Dobrynina Irina

From Irkutsk, Russia

Player page

Common russian riichi rating (CRR)

Rating date April 19, 2023 (latest changes April 19, 2023).

48 place (415.62).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 2.80 * 1) = 14.04985

p1 = (818.18 * 1.10 * 1 + 818.18 * 1.10 * 0.29 + 1000 * 1.10 * 1 + 600 * 1.20 * 0.71 + 0) / (1.10 * 1 + 1.10 * 0.29 + 1.10 * 1 + 1.20 * 0.71 + 1) = 633.9870477166511

p2 = (1000 * 1.10 * 1 + 818.18 * 1.10 * 1 + 600 * 1.20 * 0.71 + 818.18 * 1.10 * 0.29) / max_coefficients = 197.25691021612334

score = 633.9870477166511 * 0.5 + 197.25691021612334 * 0.5 = 415.62197896638725

Rating changes

Show

Date Place Points Reason
2023-04-19 49 -> 48 415.62
2023-03-31 134 -> 49 166.48 -> 415.62
2021-02-01 204 -> 134 204.80 -> 166.48
2020-02-01 204 204.80

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 1000 2023-01-14 1/12 100% 1.10 CRR Survive after yakuman
2 818 2022-07-09 3/12 100% 1.10 CRR Summer tournament
3 600 2022-01-05 7/16 71% 1.20 CRR Winter tournament
4 818 2021-07-03 3/12 29% 1.10 CRR Summer tournament
5 867 2021-01-03 3/16 0% 1.20 CRR Winter tournament
6 91 2019-03-03 11/12 0% 1.10 CRR Spring Tournament
7 909 2018-12-02 2/12 0% 1.10 CRR Irkutsk Winter Tournament
8 818 2018-09-09 3/12 0% 1.10 CRR Summer Tournament