Knyazeva Anna

From Moscow, Russia

Player page

Internal rating (RR)

Rating date Oct. 19, 2023 (latest changes Oct. 19, 2023).

18 place (557.83).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.57) = 14.26417

p1 = (90.09 * 4.05 * 0.57 + 866.67 * 4.20 * 1 + 609.20 * 3.75 * 1 + 523.36 * 4 * 1 + 0) / (4.05 * 0.57 + 4.20 * 1 + 3.75 * 1 + 4 * 1 + 1) = 538.9366077552858

p2 = (866.67 * 4.20 * 1 + 609.20 * 3.75 * 1 + 523.36 * 4 * 1 + 90.09 * 4.05 * 0.57) / max_coefficients = 576.7191501503418

score = 538.9366077552858 * 0.5 + 576.7191501503418 * 0.5 = 557.8278789528138

Rating changes

Show

all results
Date Place Points Reason
2023-10-19 19 -> 18 557.83
2023-10-12 21 -> 19 540.14 -> 557.83

Moscow Riichi 2022: 71% -> 57%
2023-09-20 23 -> 21 540.14
2023-09-03 31 -> 23 481.60 -> 540.14

SPB Riichi Open 2023: 0% -> 100%
2023-08-19 32 -> 31 481.60
2023-08-12 34 -> 32 464.73 -> 481.60

Moscow Riichi 2022: 86% -> 71%
2023-07-28 36 -> 34 464.73
2023-07-20 37 -> 36 456.38 -> 464.73
2023-07-06 38 -> 37 456.38
2023-06-19 40 -> 38 456.38

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 523 2023-09-03 52/108 100% 4.00 RR SPB Riichi Open 2023
2 609 2023-06-11 35/88 100% 3.75 RR Money can not buy tenpai
3 867 2022-11-06 11/76 100% 4.20 RR IX Russian Riichi Championship
4 90 2022-06-12 102/112 57% 4.05 RR Moscow Riichi 2022