Yakovlev Andrey
From Simferopol, Russia
EMA: 15990293
Internal rating (RR)
Rating date Nov. 8, 2026 (latest changes Nov. 7, 2026).
128 place (356.79).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.40 * 1 + 3.40 * 1 + 3.40 * 1) = 14.91
p1 = (666.67 * 2 * 0.43 + 736.84 * 2.10 * 1 + 789.47 * 1.30 * 1 + 0 + 0) / (2 * 0.43 + 2.10 * 1 + 1.30 * 1 + 1 + 1) = 502.64655117304864
p2 = (736.84 * 2.10 * 1 + 789.47 * 1.30 * 1 + 666.67 * 2 * 0.43) / max_coefficients = 210.94299128101943
score = 502.64655117304864 * 0.5 + 210.94299128101943 * 0.5 = 356.79477122703406
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-11-04 | 128 | 353.37 -> 356.79 | |
| 2026-10-27 | 127 -> 128 | 363.13 -> 353.37 |
South Dragon Cup II: 57% -> 43% |
| 2026-10-15 | 128 -> 127 | 363.13 | |
| 2026-10-13 | 130 -> 128 | 363.13 | |
| 2026-09-26 | 131 -> 130 | 363.13 | |
| 2026-09-13 | 132 -> 131 | 363.13 | |
| 2026-09-07 | 133 -> 132 | 363.13 | |
| 2026-09-06 | 128 -> 133 | 363.13 | |
| 2026-09-02 | 129 -> 128 | 363.13 | |
| 2026-09-01 | 130 -> 129 | 363.13 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 789 |
|
5/20 | 100% | 1.30 | RR | Heat in the discard | Simferopol | |
| 2 | 737 |
|
6/20 | 100% | 2.10 | RR | The Southern Dragon Cup 2026 | Simferopol | |
| 3 | 667 |
|
6/16 | 43% | 2.00 | RR | South Dragon Cup II | Simferopol | |
| 4 | 478 |
|
25/47 | 0% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg | |
| 5 | 460 |
|
35/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 | Saint Petersburg | |
| 6 | 639 |
|
31/84 | 0% | 4.20 | EMA | Haru Shanten 2019 | Perm | |
| 7 | 84 |
|
77/84 | 0% | 3.40 | EMA | VI Russian Riichi Championship 2017 | Saint Petersburg | |
| 8 | 859 |
|
11/72 | 0% | 3.25 | EMA | Saint Petersburg Riichi Open 2016 | Saint Petersburg | |
| 9 | 43 |
|
23/24 | 0% | 1.40 | EMA | Crimean Riichi Open 2015 | Simferopol | |
| 10 | 630 |
|
11/28 | 0% | 1.50 | EMA | Crimean Riichi Open 2013 | Simferopol |