Nemchinova Alena
From Samara, Russia
Common russian riichi rating (CRR)
Rating date Oct. 11, 2024 (latest changes Oct. 11, 2024).
48 place (538.61).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284
p1 = (710.28 * 4 * 0.86 + 420.56 * 4.60 * 1 + 893.62 * 2.80 * 1 + 405.06 * 3.65 * 1 + 0) / (4 * 0.86 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1 + 1) = 539.4821170146786
p2 = (893.62 * 2.80 * 1 + 710.28 * 4 * 0.86 + 420.56 * 4.60 * 1 + 405.06 * 3.65 * 1) / max_coefficients = 537.7450349037891
score = 539.4821170146786 * 0.5 + 537.7450349037891 * 0.5 = 538.6135759592339
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-10-11 | 50 -> 48 | 538.61 | |
| 2024-09-07 | 50 | 538.61 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 405 |
|
48/80 | 100% | 3.65 | RR | Riichi over Volga | Samara | |
| 2 | 894 |
|
6/48 | 100% | 2.80 | RR | Guardian of the Winds | Yekaterinburg | |
| 3 | 421 |
|
63/108 | 100% | 4.60 | RR | X Russian Championship | Perm | |
| 4 | 710 |
|
32/108 | 86% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg |