Chirkova Lyudmila

From Samara, Russia

Player page

Common russian riichi rating (CRR)

Rating date March 6, 2024 (latest changes March 6, 2024).

64 place (408.79).

max_coefficients = (4 * 1 + 3.75 * 1 + 2.90 * 1 + 4.20 * 0.57) = 13.04988

p1 = (266.67 * 4.20 * 0.57 + 457.94 * 4 * 1 + 712.64 * 3.75 * 1 + 0 + 0) / (4.20 * 0.57 + 4 * 1 + 3.75 * 1 + 1 + 1) = 423.3918359687503

p2 = (712.64 * 3.75 * 1 + 457.94 * 4 * 1 + 266.67 * 4.20 * 0.57) / max_coefficients = 394.1921305023494

score = 423.3918359687503 * 0.5 + 394.1921305023494 * 0.5 = 408.7919832355499

Rating changes

Show

all results
Date Place Points Reason
2024-03-06 66 -> 64 402.30 -> 408.79

IX Russian Riichi Championship: 71% -> 57%
2024-02-12 68 -> 66 402.30
2024-01-20 69 -> 68 402.30
2024-01-06 71 -> 69 396.38 -> 402.30

IX Russian Riichi Championship: 86% -> 71%
2023-12-27 70 -> 71 396.38
2023-12-19 72 -> 70 396.38
2023-12-12 73 -> 72 396.38
2023-11-28 74 -> 73 396.38
2023-11-26 67 -> 74 397.73 -> 396.38
2023-11-20 66 -> 67 397.73

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 57% 4.20 RR IX Russian Riichi Championship