Chirkova Lyudmila

From Samara, Russia

Player page

Internal rating (RR)

Rating date July 20, 2023 (latest changes July 20, 2023).

74 place (314.45).

max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 3.50 * 0.57) = 13.421155

p1 = (266.67 * 4.20 * 1 + 712.64 * 3.75 * 1 + 0 + 0 + 0) / (4.20 * 1 + 3.75 * 1 + 1 + 1 + 1) = 346.33881278538814

p2 = (712.64 * 3.75 * 1 + 266.67 * 4.20 * 1) / max_coefficients = 282.56957020465074

score = 346.33881278538814 * 0.5 + 282.56957020465074 * 0.5 = 314.4541914950195

Rating changes

Show

all results
Date Place Points Reason
2023-07-20 75 -> 74 309.38 -> 314.45
2023-07-06 76 -> 75 309.38
2023-06-19 78 -> 76 309.38
2023-06-12 78 303.94 -> 309.38
2023-06-11 78 303.94

Money can not buy tenpai: 0% -> 100%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 713 2023-06-11 26/88 100% 3.75 RR Money can not buy tenpai
2 267 2022-11-06 56/76 100% 4.20 RR IX Russian Riichi Championship