Dobrynina Irina

From Irkutsk, Russia

Player page

Common russian riichi rating (CRR)

Rating date April 17, 2023 (latest changes April 17, 2023).

49 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 * 0.29 + 600 * 1.20 * 0.71 + 1000 * 1.10 * 1 + 818.18 * 1.10 * 1 + 0) / (1.10 * 0.29 + 1.20 * 0.71 + 1.10 * 1 + 1.10 * 1 + 1) = 633.987047716651

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 = 633.987047716651 * 0.5 + 197.25691021612334 * 0.5 = 415.62197896638713

Rating changes

Show

all results
Date Place Points Reason
2023-03-28 51 -> 49 415.62
2023-03-20 53 -> 51 412.23 -> 415.62
2023-03-06 52 -> 53 412.23
2023-03-05 51 -> 52 415.12 -> 412.23

Winter tournament: 86% -> 71%
2023-03-03 46 -> 51 422.64 -> 415.12

Summer tournament: 43% -> 29%
2023-02-25 44 -> 46 422.64
2023-02-19 47 -> 44 422.64
2023-01-28 49 -> 47 421.54 -> 422.64
2023-01-14 89 -> 49 271.52 -> 421.54

Survive after yakuman: 0% -> 100%
2023-01-05 86 -> 89 278.37 -> 271.52

Winter tournament: 100% -> 86%

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