Dobrynina Irina

From Irkutsk, Russia

Player page

Common russian riichi rating (CRR)

Rating date March 28, 2024 (latest changes March 20, 2024).

128 place (196.93).

max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.90 * 1) = 13.700000000000001

p1 = (818.18 * 1.10 * 0.29 + 1000 * 1.10 * 0.71 + 200 * 1 * 1 + 0 + 0) / (1.10 * 0.29 + 1.10 * 0.71 + 1 * 1 + 1 + 1) = 303.1365853658537

p2 = (1000 * 1.10 * 0.71 + 818.18 * 1.10 * 0.29 + 200 * 1 * 1) / max_coefficients = 90.71970802919708

score = 303.1365853658537 * 0.5 + 90.71970802919708 * 0.5 = 196.9281466975254

Rating changes

Show

Date Place Points Reason
2024-03-20 134 -> 128 196.93
2024-03-14 126 -> 134 215.52 -> 196.93

Survive after yakuman: 86% -> 71%

2024-03-10 124 -> 126 218.06 -> 215.52
2024-03-09 119 -> 124 231.70 -> 218.06

Summer tournament: 43% -> 29%

2024-03-06 119 229.13 -> 231.70
2024-02-27 118 -> 119 229.13
2024-02-25 116 -> 118 229.13
2024-02-17 117 -> 116 229.13
2024-02-12 118 -> 117 229.13
2024-01-20 121 -> 118 229.13

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 200 2023-05-01 13/16 100% 1.00 CRR Spring Tournament Irkutsk 2023
2 1000 2023-01-14 1/12 71% 1.10 CRR Survive after yakuman
3 818 2022-07-09 3/12 29% 1.10 CRR Summer tournament
4 600 2022-01-05 7/16 0% 1.20 CRR Winter tournament
5 818 2021-07-03 3/12 0% 1.10 CRR Summer tournament
6 867 2021-01-03 3/16 0% 1.20 CRR Winter tournament
7 91 2019-03-03 11/12 0% 1.10 CRR Spring Tournament
8 909 2018-12-02 2/12 0% 1.10 CRR Irkutsk Winter Tournament
9 818 2018-09-09 3/12 0% 1.10 CRR Summer Tournament