Chirkova Lyudmila

From Samara, Russia

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Internal rating (RR)

Rating date Nov. 28, 2023 (latest changes Nov. 28, 2023).

47 place (404.60).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 4.05 * 0.57) = 13.663990000000002

p1 = (266.67 * 4.20 * 0.86 + 712.64 * 3.75 * 1 + 457.94 * 4 * 1 + 0 + 0) / (4.20 * 0.86 + 3.75 * 1 + 4 * 1 + 1 + 1) = 409.30439511543966

p2 = (712.64 * 3.75 * 1 + 457.94 * 4 * 1 + 266.67 * 4.20 * 0.86) / max_coefficients = 399.89344254496666

score = 409.30439511543966 * 0.5 + 399.89344254496666 * 0.5 = 404.59891883020316

Rating changes

Show

all results
Date Place Points Reason
2023-11-28 50 -> 47 404.60
2023-11-06 55 -> 50 398.73 -> 404.60

IX Russian Riichi Championship: 100% -> 86%
2023-10-19 56 -> 55 398.73
2023-10-12 56 391.04 -> 398.73
2023-09-28 58 -> 56 391.04
2023-09-20 61 -> 58 391.04
2023-09-06 62 -> 61 391.04
2023-09-03 69 -> 62 320.82 -> 391.04

SPB Riichi Open 2023: 0% -> 100%
2023-08-12 72 -> 69 314.45 -> 320.82
2023-07-28 74 -> 72 314.45

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 458 2023-09-03 59/108 100% 4.00 RR SPB Riichi Open 2023
2 713 2023-06-11 26/88 100% 3.75 RR Money can not buy tenpai
3 267 2022-11-06 56/76 86% 4.20 RR IX Russian Riichi Championship