Chirkova Lyudmila

From Samara, Russia

Player page

Common russian riichi rating (CRR)

Rating date Sept. 15, 2025 (latest changes Sept. 15, 2025).

59 place (559.83).

max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8

p1 = (439.25 * 4.60 * 0.57 + 372.55 * 3.05 * 0.71 + 1000 * 2.80 * 0.71 + 506.33 * 3.65 * 0.86 + 736.84 * 3.85 * 0.86 + 880.95 * 2.60 * 1 + 514.29 * 3.50 * 1 + 164.18 * 4.10 * 1) / (4.60 * 0.57 + 3.05 * 0.71 + 2.80 * 0.71 + 3.65 * 0.86 + 3.85 * 0.86 + 2.60 * 1 + 3.50 * 1 + 4.10 * 1) = 543.8498985186692

p2 = (736.84 * 3.85 * 0.86 + 880.95 * 2.60 * 1 + 1000 * 2.80 * 0.71 + 514.29 * 3.50 * 1) / max_coefficients = 575.8094594594594

score = 543.8498985186692 * 0.5 + 575.8094594594594 * 0.5 = 559.8296789890643

Rating changes

Show

all results
Date Place Points Reason
2025-09-14 53 -> 59 577.16 -> 559.83

Guardian of the Winds: 86% -> 71%
2025-09-12 57 -> 53 575.66 -> 577.16

X Russian Championship: 71% -> 57%
2025-09-03 59 -> 57 574.63 -> 575.66

SPB Riichi Open 2023: 14% -> 0%
2025-09-01 52 -> 59 582.07 -> 574.63

SPB Riichi Open 2024: 100% -> 86%
2025-08-31 49 -> 52 582.07
2025-08-25 50 -> 49 582.07
2025-08-09 50 580.59 -> 582.07

Agari Summer Tournament 2024: 86% -> 71%
2025-08-04 51 -> 50 578.75 -> 580.59

Riichi over Volga: 100% -> 86%
2025-08-03 50 -> 51 578.75
2025-07-30 51 -> 50 578.75

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 164 2025-06-15 57/68 100% 4.10 RR 13 bloody tiles Perm
2 514 2025-05-03 35/71 100% 3.50 RR Riichi over The Volga 2025 Samara
3 881 2025-01-26 6/43 100% 2.60 RR Riichi On Ice Samara
4 737 2024-09-01 26/96 86% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
5 506 2024-08-04 40/80 86% 3.65 RR Riichi over Volga Samara
6 1000 2024-07-14 🥇 1/48 71% 2.80 RR Guardian of the Winds Yekaterinburg
7 373 2024-06-09 33/52 71% 3.05 RR Agari Summer Tournament 2024 Moscow
8 439 2024-05-12 61/108 57% 4.60 RR X Russian Championship Perm
9 458 2023-09-03 59/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
10 713 2023-06-11 26/88 0% 3.75 RR Money can not buy tenpai Perm
11 267 2022-11-06 56/76 0% 4.20 RR IX Russian Riichi Championship Perm