Knyazeva Anna

From Moscow, Russia

Player page

Internal rating (RR)

Rating date Aug. 23, 2025 (latest changes Aug. 9, 2025).

122 place (340.02).

max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.50 * 1) = 15.2

p1 = (523.36 * 4 * 0.14 + 784.31 * 3.05 * 0.57 + 158.88 * 4.60 * 0.71 + 98.04 * 3.05 * 0.71 + 573.03 * 3.75 * 1) / (4 * 0.14 + 3.05 * 0.57 + 4.60 * 0.71 + 3.05 * 0.71 + 3.75 * 1) = 394.7127033988463

p2 = (573.03 * 3.75 * 1 + 784.31 * 3.05 * 0.57 + 158.88 * 4.60 * 0.71 + 523.36 * 4 * 0.14) / max_coefficients = 285.3263157894737

score = 394.7127033988463 * 0.5 + 285.3263157894737 * 0.5 = 340.01950959416

Rating changes

Show

all results
Date Place Points Reason
2025-08-09 127 -> 122 334.62 -> 340.02

Agari Summer Tournament 2024: 86% -> 71%
2025-08-04 128 -> 127 333.23 -> 334.62
2025-08-03 126 -> 128 333.23
2025-07-30 125 -> 126 333.23
2025-07-14 126 -> 125 333.23
2025-07-13 123 -> 126 333.23
2025-07-12 123 328.06 -> 333.23

X Russian Championship: 86% -> 71%
2025-07-10 116 -> 123 345.87 -> 328.06

Agari Spring Tournament 2024: 71% -> 57%
2025-07-03 114 -> 116 358.30 -> 345.87

SPB Riichi Open 2023: 29% -> 14%
2025-06-15 109 -> 114 363.11 -> 358.30

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 573 2024-10-13 39/90 100% 3.75 RR Moscow Riichi 2024 Moscow
2 98 2024-06-09 47/52 71% 3.05 RR Agari Summer Tournament 2024 Moscow
3 159 2024-05-12 91/108 71% 4.60 RR X Russian Championship Perm
4 784 2024-03-10 12/52 57% 3.05 RR Agari Spring Tournament 2024 Moscow
5 523 2023-09-03 52/108 14% 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