Chirkova Lyudmila

From Samara, Russia

Player page

Internal rating (RR)

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

46 place (413.44).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 4.05 * 0.43) = 13.085650000000001

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 = 417.5673352107078

score = 409.30439511543966 * 0.5 + 417.5673352107078 * 0.5 = 413.43586516307374

Rating changes

Show

all results
Date Place Points Reason
2023-12-19 47 -> 46 413.44
2023-12-12 48 -> 47 404.60 -> 413.44
2023-11-28 51 -> 48 404.60
2023-11-06 56 -> 51 398.73 -> 404.60

IX Russian Riichi Championship: 100% -> 86%
2023-10-19 57 -> 56 398.73
2023-10-12 57 391.04 -> 398.73
2023-09-28 59 -> 57 391.04
2023-09-20 62 -> 59 391.04
2023-09-06 63 -> 62 391.04
2023-09-03 70 -> 63 320.82 -> 391.04

SPB Riichi Open 2023: 0% -> 100%

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