% | 1.80 | RR | Saint Petersburg championship. Northern cup 2017 |
4 | 179 |
|
33/40 | 0% | 1.80 | RR | Saint Petersburg championship. West cup 2017 |
5 | 778 |
|
7/28 | 0% | 2.30 | EMA | Saint Petersburg Riichi tournament |