Artyushenko Nina
From Simferopol, Russia
Common russian riichi rating (CRR)
Rating date March 15, 2026 (latest changes March 15, 2026).
177 place (289.29).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (66.67 * 1.80 * 0.57 + 363.64 * 0.90 * 1 + 133.33 * 2 * 1 + 782.61 * 1.20 * 1 + 826.09 * 1.20 * 1) / (1.80 * 0.57 + 0.90 * 1 + 2 * 1 + 1.20 * 1 + 1.20 * 1) = 409.7229684033549
p2 = (826.09 * 1.20 * 1 + 782.61 * 1.20 * 1 + 363.64 * 0.90 * 1 + 133.33 * 2 * 1) / max_coefficients = 168.8541806020067
score = 409.7229684033549 * 0.5 + 168.8541806020067 * 0.5 = 289.28857450268083
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-03-14 | 178 -> 177 | 289.29 | |
| 2026-03-12 | 180 -> 178 | 289.29 | |
| 2026-03-07 | 179 -> 180 | 289.29 | |
| 2026-02-27 | 183 -> 179 | 282.59 -> 289.29 |
Happy Bamboo 2024: 71% -> 57% |
| 2026-02-23 | 174 -> 183 | 282.59 | |
| 2026-02-16 | 175 -> 174 | 282.59 | |
| 2026-02-13 | 176 -> 175 | 282.59 | |
| 2026-02-08 | 174 -> 176 | 282.59 | |
| 2026-01-26 | 175 -> 174 | 282.59 | |
| 2026-01-25 | 173 -> 175 | 282.59 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 826 |
|
5/24 | 100% | 1.20 | CRR | Riichi on fire | Simferopol | |
| 2 | 783 |
|
6/24 | 100% | 1.20 | CRR | Pands in discards | Simferopol | |
| 3 | 133 |
|
14/16 | 100% | 2.00 | RR | South Dragon Cup II | Simferopol | |
| 4 | 364 |
|
8/12 | 100% | 0.90 | CRR | The Southern Coon Mini Cup | Simferopol | |
| 5 | 67 |
|
15/16 | 57% | 1.80 | CRR | Happy Bamboo 2024 | Simferopol | |
| 6 | 370 |
|
18/28 | 0% | 1.50 | EMA | Kharkiv open 2017 | Kharkiv | |
| 7 | 696 |
|
8/24 | 0% | 1.40 | EMA | Crimean Riichi Open 2015 | Simferopol | |
| 8 | 556 |
|
13/28 | 0% | 1.50 | EMA | Crimean Riichi Open 2013 | Simferopol |