Dobrynina Irina

From Irkutsk, Russia

Player page

Common russian riichi rating (CRR)

Rating date Jan. 14, 2023 (latest changes Jan. 14, 2023).

49 place (421.54).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.45 * 0.86) = 14.706995

p1 = (818.18 * 1.10 * 0.43 + 600 * 1.20 * 0.86 + 818.18 * 1.10 * 1 + 1000 * 1.10 * 1 + 0) / (1.10 * 0.43 + 1.20 * 0.86 + 1.10 * 1 + 1.10 * 1 + 1) = 638.90697407223

p2 = (1000 * 1.10 * 1 + 818.18 * 1.10 * 1 + 600 * 1.20 * 0.86 + 818.18 * 1.10 * 0.43) / max_coefficients = 204.17835186589787

score = 638.90697407223 * 0.5 + 204.17835186589787 * 0.5 = 421.54266296906394

Rating changes

Show

all results
Date Place Points Reason
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%
2023-01-03 66 -> 86 356.01 -> 278.37

Winter tournament: 14% -> 0%

Summer tournament: 57% -> 43%
2022-12-19 66 355.26 -> 356.01
2022-12-18 65 -> 66 355.26
2022-12-03 134 -> 65 166.48 -> 355.26
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 86% 1.20 CRR Winter tournament
4 818 2021-07-03 3/12 43% 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