Dobrynina Irina

From Irkutsk, Russia

Player page

Common russian riichi rating (CRR)

Rating date Jan. 6, 2023 (latest changes Jan. 6, 2023).

90 place (271.52).

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 + 0 + 0) / (1.10 * 0.43 + 1.20 * 0.86 + 1.10 * 1 + 1 + 1) = 413.6648420210522

p2 = (818.18 * 1.10 * 1 + 600 * 1.20 * 0.86 + 818.18 * 1.10 * 0.43) / max_coefficients = 129.38401080574246

score = 413.6648420210522 * 0.5 + 129.38401080574246 * 0.5 = 271.52442641339735

Rating changes

Show

all results
Date Place Points Reason
2023-01-05 87 -> 90 278.37 -> 271.52

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

Summer tournament: 57% -> 43%

Winter tournament: 14% -> 0%
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%
2022-09-03 45 -> 46 397.40 -> 378.54

Winter tournament: 43% -> 29%

Summer tournament: 86% -> 71%
2022-08-27 42 -> 45 397.40
2022-07-09 64 -> 42 275.71 -> 397.40

Summer tournament: 0% -> 100%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 818 2022-07-09 3/12 100% 1.10 CRR Summer tournament
2 600 2022-01-05 7/16 86% 1.20 CRR Winter tournament
3 818 2021-07-03 3/12 43% 1.10 CRR Summer tournament
4 867 2021-01-03 3/16 0% 1.20 CRR Winter tournament
5 91 2019-03-03 11/12 0% 1.10 CRR Spring Tournament
6 909 2018-12-02 2/12 0% 1.10 CRR Irkutsk Winter Tournament
7 818 2018-09-09 3/12 0% 1.10 CRR Summer Tournament