Bogatova Anna
From Samara, Russia
Internal rating (RR)
Rating date May 8, 2025 (latest changes May 3, 2025).
142 place (277.67).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (151.90 * 3.65 * 1 + 785.71 * 2.60 * 1 + 328.57 * 3.50 * 1 + 0 + 0) / (3.65 * 1 + 2.60 * 1 + 3.50 * 1 + 1 + 1) = 318.9182978723404
p2 = (785.71 * 2.60 * 1 + 328.57 * 3.50 * 1 + 151.90 * 3.65 * 1) / max_coefficients = 236.42208201892743
score = 318.9182978723404 * 0.5 + 236.42208201892743 * 0.5 = 277.6701899456339
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2025-05-03 | 158 -> 142 | 222.33 -> 277.67 |
Riichi over The Volga 2025: 0% -> 100% |
2025-04-27 | 157 -> 158 | 222.33 | |
2025-04-26 | 156 -> 157 | 222.33 | |
2025-04-11 | 158 -> 156 | 222.33 | |
2025-03-30 | 159 -> 158 | 222.33 | |
2025-03-10 | 160 -> 159 | 222.33 | |
2025-03-02 | 156 -> 160 | 222.33 | |
2025-02-16 | 144 -> 156 | 222.33 | |
2025-02-11 | 145 -> 144 | 222.33 | |
2025-02-02 | 137 -> 145 | 222.33 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
---|---|---|---|---|---|---|---|---|
1 | 329 |
|
48/71 | 100% | 3.50 | RR | Riichi over The Volga 2025 | Samara |
2 | 786 |
|
10/43 | 100% | 2.60 | RR | Riichi On Ice | Samara |
3 | 152 |
|
68/80 | 100% | 3.65 | RR | Riichi over Volga | Samara |