Chirkova Lyudmila

From Samara, Russia

Player page

Common russian riichi rating (CRR)

Rating date Feb. 9, 2026 (latest changes Feb. 9, 2026).

95 place (453.65).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (439.25 * 4.60 * 0.29 + 372.55 * 3.05 * 0.29 + 1000 * 2.80 * 0.43 + 506.33 * 3.65 * 0.43 + 736.84 * 3.85 * 0.57 + 880.95 * 2.60 * 0.86 + 514.29 * 3.50 * 1 + 164.18 * 4.10 * 1 + 57.14 * 2.50 * 1) / (4.60 * 0.29 + 3.05 * 0.29 + 2.80 * 0.43 + 3.65 * 0.43 + 3.85 * 0.57 + 2.60 * 0.86 + 3.50 * 1 + 4.10 * 1 + 2.50 * 1) = 466.8863113932467

p2 = (880.95 * 2.60 * 0.86 + 514.29 * 3.50 * 1 + 736.84 * 3.85 * 0.57 + 1000 * 2.80 * 0.43) / max_coefficients = 440.41605351170574

score = 466.8863113932467 * 0.5 + 440.41605351170574 * 0.5 = 453.6511824524762

Rating changes

Show

all results
Date Place Points Reason
2026-02-09 93 -> 95 452.62 -> 453.65

Agari Summer Tournament 2024: 43% -> 29%
2026-02-08 83 -> 93 481.88 -> 452.62

One tsumo until spring: 0% -> 100%
2026-02-04 84 -> 83 481.63 -> 481.88

Riichi over Volga: 57% -> 43%
2026-02-02 85 -> 84 481.63
2026-01-30 86 -> 85 481.63
2026-01-26 79 -> 86 496.22 -> 481.63

Riichi On Ice: 100% -> 86%
2026-01-25 74 -> 79 496.22
2026-01-14 69 -> 74 514.61 -> 496.22

Guardian of the Winds: 57% -> 43%
2026-01-12 70 -> 69 512.90 -> 514.61

X Russian Championship: 43% -> 29%
2026-01-07 68 -> 70 512.90

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 57 2026-02-08 34/36 100% 2.50 RR One tsumo until spring Yekaterinburg
2 164 2025-06-15 57/68 100% 4.10 RR 13 bloody tiles Perm
3 514 2025-05-03 35/71 100% 3.50 RR Riichi over The Volga 2025 Samara
4 881 2025-01-26 6/43 86% 2.60 RR Riichi On Ice Samara
5 737 2024-09-01 26/96 57% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
6 506 2024-08-04 40/80 43% 3.65 RR Riichi over Volga Samara
7 1000 2024-07-14 🥇 1/48 43% 2.80 RR Guardian of the Winds Yekaterinburg
8 373 2024-06-09 33/52 29% 3.05 RR Agari Summer Tournament 2024 Moscow
9 439 2024-05-12 61/108 29% 4.60 RR X Russian Championship Perm
10 458 2023-09-03 59/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
11 713 2023-06-11 26/88 0% 3.75 RR Money can not buy tenpai Perm
12 267 2022-11-06 56/76 0% 4.20 RR IX Russian Riichi Championship Perm