Grishina Olga

From Moscow, Russia

EMA: 15990379

Player page

Common russian riichi rating (CRR)

Rating date Dec. 19, 2022 (latest changes Dec. 19, 2022).

14 place (625.51).

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

p1 = (706.67 * 3.45 * 0.86 + 106.38 * 3.10 * 0.86 + 701.49 * 3.50 * 1 + 200 * 4.20 * 1 + 936.94 * 4.05 * 1 + 652.17 * 2.80 * 1) / (3.45 * 0.86 + 3.10 * 0.86 + 3.50 * 1 + 4.20 * 1 + 4.05 * 1 + 2.80 * 1) = 559.8178536456422

p2 = (936.94 * 4.05 * 1 + 701.49 * 3.50 * 1 + 706.67 * 3.45 * 0.86 + 652.17 * 2.80 * 1) / max_coefficients = 691.2023836276547

score = 559.8178536456422 * 0.5 + 691.2023836276547 * 0.5 = 625.5101186366485

Rating changes

Show

all results
Date Place Points Reason
2022-12-19 15 -> 14 617.31 -> 625.51

Agari team tournament: 100% -> 86%
2022-12-18 19 -> 15 576.08 -> 617.31

Meeting in the billiard room: 0% -> 100%
2022-11-28 18 -> 19 582.75 -> 576.08

Saint Petersburg Open 2021: 100% -> 86%
2022-11-06 13 -> 18 613.90 -> 582.75

IX Russian Riichi Championship: 0% -> 100%
2022-08-27 12 -> 13 613.90
2022-06-12 24 -> 12 412.34 -> 613.90

Moscow Riichi 2022: 0% -> 100%
2022-05-07 91 -> 24 284.81 -> 412.34
2021-02-01 143 -> 91 323.12 -> 284.81
2020-02-01 143 323.12

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 652 2022-12-18 9/24 100% 2.80 CRR Meeting in the billiard room
2 200 2022-11-06 61/76 100% 4.20 RR IX Russian Riichi Championship
3 937 2022-06-12 8/112 100% 4.05 RR Moscow Riichi 2022
4 701 2022-03-20 21/68 100% 3.50 RR Tenpai can't buy happiness
5 106 2021-12-19 43/48 86% 3.10 RR Agari team tournament
6 707 2021-11-28 23/76 86% 3.45 RR Saint Petersburg Open 2021
7 323 2020-01-26 22/32 0% 2.70 RR The last chance: back to 2019
8 477 2019-12-15 59/112 0% 4.05 EMA VIII Russian Riichi Championship
9 371 2019-07-21 23/36 0% 3.20 RR Moscow Open Riichi Marathon 2019
10 254 2018-12-16 48/64 0% 3.45 EMA White Dragon Tournament