Ratnikova Anna

From Samara, Russia

EMA: 15990370

Player page

Common russian riichi rating (CRR)

Rating date Dec. 3, 2022 (latest changes Dec. 3, 2022).

59 place (382.11).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.10 * 1) = 14.85

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

p2 = (600 * 4.20 * 1 + 585.59 * 4.05 * 1) / max_coefficients = 329.4020202020202

score = 434.81066666666663 * 0.5 + 329.4020202020202 * 0.5 = 382.10634343434344

Rating changes

Show

Date Place Points Reason
2022-12-03 59 382.11

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"
4 455 2017-02-26 7/12 0% 1.10 CRR Mahjong tournament at the Intellectual Games Festival 2017