Grishina Olga

From Moscow, Russia

EMA: 15990379

Player page

Internal rating (RR)

Rating date Nov. 6, 2024 (latest changes Nov. 6, 2024).

16 place (681.14).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85

p1 = (701.15 * 3.75 * 0.57 + 869.16 * 4 * 0.71 + 504.67 * 4.60 * 1 + 509.80 * 3.05 * 1 + 947.37 * 3.85 * 1 + 617.98 * 3.75 * 1) / (3.75 * 0.57 + 4 * 0.71 + 4.60 * 1 + 3.05 * 1 + 3.85 * 1 + 3.75 * 1) = 682.8135378112045

p2 = (947.37 * 3.85 * 1 + 869.16 * 4 * 0.71 + 504.67 * 4.60 * 1 + 617.98 * 3.75 * 1) / max_coefficients = 679.4731861198738

score = 682.8135378112045 * 0.5 + 679.4731861198738 * 0.5 = 681.1433619655392

Rating changes

Show

Date Place Points Reason
2024-11-06 16 674.19 -> 681.14

IX Russian Riichi Championship: 14% -> 0%

2024-11-03 14 -> 16 692.53 -> 674.19

SPB Riichi Open 2023: 86% -> 71%

2024-10-13 14 681.30 -> 692.53

Moscow Riichi 2024: 0% -> 100%

2024-10-11 15 -> 14 691.93 -> 681.30

Money can not buy tenpai: 71% -> 57%

2024-09-06 16 -> 15 684.17 -> 691.93

IX Russian Riichi Championship: 29% -> 14%

2024-09-03 14 -> 16 690.15 -> 684.17

SPB Riichi Open 2023: 100% -> 86%

2024-09-01 25 -> 14 606.63 -> 690.15

SPB Riichi Open 2024: 0% -> 100%

2024-08-11 22 -> 25 617.09 -> 606.63

Money can not buy tenpai: 86% -> 71%

2024-08-04 17 -> 22 629.63 -> 617.09
2024-07-14 15 -> 17 629.63

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 618 2024-10-13 35/90 100% 3.75 RR Moscow Riichi 2024
2 947 2024-09-01 6/96 100% 3.85 RR SPB Riichi Open 2024
3 510 2024-06-09 26/52 100% 3.05 RR Agari Summer Tournament 2024
4 505 2024-05-12 54/108 100% 4.60 RR X Russian Championship
5 869 2023-09-03 15/108 71% 4.00 RR SPB Riichi Open 2023
6 701 2023-06-11 27/88 57% 3.75 RR Money can not buy tenpai
7 200 2022-11-06 61/76 0% 4.20 RR IX Russian Riichi Championship
8 937 2022-06-12 8/112 0% 4.05 RR Moscow Riichi 2022
9 701 2022-03-20 21/68 0% 3.50 RR Tenpai can't buy happiness
10 106 2021-12-19 43/48 0% 3.10 RR Agari team tournament
11 707 2021-11-28 23/76 0% 3.45 RR Saint Petersburg Open 2021
12 323 2020-01-26 22/32 0% 2.70 RR The last chance: back to 2019
13 477 2019-12-15 59/112 0% 4.05 EMA VIII Russian Riichi Championship
14 371 2019-07-21 23/36 0% 3.20 RR Moscow Open Riichi Marathon 2019
15 254 2018-12-16 48/64 0% 3.45 EMA White Dragon Tournament