Artyushenko Nina
From Simferopol, Russia
Common russian riichi rating (CRR)
Rating date Aug. 8, 2025 (latest changes Aug. 4, 2025).
238 place (174.16).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.50 * 1) = 15.2
p1 = (66.67 * 1.80 * 1 + 363.64 * 0.90 * 1 + 133.33 * 2 * 1 + 782.61 * 1.20 * 1 + 0) / (1.80 * 1 + 0.90 * 1 + 2 * 1 + 1.20 * 1 + 1) = 239.5753623188406
p2 = (782.61 * 1.20 * 1 + 363.64 * 0.90 * 1 + 133.33 * 2 * 1 + 66.67 * 1.80 * 1) / max_coefficients = 108.75460526315791
score = 239.5753623188406 * 0.5 + 108.75460526315791 * 0.5 = 174.16498379099926
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2025-08-04 | 238 | 173.63 -> 174.16 | |
2025-08-03 | 232 -> 238 | 173.63 | |
2025-07-26 | 267 -> 232 | 76.53 -> 173.63 |
Pands in discards: 0% -> 100% |
2025-07-13 | 265 -> 267 | 76.53 | |
2025-07-12 | 265 | 76.10 -> 76.53 | |
2025-06-15 | 256 -> 265 | 76.78 -> 76.10 | |
2025-06-14 | 251 -> 256 | 76.78 | |
2025-06-11 | 256 -> 251 | 76.78 | |
2025-06-08 | 254 -> 256 | 76.78 | |
2025-05-30 | 255 -> 254 | 76.78 |
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 | 100% | 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 |