Grishina Olga

From Moscow, Russia

EMA: 15990379

Player page

Internal rating (RR)

Rating date March 31, 2023 (latest changes March 30, 2023).

26 place (563.78).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 3.10 * 0.71) = 13.46418

p1 = (477.48 * 4.05 * 0.29 + 322.58 * 2.70 * 0.43 + 706.67 * 3.45 * 0.57 + 106.38 * 3.10 * 0.71 + 701.49 * 3.50 * 0.86 + 936.94 * 4.05 * 1 + 200 * 4.20 * 1) / (4.05 * 0.29 + 2.70 * 0.43 + 3.45 * 0.57 + 3.10 * 0.71 + 3.50 * 0.86 + 4.05 * 1 + 4.20 * 1) = 523.5761612163283

p2 = (936.94 * 4.05 * 1 + 701.49 * 3.50 * 0.86 + 706.67 * 3.45 * 0.57 + 200 * 4.20 * 1) / max_coefficients = 603.9751399639636

score = 523.5761612163283 * 0.5 + 603.9751399639636 * 0.5 = 563.7756505901459

Rating changes

Show

Date Place Points Reason
2023-03-30 28 -> 26 560.99 -> 563.78

Moscow Open Riichi Marathon 2019: 14% -> 0%

The last chance: back to 2019: 57% -> 43%

VIII Russian Riichi Championship: 43% -> 29%

2023-03-28 27 -> 28 570.61 -> 560.99

Saint Petersburg Open 2021: 71% -> 57%

2023-03-20 25 -> 27 574.34 -> 570.61

Tenpai can't buy happiness: 100% -> 86%

2023-03-06 25 572.57 -> 574.34
2023-02-19 27 -> 25 563.93 -> 572.57

Agari team tournament: 86% -> 71%

2023-01-30 29 -> 27 569.46 -> 563.93

Moscow Open Riichi Marathon 2019: 29% -> 14%

The last chance: back to 2019: 71% -> 57%

VIII Russian Riichi Championship: 57% -> 43%

2023-01-28 28 -> 29 577.04 -> 569.46

Saint Petersburg Open 2021: 86% -> 71%

2023-01-06 29 -> 28 577.04
2022-12-30 30 -> 29 577.04
2022-12-19 33 -> 30 570.04 -> 577.04

Agari team tournament: 100% -> 86%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 200 2022-11-06 61/76 100% 4.20 RR IX Russian Riichi Championship
2 937 2022-06-12 8/112 100% 4.05 RR Moscow Riichi 2022
3 701 2022-03-20 21/68 86% 3.50 RR Tenpai can't buy happiness
4 106 2021-12-19 43/48 71% 3.10 RR Agari team tournament
5 707 2021-11-28 23/76 57% 3.45 RR Saint Petersburg Open 2021
6 323 2020-01-26 22/32 43% 2.70 RR The last chance: back to 2019
7 477 2019-12-15 59/112 29% 4.05 EMA VIII Russian Riichi Championship
8 371 2019-07-21 23/36 0% 3.20 RR Moscow Open Riichi Marathon 2019
9 254 2018-12-16 48/64 0% 3.45 EMA White Dragon Tournament