Yakovlev Andrey
From Simferopol, Russia
EMA: 15990293
Common russian riichi rating (CRR)
Rating date Feb. 1, 2021 (latest changes Feb. 1, 2021).
108 place (224.62).
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 = (638.55 * 4.20 * 0.29 + 460.32 * 3.45 * 0.71 + 0 + 0 + 0) / (4.20 * 0.29 + 3.45 * 0.71 + 1 + 1 + 1) = 285.1938132805144
p2 = (460.32 * 3.45 * 0.71 + 638.55 * 4.20 * 0.29) / max_coefficients = 164.04869992132507
score = 285.1938132805144 * 0.5 + 164.04869992132507 * 0.5 = 224.62125660091974
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2021-02-01 | 135 -> 108 | 337.77 -> 224.62 | |
| 2020-02-01 | 135 | 337.77 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 460 |
|
35/64 | 71% | 3.45 | EMA | Saint Petersburg Open 2019 |
| 2 | 639 |
|
31/84 | 29% | 4.20 | EMA | Haru Shanten 2019 |
| 3 | 84 |
|
77/84 | 0% | 3.40 | EMA | VI Russian Riichi Championship 2017 |
| 4 | 859 |
|
11/72 | 0% | 3.25 | EMA | Saint Petersburg Riichi Open 2016 |
| 5 | 43 |
|
23/24 | 0% | 1.40 | EMA | Crimean Riichi Open 2015 |
| 6 | 630 |
|
11/28 | 0% | 1.50 | EMA | Crimean Riichi Open 2013 |