Grishina Olga

From Moscow, Russia

EMA: 15990379

Player page

Internal rating (RR)

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

13 place (585.03).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 3.45 * 0.57) = 13.22118

p1 = (706.67 * 3.45 * 0.57 + 106.38 * 3.10 * 0.57 + 701.49 * 3.50 * 0.86 + 936.94 * 4.05 * 1 + 200 * 4.20 * 1) / (3.45 * 0.57 + 3.10 * 0.57 + 3.50 * 0.86 + 4.05 * 1 + 4.20 * 1) = 554.9747474073739

p2 = (936.94 * 4.05 * 1 + 701.49 * 3.50 * 0.86 + 706.67 * 3.45 * 0.57 + 200 * 4.20 * 1) / max_coefficients = 615.0759614497345

score = 554.9747474073739 * 0.5 + 615.0759614497345 * 0.5 = 585.0253544285542

Rating changes

Show

all results
Date Place Points Reason
2023-05-06 14 -> 13 585.03
2023-05-05 82 -> 14 284.81 -> 585.03
2021-02-01 125 -> 82 323.12 -> 284.81
2020-02-01 125 323.12

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 200 2022-11-06 61/76 100% 4.20 RR IX Russian Riichi Championship Perm
2 937 2022-06-12 8/112 100% 4.05 RR Moscow Riichi 2022 Moscow
3 701 2022-03-20 21/68 86% 3.50 RR Tenpai can't buy happiness Perm
4 106 2021-12-19 43/48 57% 3.10 RR Agari team tournament Moscow
5 707 2021-11-28 23/76 57% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg
6 323 2020-01-26 22/32 0% 2.70 RR The last chance: back to 2019 Moscow
7 477 2019-12-15 59/112 0% 4.05 EMA VIII Russian Riichi Championship Moscow
8 371 2019-07-21 23/36 0% 3.20 RR Moscow Open Riichi Marathon 2019 Moscow
9 254 2018-12-16 48/64 0% 3.45 EMA White Dragon Tournament Moscow