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

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

IX Russian Riichi Championship: 100% -> 86%

Tournaments

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