Bogatova Anna

From Samara, Russia

Player page

Internal rating (RR)

Rating date May 8, 2025 (latest changes May 3, 2025).

142 place (277.67).

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

Show

all results
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 2025-05-03 48/71 100% 3.50 RR Riichi over The Volga 2025 Samara
2 786 2025-01-26 10/43 100% 2.60 RR Riichi On Ice Samara
3 152 2024-08-04 68/80 100% 3.65 RR Riichi over Volga Samara