Nemchinova Alena
From Samara, Russia
Internal rating (RR)
Rating date Aug. 4, 2024 (latest changes Aug. 4, 2024).
39 place (555.90).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.65 * 1 + 3.75 * 0.86) = 15.464125
p1 = (710.28 * 4 * 1 + 420.56 * 4.60 * 1 + 893.62 * 2.80 * 1 + 405.06 * 3.65 * 1 + 0) / (4 * 1 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1 + 1) = 545.5644859813085
p2 = (710.28 * 4 * 1 + 893.62 * 2.80 * 1 + 420.56 * 4.60 * 1 + 405.06 * 3.65 * 1) / max_coefficients = 566.2337830300777
score = 545.5644859813085 * 0.5 + 566.2337830300777 * 0.5 = 555.8991345056932
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-08-04 | 40 -> 39 | 516.37 -> 555.90 |
Riichi over Volga: 0% -> 100% |
| 2024-07-14 | 70 -> 40 | 366.49 -> 516.37 |
Guardian of the Winds: 0% -> 100% |
| 2024-07-06 | 71 -> 70 | 366.49 | |
| 2024-06-11 | 80 -> 71 | 360.90 -> 366.49 | |
| 2024-06-09 | 75 -> 80 | 360.90 | |
| 2024-05-12 | 75 | 360.90 |
X Russian Championship: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 405 |
|
48/80 | 100% | 3.65 | RR | Riichi over Volga |
| 2 | 894 |
|
6/48 | 100% | 2.80 | RR | Guardian of the Winds |
| 3 | 421 |
|
63/108 | 100% | 4.60 | RR | X Russian Championship |
| 4 | 710 |
|
32/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |