Yakovlev Andrey
From Simferopol, Russia
EMA: 15990293
Common russian riichi rating (CRR)
Rating date Feb. 23, 2025 (latest changes Feb. 22, 2025).
177 place (241.75).
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 * 1 + 733.33 * 1.80 * 1 + 0 + 0 + 0) / (2.10 * 1 + 1.80 * 1 + 1 + 1 + 1) = 336.8623188405797
p2 = (733.33 * 1.80 * 1 + 478.26 * 2.10 * 1) / max_coefficients = 146.64668769716087
score = 336.8623188405797 * 0.5 + 146.64668769716087 * 0.5 = 241.75450326887028
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-02-16 | 167 -> 177 | 241.75 | |
| 2025-02-11 | 168 -> 167 | 241.75 | |
| 2025-02-02 | 162 -> 168 | 241.75 | |
| 2025-01-26 | 155 -> 162 | 241.75 | |
| 2025-01-07 | 153 -> 155 | 241.75 | |
| 2025-01-05 | 154 -> 153 | 241.75 | |
| 2025-01-04 | 151 -> 154 | 241.75 | |
| 2025-01-03 | 155 -> 151 | 241.75 | |
| 2024-12-29 | 154 -> 155 | 241.75 | |
| 2024-12-22 | 156 -> 154 | 241.75 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 733 |
|
5/16 | 100% | 1.80 | CRR | Happy Bamboo 2024 |
| 2 | 478 |
|
25/47 | 100% | 2.10 | RR | Seihoku spring tournament 2024 |
| 3 | 460 |
|
35/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 |
| 4 | 639 |
|
31/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
| 5 | 84 |
|
77/84 | 0% | 3.40 | EMA | VI Russian Riichi Championship 2017 |
| 6 | 859 |
|
11/72 | 0% | 3.25 | EMA | Saint Petersburg Riichi Open 2016 |
| 7 | 43 |
|
23/24 | 0% | 1.40 | EMA | Crimean Riichi Open 2015 |
| 8 | 630 |
|
11/28 | 0% | 1.50 | EMA | Crimean Riichi Open 2013 |