Chirkova Lyudmila

From Samara, Russia

Player page

Internal rating (RR)

Rating date Dec. 22, 2024 (latest changes Dec. 11, 2024).

31 place (591.98).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85

p1 = (712.64 * 3.75 * 0.43 + 457.94 * 4 * 0.71 + 439.25 * 4.60 * 1 + 1000 * 2.80 * 1 + 506.33 * 3.65 * 1 + 736.84 * 3.85 * 1 + 372.55 * 3.05 * 1) / (3.75 * 0.43 + 4 * 0.71 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1 + 3.85 * 1 + 3.05 * 1) = 584.2485539462266

p2 = (736.84 * 3.85 * 1 + 1000 * 2.80 * 1 + 439.25 * 4.60 * 1 + 506.33 * 3.65 * 1) / max_coefficients = 599.7160883280757

score = 584.2485539462266 * 0.5 + 599.7160883280757 * 0.5 = 591.9823211371511

Rating changes

Show

all results
Date Place Points Reason
2024-12-11 31 593.48 -> 591.98

Money can not buy tenpai: 57% -> 43%
2024-11-06 33 -> 31 589.40 -> 593.48

IX Russian Riichi Championship: 14% -> 0%
2024-11-03 35 -> 33 587.96 -> 589.40

SPB Riichi Open 2023: 86% -> 71%
2024-10-13 30 -> 35 594.17 -> 587.96
2024-10-11 30 597.61 -> 594.17

Money can not buy tenpai: 71% -> 57%
2024-09-06 30 593.90 -> 597.61

IX Russian Riichi Championship: 29% -> 14%
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%

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 71% 4.00 RR SPB Riichi Open 2023
7 713 2023-06-11 26/88 43% 3.75 RR Money can not buy tenpai
8 267 2022-11-06 56/76 0% 4.20 RR IX Russian Riichi Championship