Chirkova Lyudmila

From Samara, Russia

Player page

Internal rating (RR)

Rating date Sept. 3, 2024 (latest changes Sept. 3, 2024).

30 place (593.90).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284

p1 = (266.67 * 4.20 * 0.29 + 712.64 * 3.75 * 0.71 + 457.94 * 4 * 0.86 + 439.25 * 4.60 * 1 + 1000 * 2.80 * 1 + 506.33 * 3.65 * 1 + 372.55 * 3.05 * 1 + 736.84 * 3.85 * 1) / (4.20 * 0.29 + 3.75 * 0.71 + 4 * 0.86 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1 + 3.05 * 1 + 3.85 * 1) = 571.7500103436815

p2 = (736.84 * 3.85 * 1 + 1000 * 2.80 * 1 + 439.25 * 4.60 * 1 + 712.64 * 3.75 * 0.71) / max_coefficients = 616.0525231189305

score = 571.7500103436815 * 0.5 + 616.0525231189305 * 0.5 = 593.901266731306

Rating changes

Show

Date Place Points Reason
2024-09-03 33 -> 30 581.71 -> 593.90

SPB Riichi Open 2023: 100% -> 86%

2024-09-01 38 -> 33 550.25 -> 581.71

SPB Riichi Open 2024: 0% -> 100%

2024-08-11 36 -> 38 561.67 -> 550.25

Money can not buy tenpai: 86% -> 71%

2024-08-04 28 -> 36 576.45 -> 561.67

Riichi over Volga: 0% -> 100%

2024-07-14 42 -> 28 481.38 -> 576.45

Guardian of the Winds: 0% -> 100%

2024-07-06 47 -> 42 477.66 -> 481.38

IX Russian Riichi Championship: 43% -> 29%

2024-06-11 47 485.39 -> 477.66

Money can not buy tenpai: 100% -> 86%

2024-06-09 49 -> 47 458.61 -> 485.39

Agari Summer Tournament 2024: 0% -> 100%

2024-05-12 46 -> 49 408.95 -> 458.61

X Russian Championship: 0% -> 100%

2024-05-06 49 -> 46 406.55 -> 408.95

IX Russian Riichi Championship: 57% -> 43%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 737 2024-09-01 26/96 100% 3.85 RR SPB Riichi Open 2024
2 506 2024-08-04 40/80 100% 3.65 RR Riichi over Volga
3 1000 2024-07-14 1/48 100% 2.80 RR Guardian of the Winds
4 373 2024-06-09 33/52 100% 3.05 RR Agari Summer Tournament 2024
5 439 2024-05-12 61/108 100% 4.60 RR X Russian Championship
6 458 2023-09-03 59/108 86% 4.00 RR SPB Riichi Open 2023
7 713 2023-06-11 26/88 71% 3.75 RR Money can not buy tenpai
8 267 2022-11-06 56/76 29% 4.20 RR IX Russian Riichi Championship