Grishina Olga

From Moscow, Russia

EMA: 15990379

Player page

Internal rating (RR)

Rating date May 28, 2023 (latest changes May 28, 2023).

13 place (569.03).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.71 + 3.10 * 0.57) = 12.52139

p1 = (706.67 * 3.45 * 0.43 + 106.38 * 3.10 * 0.57 + 701.49 * 3.50 * 0.71 + 936.94 * 4.05 * 1 + 200 * 4.20 * 1) / (3.45 * 0.43 + 3.10 * 0.57 + 3.50 * 0.71 + 4.05 * 1 + 4.20 * 1) = 544.406952541632

p2 = (936.94 * 4.05 * 1 + 701.49 * 3.50 * 0.71 + 706.67 * 3.45 * 0.43 + 200 * 4.20 * 1) / max_coefficients = 593.6473506535617

score = 544.406952541632 * 0.5 + 593.6473506535617 * 0.5 = 569.0271515975969

Rating changes

Show

all results
Date Place Points Reason
2023-05-28 12 -> 13 580.80 -> 569.03

Saint Petersburg Open 2021: 57% -> 43%
2023-05-20 13 -> 12 585.03 -> 580.80

Tenpai can't buy happiness: 86% -> 71%
2023-05-06 14 -> 13 585.03
2023-04-19 14 573.04 -> 585.03

Agari team tournament: 71% -> 57%
2023-03-28 14 582.78 -> 573.04

Saint Petersburg Open 2021: 71% -> 57%
2023-03-20 14 586.59 -> 582.78

Tenpai can't buy happiness: 100% -> 86%
2023-02-19 14 576.59 -> 586.59

Agari team tournament: 86% -> 71%
2023-01-28 15 -> 14 584.54 -> 576.59

Saint Petersburg Open 2021: 86% -> 71%
2022-12-19 16 -> 15 576.08 -> 584.54

Agari team tournament: 100% -> 86%
2022-11-28 15 -> 16 582.75 -> 576.08

Saint Petersburg Open 2021: 100% -> 86%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 200 2022-11-06 61/76 100% 4.20 RR IX Russian Riichi Championship
2 937 2022-06-12 8/112 100% 4.05 RR Moscow Riichi 2022
3 701 2022-03-20 21/68 71% 3.50 RR Tenpai can't buy happiness
4 106 2021-12-19 43/48 57% 3.10 RR Agari team tournament
5 707 2021-11-28 23/76 43% 3.45 RR Saint Petersburg Open 2021
6 323 2020-01-26 22/32 0% 2.70 RR The last chance: back to 2019
7 477 2019-12-15 59/112 0% 4.05 EMA VIII Russian Riichi Championship
8 371 2019-07-21 23/36 0% 3.20 RR Moscow Open Riichi Marathon 2019
9 254 2018-12-16 48/64 0% 3.45 EMA White Dragon Tournament