Grishina Olga

From Moscow, Russia

EMA: 15990379

Player page

Internal rating (RR)

Rating date Aug. 4, 2023 (latest changes Aug. 4, 2023).

13 place (587.46).

max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 3.50 * 0.57) = 13.421155

p1 = (706.67 * 3.45 * 0.29 + 106.38 * 3.10 * 0.43 + 701.49 * 3.50 * 0.57 + 936.94 * 4.05 * 0.86 + 200 * 4.20 * 1 + 701.15 * 3.75 * 1) / (3.45 * 0.29 + 3.10 * 0.43 + 3.50 * 0.57 + 4.05 * 0.86 + 4.20 * 1 + 3.75 * 1) = 569.5701688159496

p2 = (936.94 * 4.05 * 0.86 + 701.15 * 3.75 * 1 + 701.49 * 3.50 * 0.57 + 200 * 4.20 * 1) / max_coefficients = 605.3555003276543

score = 569.5701688159496 * 0.5 + 605.3555003276543 * 0.5 = 587.462834571802

Rating changes

Show

all results
Date Place Points Reason
2023-08-04 82 -> 13 284.81 -> 587.46
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
1 701 2023-06-11 27/88 100% 3.75 RR Money can not buy tenpai Perm
2 200 2022-11-06 61/76 100% 4.20 RR IX Russian Riichi Championship Perm
3 937 2022-06-12 8/112 86% 4.05 RR Moscow Riichi 2022 Moscow
4 701 2022-03-20 21/68 57% 3.50 RR Tenpai can't buy happiness Perm
5 106 2021-12-19 43/48 43% 3.10 RR Agari team tournament Moscow
6 707 2021-11-28 23/76 29% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg
7 323 2020-01-26 22/32 0% 2.70 RR The last chance: back to 2019 Moscow
8 477 2019-12-15 59/112 0% 4.05 EMA VIII Russian Riichi Championship Moscow
9 371 2019-07-21 23/36 0% 3.20 RR Moscow Open Riichi Marathon 2019 Moscow
10 254 2018-12-16 48/64 0% 3.45 EMA White Dragon Tournament Moscow