Artyushenko Nina
From Simferopol, Russia
Common russian riichi rating (CRR)
Rating date Nov. 1, 2025 (latest changes Nov. 1, 2025).
227 place (180.34).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.50 * 1 + 3.45 * 1 + 3.25 * 1) = 14.3
p1 = (66.67 * 1.80 * 0.86 + 363.64 * 0.90 * 1 + 133.33 * 2 * 1 + 782.61 * 1.20 * 1 + 0) / (1.80 * 0.86 + 0.90 * 1 + 2 * 1 + 1.20 * 1 + 1) = 246.2703867958897
p2 = (782.61 * 1.20 * 1 + 363.64 * 0.90 * 1 + 133.33 * 2 * 1 + 66.67 * 1.80 * 0.86) / max_coefficients = 114.4
score = 246.2703867958897 * 0.5 + 114.4 * 0.5 = 180.33519339794486
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-11-01 | 227 | 180.14 -> 180.34 | |
| 2025-10-27 | 227 | 177.39 -> 180.14 |
Happy Bamboo 2024: 100% -> 86% |
| 2025-10-13 | 228 -> 227 | 175.63 -> 177.39 | |
| 2025-10-04 | 229 -> 228 | 175.63 | |
| 2025-09-25 | 230 -> 229 | 175.63 | |
| 2025-09-14 | 232 -> 230 | 175.63 | |
| 2025-09-12 | 231 -> 232 | 175.63 | |
| 2025-09-10 | 232 -> 231 | 175.63 | |
| 2025-09-03 | 239 -> 232 | 175.63 | |
| 2025-09-01 | 239 | 174.16 -> 175.63 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 783 |
|
6/24 | 100% | 1.20 | CRR | Pands in discards | Simferopol | |
| 2 | 133 |
|
14/16 | 100% | 2.00 | RR | South Dragon Cup II | Simferopol | |
| 3 | 364 |
|
8/12 | 100% | 0.90 | CRR | The Southern Coon Mini Cup | Simferopol | |
| 4 | 67 |
|
15/16 | 86% | 1.80 | CRR | Happy Bamboo 2024 | Simferopol | |
| 5 | 370 |
|
18/28 | 0% | 1.50 | EMA | Kharkiv open 2017 | Kharkiv | |
| 6 | 696 |
|
8/24 | 0% | 1.40 | EMA | Crimean Riichi Open 2015 | Simferopol | |
| 7 | 556 |
|
13/28 | 0% | 1.50 | EMA | Crimean Riichi Open 2013 | Simferopol |