Grishina Olga

From Moscow, Russia

EMA: 15990379

Player page

Internal rating (RR)

Rating date Sept. 3, 2024 (latest changes Sept. 3, 2024).

16 place (684.17).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284

p1 = (200 * 4.20 * 0.29 + 701.15 * 3.75 * 0.71 + 869.16 * 4 * 0.86 + 504.67 * 4.60 * 1 + 509.80 * 3.05 * 1 + 947.37 * 3.85 * 1) / (4.20 * 0.29 + 3.75 * 0.71 + 4 * 0.86 + 4.60 * 1 + 3.05 * 1 + 3.85 * 1) = 671.1183861936256

p2 = (947.37 * 3.85 * 1 + 869.16 * 4 * 0.86 + 504.67 * 4.60 * 1 + 701.15 * 3.75 * 0.71) / max_coefficients = 697.2263723242576

score = 671.1183861936256 * 0.5 + 697.2263723242576 * 0.5 = 684.1723792589416

Rating changes

Show

Date Place Points Reason
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
2024-07-06 17 -> 15 622.19 -> 629.63

IX Russian Riichi Championship: 43% -> 29%

2024-06-11 17 630.21 -> 622.19

Money can not buy tenpai: 100% -> 86%

2024-06-09 15 -> 17 607.94 -> 630.21

Agari Summer Tournament 2024: 0% -> 100%

2024-05-12 11 -> 15 586.50 -> 607.94

X Russian Championship: 0% -> 100%

2024-05-06 13 -> 11 573.89 -> 586.50

IX Russian Riichi Championship: 57% -> 43%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 947 2024-09-01 6/96 100% 3.85 RR SPB Riichi Open 2024
2 510 2024-06-09 26/52 100% 3.05 RR Agari Summer Tournament 2024
3 505 2024-05-12 54/108 100% 4.60 RR X Russian Championship
4 869 2023-09-03 15/108 86% 4.00 RR SPB Riichi Open 2023
5 701 2023-06-11 27/88 71% 3.75 RR Money can not buy tenpai
6 200 2022-11-06 61/76 29% 4.20 RR IX Russian Riichi Championship
7 937 2022-06-12 8/112 0% 4.05 RR Moscow Riichi 2022
8 701 2022-03-20 21/68 0% 3.50 RR Tenpai can't buy happiness
9 106 2021-12-19 43/48 0% 3.10 RR Agari team tournament
10 707 2021-11-28 23/76 0% 3.45 RR Saint Petersburg Open 2021
11 323 2020-01-26 22/32 0% 2.70 RR The last chance: back to 2019
12 477 2019-12-15 59/112 0% 4.05 EMA VIII Russian Riichi Championship
13 371 2019-07-21 23/36 0% 3.20 RR Moscow Open Riichi Marathon 2019
14 254 2018-12-16 48/64 0% 3.45 EMA White Dragon Tournament