Knyazeva Anna

From Moscow, Russia

Player page

Internal rating (RR)

Rating date Oct. 30, 2025 (latest changes Oct. 13, 2025).

143 place (295.06).

max_coefficients = (4.10 * 1 + 3.50 * 1 + 3.45 * 1 + 3.85 * 0.86) = 14.349835

p1 = (784.31 * 3.05 * 0.43 + 158.88 * 4.60 * 0.57 + 98.04 * 3.05 * 0.57 + 573.03 * 3.75 * 0.86 + 0) / (3.05 * 0.43 + 4.60 * 0.57 + 3.05 * 0.57 + 3.75 * 0.86 + 1) = 349.30677736259497

p2 = (573.03 * 3.75 * 0.86 + 784.31 * 3.05 * 0.43 + 158.88 * 4.60 * 0.57 + 98.04 * 3.05 * 0.57) / max_coefficients = 240.80695004507018

score = 349.30677736259497 * 0.5 + 240.80695004507018 * 0.5 = 295.05686370383256

Rating changes

Show

all results
Date Place Points Reason
2025-10-13 133 -> 143 307.52 -> 295.06

Moscow Riichi 2024: 100% -> 86%
2025-10-09 134 -> 133 303.69 -> 307.52

Agari Summer Tournament 2024: 71% -> 57%
2025-10-04 136 -> 134 303.69
2025-09-12 137 -> 136 301.76 -> 303.69

X Russian Championship: 71% -> 57%
2025-09-10 131 -> 137 321.40 -> 301.76

Agari Spring Tournament 2024: 57% -> 43%
2025-09-03 125 -> 131 343.88 -> 321.40

SPB Riichi Open 2023: 14% -> 0%
2025-09-01 126 -> 125 340.02 -> 343.88
2025-08-31 122 -> 126 340.02
2025-08-09 127 -> 122 334.62 -> 340.02

Agari Summer Tournament 2024: 86% -> 71%
2025-08-04 128 -> 127 333.23 -> 334.62

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 573 2024-10-13 39/90 86% 3.75 RR Moscow Riichi 2024 Moscow
2 98 2024-06-09 47/52 57% 3.05 RR Agari Summer Tournament 2024 Moscow
3 159 2024-05-12 91/108 57% 4.60 RR X Russian Championship Perm
4 784 2024-03-10 12/52 43% 3.05 RR Agari Spring Tournament 2024 Moscow
5 523 2023-09-03 52/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
6 609 2023-06-11 35/88 0% 3.75 RR Money can not buy tenpai Perm
7 867 2022-11-06 11/76 0% 4.20 RR IX Russian Riichi Championship Perm
8 90 2022-06-12 102/112 0% 4.05 RR Moscow Riichi 2022 Moscow