Knyazeva Anna

From Moscow, Russia

Player page

Internal rating (RR)

Rating date Aug. 12, 2023 (latest changes Aug. 12, 2023).

31 place (481.60).

max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.71 + 3.50 * 0.57) = 12.842815

p1 = (90.09 * 4.05 * 0.71 + 866.67 * 4.20 * 1 + 609.20 * 3.75 * 1 + 0 + 0) / (4.05 * 0.71 + 4.20 * 1 + 3.75 * 1 + 1 + 1) = 481.5962731202379

p2 = (866.67 * 4.20 * 1 + 609.20 * 3.75 * 1 + 90.09 * 4.05 * 0.71) / max_coefficients = 481.6000230479065

score = 481.5962731202379 * 0.5 + 481.6000230479065 * 0.5 = 481.59814808407225

Rating changes

Show

all results
Date Place Points Reason
2023-08-12 33 -> 31 464.73 -> 481.60

Moscow Riichi 2022: 86% -> 71%
2023-07-28 35 -> 33 464.73
2023-07-20 36 -> 35 456.38 -> 464.73
2023-07-06 37 -> 36 456.38
2023-06-19 39 -> 37 456.38
2023-06-12 42 -> 39 441.49 -> 456.38

Moscow Riichi 2022: 100% -> 86%
2023-06-11 58 -> 42 337.91 -> 441.49

Money can not buy tenpai: 0% -> 100%
2023-05-28 60 -> 58 335.40 -> 337.91
2023-05-20 61 -> 60 329.45 -> 335.40
2023-05-06 62 -> 61 329.45

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 609 2023-06-11 35/88 100% 3.75 RR Money can not buy tenpai
2 867 2022-11-06 11/76 100% 4.20 RR IX Russian Riichi Championship
3 90 2022-06-12 102/112 71% 4.05 RR Moscow Riichi 2022