Polyakov Yuriy
From Ufa, Russia
Common russian riichi rating (CRR)
Rating date Feb. 1, 2021 (latest changes Feb. 1, 2021).
182 place (19.87).
how we calculated rating score
max_coefficients = (4.05 * 0.86 + 2.90 * 1 + 3.85 * 0.71 + 3.45 * 0.71) = 11.585645
p1 = (0 * 2.10 * 0.14 + 181.82 * 1.50 * 0.43 + 0 + 0 + 0) / (2.10 * 0.14 + 1.50 * 0.43 + 1 + 1 + 1) = 29.645015584619795
p2 = (181.82 * 1.50 * 0.43 + 0 * 2.10 * 0.14) / max_coefficients = 10.089209534730264
score = 29.645015584619795 * 0.5 + 10.089209534730264 * 0.5 = 19.86711255967503
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2021-02-01 | 270 -> 182 | 56.78 -> 19.87 | |
2020-02-01 | 270 | 56.78 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 182 |
|
10/12 | 43% | 1.50 | CRR | Perm Half Marathon |
2 | 0 |
|
20/20 | 14% | 2.10 | RR | Fuyu Shanten 2019 |
3 | 259 |
|
21/28 | 0% | 1.70 | RR | Natsu Shanten 2018 |
4 | 355 |
|
21/32 | 0% | 1.60 | RR | "Summer shanten" tournament, Perm 2017 |
5 | 259 |
|
21/28 | 0% | 1.90 | RR | 2 winter riichi mahjong tournament 2015 |