Yakovlev Andrey
From Simferopol, Russia
EMA: 15990293
Internal rating (RR)
Rating date July 8, 2026 (latest changes July 7, 2026).
169 place (271.70).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997
p1 = (666.67 * 2 * 0.71 + 736.84 * 2.10 * 1 + 0 + 0 + 0) / (2 * 0.71 + 2.10 * 1 + 1 + 1 + 1) = 382.8952608522501
p2 = (736.84 * 2.10 * 1 + 666.67 * 2 * 0.71) / max_coefficients = 160.50804829296828
score = 382.8952608522501 * 0.5 + 160.50804829296828 * 0.5 = 271.7016545726092
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-07-01 | 170 -> 169 | 271.70 | |
| 2026-06-27 | 162 -> 170 | 283.76 -> 271.70 |
South Dragon Cup II: 86% -> 71% |
| 2026-06-26 | 163 -> 162 | 283.76 | |
| 2026-06-15 | 164 -> 163 | 280.63 -> 283.76 | |
| 2026-06-14 | 147 -> 164 | 287.97 -> 280.63 | |
| 2026-06-13 | 146 -> 147 | 287.97 | |
| 2026-06-09 | 147 -> 146 | 287.97 | |
| 2026-06-04 | 151 -> 147 | 287.97 | |
| 2026-05-17 | 148 -> 151 | 287.97 | |
| 2026-05-12 | 156 -> 148 | 287.97 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 737 |
|
6/20 | 100% | 2.10 | RR | The Southern Dragon Cup 2026 | Simferopol | |
| 2 | 667 |
|
6/16 | 71% | 2.00 | RR | South Dragon Cup II | Simferopol | |
| 3 | 478 |
|
25/47 | 0% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg | |
| 4 | 460 |
|
35/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 | Saint Petersburg | |
| 5 | 639 |
|
31/84 | 0% | 4.20 | EMA | Haru Shanten 2019 | Perm | |
| 6 | 84 |
|
77/84 | 0% | 3.40 | EMA | VI Russian Riichi Championship 2017 | Saint Petersburg | |
| 7 | 859 |
|
11/72 | 0% | 3.25 | EMA | Saint Petersburg Riichi Open 2016 | Saint Petersburg | |
| 8 | 43 |
|
23/24 | 0% | 1.40 | EMA | Crimean Riichi Open 2015 | Simferopol | |
| 9 | 630 |
|
11/28 | 0% | 1.50 | EMA | Crimean Riichi Open 2013 | Simferopol |