Dobrynina Irina

From Irkutsk, Russia

Player page

Common russian riichi rating (CRR)

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

45 place (422.64).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 2.80 * 1) = 14.55

p1 = (818.18 * 1.10 * 0.43 + 600 * 1.20 * 0.86 + 1000 * 1.10 * 1 + 818.18 * 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 = 206.3814432989691

score = 638.90697407223 * 0.5 + 206.3814432989691 * 0.5 = 422.64420868559955

Rating changes

Show

all results
Date Place Points Reason
2023-02-19 48 -> 45 422.64
2023-01-28 50 -> 48 421.54 -> 422.64
2023-01-14 90 -> 50 271.52 -> 421.54

Survive after yakuman: 0% -> 100%
2023-01-05 87 -> 90 278.37 -> 271.52

Winter tournament: 100% -> 86%
2023-01-03 67 -> 87 356.01 -> 278.37

Winter tournament: 14% -> 0%

Summer tournament: 57% -> 43%
2022-12-19 67 355.26 -> 356.01
2022-12-18 66 -> 67 355.26
2022-11-28 67 -> 66 353.49 -> 355.26
2022-11-06 51 -> 67 358.22 -> 353.49
2022-11-03 46 -> 51 378.54 -> 358.22

Summer tournament: 71% -> 57%

Winter tournament: 29% -> 14%

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