Grishina Olga

From Moscow, Russia

EMA: 15990379

Player page

Internal rating (RR)

Rating date March 20, 2024 (latest changes March 20, 2024).

8 place (602.15).

max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 4.20 * 0.57) = 13.19988

p1 = (936.94 * 4.05 * 0.29 + 200 * 4.20 * 0.57 + 701.15 * 3.75 * 1 + 869.16 * 4 * 1 + 0) / (4.05 * 0.29 + 4.20 * 0.57 + 3.75 * 1 + 4 * 1 + 1) = 623.2283914027544

p2 = (869.16 * 4 * 1 + 701.15 * 3.75 * 1 + 936.94 * 4.05 * 0.29 + 200 * 4.20 * 0.57) / max_coefficients = 581.0696763909974

score = 623.2283914027544 * 0.5 + 581.0696763909974 * 0.5 = 602.1490338968758

Rating changes

Show

all results
Date Place Points Reason
2024-03-20 7 -> 8 630.20 -> 602.15

Tenpai can't buy happiness: 14% -> 0%
2024-03-10 4 -> 7 678.84 -> 630.20
2024-03-06 4 655.19 -> 678.84

IX Russian Riichi Championship: 71% -> 57%
2024-02-12 4 668.00 -> 655.19

Moscow Riichi 2022: 43% -> 29%
2024-01-20 4 672.67 -> 668.00

Tenpai can't buy happiness: 29% -> 14%
2024-01-06 5 -> 4 647.89 -> 672.67

IX Russian Riichi Championship: 86% -> 71%
2023-12-19 6 -> 5 639.61 -> 647.89

Agari team tournament: 14% -> 0%
2023-12-12 5 -> 6 651.58 -> 639.61

Moscow Riichi 2022: 57% -> 43%
2023-11-28 6 -> 5 652.55 -> 651.58

Saint Petersburg Open 2021: 14% -> 0%
2023-11-20 6 665.56 -> 652.55

Tenpai can't buy happiness: 43% -> 29%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 869 2023-09-03 15/108 100% 4.00 RR SPB Riichi Open 2023
2 701 2023-06-11 27/88 100% 3.75 RR Money can not buy tenpai
3 200 2022-11-06 61/76 57% 4.20 RR IX Russian Riichi Championship
4 937 2022-06-12 8/112 29% 4.05 RR Moscow Riichi 2022
5 701 2022-03-20 21/68 0% 3.50 RR Tenpai can't buy happiness
6 106 2021-12-19 43/48 0% 3.10 RR Agari team tournament
7 707 2021-11-28 23/76 0% 3.45 RR Saint Petersburg Open 2021
8 323 2020-01-26 22/32 0% 2.70 RR The last chance: back to 2019
9 477 2019-12-15 59/112 0% 4.05 EMA VIII Russian Riichi Championship
10 371 2019-07-21 23/36 0% 3.20 RR Moscow Open Riichi Marathon 2019
11 254 2018-12-16 48/64 0% 3.45 EMA White Dragon Tournament