Chirkova Lyudmila

From Samara, Russia

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Internal rating (RR)

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

69 place (320.82).

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

p1 = (266.67 * 4.20 * 1 + 712.64 * 3.75 * 1 + 0 + 0 + 0) / (4.20 * 1 + 3.75 * 1 + 1 + 1 + 1) = 346.33881278538814

p2 = (712.64 * 3.75 * 1 + 266.67 * 4.20 * 1) / max_coefficients = 295.2942949034149

score = 346.33881278538814 * 0.5 + 295.2942949034149 * 0.5 = 320.8165538444015

Rating changes

Show

all results
Date Place Points Reason
2023-08-12 72 -> 69 314.45 -> 320.82
2023-07-28 74 -> 72 314.45
2023-07-20 75 -> 74 309.38 -> 314.45
2023-07-06 76 -> 75 309.38
2023-06-19 78 -> 76 309.38
2023-06-12 78 303.94 -> 309.38
2023-06-11 78 303.94

Money can not buy tenpai: 0% -> 100%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 713 2023-06-11 26/88 100% 3.75 RR Money can not buy tenpai
2 267 2022-11-06 56/76 100% 4.20 RR IX Russian Riichi Championship