Yakovlev Andrey
From Simferopol, Russia
EMA: 15990293
Common russian riichi rating (CRR)
Rating date March 30, 2025 (latest changes March 30, 2025).
129 place (334.18).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (478.26 * 2.10 * 0.86 + 733.33 * 1.80 * 1 + 1000 * 0.90 * 1 + 0 + 0) / (2.10 * 0.86 + 1.80 * 1 + 0.90 * 1 + 1 + 1) = 473.9804089595086
p2 = (733.33 * 1.80 * 1 + 1000 * 0.90 * 1 + 478.26 * 2.10 * 0.86) / max_coefficients = 194.37413249211357
score = 473.9804089595086 * 0.5 + 194.37413249211357 * 0.5 = 334.1772707258111
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-03-30 | 128 -> 129 | 338.80 -> 334.18 |
Seihoku spring tournament 2024: 100% -> 86% |
| 2025-03-29 | 181 -> 128 | 241.75 -> 338.80 |
The Southern Coon Mini Cup: 0% -> 100% |
| 2025-03-23 | 176 -> 181 | 241.75 | |
| 2025-03-03 | 177 -> 176 | 241.75 | |
| 2025-03-02 | 173 -> 177 | 241.75 | |
| 2025-02-27 | 174 -> 173 | 241.75 | |
| 2025-02-25 | 177 -> 174 | 241.75 | |
| 2025-02-16 | 167 -> 177 | 241.75 | |
| 2025-02-11 | 168 -> 167 | 241.75 | |
| 2025-02-02 | 162 -> 168 | 241.75 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 1000 |
|
1/12 | 100% | 0.90 | CRR | The Southern Coon Mini Cup |
| 2 | 733 |
|
5/16 | 100% | 1.80 | CRR | Happy Bamboo 2024 |
| 3 | 478 |
|
25/47 | 86% | 2.10 | RR | Seihoku spring tournament 2024 |
| 4 | 460 |
|
35/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 |
| 5 | 639 |
|
31/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
| 6 | 84 |
|
77/84 | 0% | 3.40 | EMA | VI Russian Riichi Championship 2017 |
| 7 | 859 |
|
11/72 | 0% | 3.25 | EMA | Saint Petersburg Riichi Open 2016 |
| 8 | 43 |
|
23/24 | 0% | 1.40 | EMA | Crimean Riichi Open 2015 |
| 9 | 630 |
|
11/28 | 0% | 1.50 | EMA | Crimean Riichi Open 2013 |