Bretslavskaya Elena
From Megion, Russia
Internal rating (RR)
Rating date Sept. 6, 2024 (latest changes Sept. 6, 2024).
150 place (111.46).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284
p1 = (26.67 * 4.20 * 0.14 + 0 * 4.60 * 1 + 148.94 * 2.80 * 1 + 227.85 * 3.65 * 1 + 137.25 * 3.05 * 1) / (4.20 * 0.14 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1 + 3.05 * 1) = 114.50880193303757
p2 = (227.85 * 3.65 * 1 + 137.25 * 3.05 * 1 + 148.94 * 2.80 * 1 + 26.67 * 4.20 * 0.14) / max_coefficients = 108.40138069601504
score = 114.50880193303757 * 0.5 + 108.40138069601504 * 0.5 = 111.4550913145263
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-09-06 | 151 -> 150 | 110.25 -> 111.46 |
IX Russian Riichi Championship: 29% -> 14% |
| 2024-09-03 | 151 | 108.31 -> 110.25 | |
| 2024-09-01 | 137 -> 151 | 111.07 -> 108.31 | |
| 2024-08-11 | 137 | 110.48 -> 111.07 | |
| 2024-08-04 | 139 -> 137 | 63.48 -> 110.48 |
Riichi over Volga: 0% -> 100% |
| 2024-07-14 | 133 -> 139 | 35.92 -> 63.48 |
Guardian of the Winds: 0% -> 100% |
| 2024-07-06 | 134 -> 133 | 36.07 -> 35.92 |
IX Russian Riichi Championship: 43% -> 29% |
| 2024-06-11 | 146 -> 134 | 35.53 -> 36.07 | |
| 2024-06-09 | 135 -> 146 | 35.53 | |
| 2024-05-12 | 114 -> 135 | 47.81 -> 35.53 |
X Russian Championship: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 228 |
|
62/80 | 100% | 3.65 | RR | Riichi over Volga |
| 2 | 149 |
|
41/48 | 100% | 2.80 | RR | Guardian of the Winds |
| 3 | 0 |
|
108/108 | 100% | 4.60 | RR | X Russian Championship |
| 4 | 137 |
|
45/52 | 100% | 3.05 | RR | Agari Spring Tournament 2024 |
| 5 | 27 |
|
74/76 | 14% | 4.20 | RR | IX Russian Riichi Championship |