Yants Alexandra
From Perm, Russia
EMA: 15020047
Common russian riichi rating (CRR)
Rating date Feb. 1, 2020 (latest changes Feb. 1, 2020).
76 place (482.79).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.85 * 1 + 3.45 * 1) = 15.55
p1 = (148.15 * 1.70 * 0.14 + 352.11 * 3.85 * 0.29 + 407.41 * 1.70 * 0.57 + 454.55 * 3 * 0.86 + 105.26 * 2.10 * 1 + 807.23 * 4.20 * 1 + 652.17 * 2.20 * 1 + 545.45 * 1.50 * 1) / (1.70 * 0.14 + 3.85 * 0.29 + 1.70 * 0.57 + 3 * 0.86 + 2.10 * 1 + 4.20 * 1 + 2.20 * 1 + 1.50 * 1) = 527.5033413265411
p2 = (807.23 * 4.20 * 1 + 652.17 * 2.20 * 1 + 454.55 * 3 * 0.86 + 545.45 * 1.50 * 1) / max_coefficients = 438.0765273311897
score = 527.5033413265411 * 0.5 + 438.0765273311897 * 0.5 = 482.7899343288654
Rating changes
| Date | Place | Points | Reason | 
|---|---|---|---|
| 2020-02-01 | 76 | 482.79 | 
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 545 |  | 6/12 | 100% | 1.50 | CRR | Perm Half Marathon | Perm | |
| 2 | 652 |  | 9/24 | 100% | 2.20 | RR | URAL Mahjong Battle | Yekaterinburg | |
| 3 | 807 |  | 17/84 | 100% | 4.20 | EMA | Haru Shanten 2019 | Perm | |
| 4 | 105 |  | 18/20 | 100% | 2.10 | RR | Fuyu Shanten 2019 | Perm | |
| 5 | 455 |  | 31/56 | 86% | 3.00 | EMA | Snow Dragon | Novosibirsk | |
| 6 | 407 |  | 17/28 | 57% | 1.70 | RR | Natsu Shanten 2018 | Perm | |
| 7 | 352 |  | 47/72 | 29% | 3.85 | EMA | Haru Shanten 2018 | Perm | |
| 8 | 148 |  | 24/28 | 14% | 1.70 | RR | Fuyu Shanten | Perm | |
| 9 | 479 |  | 38/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten | Perm | |
| 10 | 174 |  | 20/24 | 0% | 2.20 | RR | Summer EMA rules tournament 2017 | Yekaterinburg | |
| 11 | 871 |  | 5/32 | 0% | 1.60 | RR | "Summer shanten" tournament, Perm 2017 | Perm |