Grishina Olga

From Moscow, Russia

EMA: 15990379

Player page

Internal rating (RR)

Rating date June 8, 2025 (latest changes June 8, 2025).

34 place (634.71).

max_coefficients = (4.60 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.19266

p1 = (701.15 * 3.75 * 0.14 + 869.16 * 4 * 0.29 + 504.67 * 4.60 * 0.86 + 509.80 * 3.05 * 1 + 947.37 * 3.85 * 1 + 617.98 * 3.75 * 1 + 509.80 * 3.05 * 1) / (3.75 * 0.14 + 4 * 0.29 + 4.60 * 0.86 + 3.05 * 1 + 3.85 * 1 + 3.75 * 1 + 3.05 * 1) = 643.5031533794119

p2 = (947.37 * 3.85 * 1 + 617.98 * 3.75 * 1 + 504.67 * 4.60 * 0.86 + 509.80 * 3.05 * 1) / max_coefficients = 625.9233077025353

score = 643.5031533794119 * 0.5 + 625.9233077025353 * 0.5 = 634.7132305409737

Rating changes

Show

all results
Date Place Points Reason
2025-05-12 34 629.92 -> 634.71

X Russian Championship: 100% -> 86%
2025-05-10 33 -> 34 629.92
2025-05-03 27 -> 33 633.12 -> 629.92

SPB Riichi Open 2023: 43% -> 29%
2025-04-26 26 -> 27 633.12
2025-04-11 26 633.83 -> 633.12

Money can not buy tenpai: 29% -> 14%
2025-03-30 27 -> 26 633.83
2025-03-03 27 650.38 -> 633.83

SPB Riichi Open 2023: 57% -> 43%
2025-02-16 23 -> 27 650.38
2025-02-11 24 -> 23 650.96 -> 650.38

Money can not buy tenpai: 43% -> 29%
2025-02-02 20 -> 24 662.43 -> 650.96

Agari Winter Tournament 2025: 0% -> 100%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 510 2025-02-02 26/52 100% 3.05 RR Agari Winter Tournament 2025 Moscow
2 618 2024-10-13 35/90 100% 3.75 RR Moscow Riichi 2024 Moscow
3 947 2024-09-01 6/96 100% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
4 510 2024-06-09 26/52 100% 3.05 RR Agari Summer Tournament 2024 Moscow
5 505 2024-05-12 54/108 86% 4.60 RR X Russian Championship Perm
6 869 2023-09-03 15/108 29% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
7 701 2023-06-11 27/88 14% 3.75 RR Money can not buy tenpai Perm
8 200 2022-11-06 61/76 0% 4.20 RR IX Russian Riichi Championship Perm
9 937 2022-06-12 8/112 0% 4.05 RR Moscow Riichi 2022 Moscow
10 701 2022-03-20 21/68 0% 3.50 RR Tenpai can't buy happiness Perm
11 106 2021-12-19 43/48 0% 3.10 RR Agari team tournament Moscow
12 707 2021-11-28 23/76 0% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg
13 323 2020-01-26 22/32 0% 2.70 RR The last chance: back to 2019 Moscow
14 477 2019-12-15 59/112 0% 4.05 EMA VIII Russian Riichi Championship Moscow
15 371 2019-07-21 23/36 0% 3.20 RR Moscow Open Riichi Marathon 2019 Moscow
16 254 2018-12-16 48/64 0% 3.45 EMA White Dragon Tournament Moscow