Ratnikova Anna

From Samara, Russia

EMA: 15990370

Player page

Internal rating (RR)

Rating date Nov. 13, 2022 (latest changes Nov. 13, 2022).

56 place (378.31).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.45 * 1) = 15.2

p1 = (585.59 * 4.05 * 1 + 600 * 4.20 * 1 + 0 + 0 + 0) / (4.05 * 1 + 4.20 * 1 + 1 + 1 + 1) = 434.81066666666663

p2 = (600 * 4.20 * 1 + 585.59 * 4.05 * 1) / max_coefficients = 321.8171052631579

score = 434.81066666666663 * 0.5 + 321.8171052631579 * 0.5 = 378.3138859649123

Rating changes

Show

Date Place Points Reason
2022-11-06 56 378.31

IX Russian Riichi Championship: 0% -> 100%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 600 2022-11-06 31/76 100% 4.20 RR IX Russian Riichi Championship
2 586 2022-06-12 47/112 100% 4.05 RR Moscow Riichi 2022
3 198 2018-11-18 74/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"