Knyazeva Anna

From Moscow, Russia

Player page

Internal rating (RR)

Rating date July 3, 2025 (latest changes July 3, 2025).

116 place (345.87).

max_coefficients = (4.10 * 1 + 4.60 * 0.86 + 3.85 * 1 + 3.75 * 1) = 15.64266

p1 = (523.36 * 4 * 0.14 + 784.31 * 3.05 * 0.71 + 158.88 * 4.60 * 0.86 + 98.04 * 3.05 * 0.86 + 573.03 * 3.75 * 1) / (4 * 0.14 + 3.05 * 0.71 + 4.60 * 0.86 + 3.05 * 0.86 + 3.75 * 1) = 385.9568370448717

p2 = (573.03 * 3.75 * 1 + 784.31 * 3.05 * 0.71 + 158.88 * 4.60 * 0.86 + 523.36 * 4 * 0.14) / max_coefficients = 305.7766390115236

score = 385.9568370448717 * 0.5 + 305.7766390115236 * 0.5 = 345.8667380281977

Rating changes

Show

all results
Date Place Points Reason
2025-07-03 114 -> 116 358.30 -> 345.87

SPB Riichi Open 2023: 29% -> 14%
2025-06-15 109 -> 114 363.11 -> 358.30
2025-06-11 110 -> 109 367.23 -> 363.11

Money can not buy tenpai: 14% -> 0%
2025-06-09 110 362.72 -> 367.23

Agari Summer Tournament 2024: 100% -> 86%
2025-05-30 111 -> 110 362.72
2025-05-12 114 -> 111 354.08 -> 362.72

X Russian Championship: 100% -> 86%
2025-05-10 110 -> 114 370.45 -> 354.08

Agari Spring Tournament 2024: 86% -> 71%
2025-05-03 104 -> 110 382.20 -> 370.45

SPB Riichi Open 2023: 43% -> 29%
2025-04-26 102 -> 104 382.20
2025-04-11 101 -> 102 385.58 -> 382.20

Money can not buy tenpai: 29% -> 14%

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 86% 3.05 RR Agari Summer Tournament 2024 Moscow
3 159 2024-05-12 91/108 86% 4.60 RR X Russian Championship Perm
4 784 2024-03-10 12/52 71% 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