Grishina Olga

From Moscow, Russia

EMA: 15990379

Player page

Common russian riichi rating (CRR)

Rating date June 17, 2023 (latest changes June 17, 2023).

13 place (621.44).

max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 2.80 * 1) = 14.221255

p1 = (706.67 * 3.45 * 0.43 + 106.38 * 3.10 * 0.57 + 701.49 * 3.50 * 0.71 + 936.94 * 4.05 * 0.86 + 200 * 4.20 * 1 + 652.17 * 2.80 * 1 + 701.15 * 3.75 * 1) / (3.45 * 0.43 + 3.10 * 0.57 + 3.50 * 0.71 + 4.05 * 0.86 + 4.20 * 1 + 2.80 * 1 + 3.75 * 1) = 577.5728839087461

p2 = (936.94 * 4.05 * 0.86 + 701.15 * 3.75 * 1 + 652.17 * 2.80 * 1 + 701.49 * 3.50 * 0.71) / max_coefficients = 665.308371166961

score = 577.5728839087461 * 0.5 + 665.308371166961 * 0.5 = 621.4406275378535

Rating changes

Show

all results
Date Place Points Reason
2023-06-12 11 -> 13 631.81 -> 621.44

Moscow Riichi 2022: 100% -> 86%
2023-06-11 14 -> 11 591.86 -> 631.81

Money can not buy tenpai: 0% -> 100%
2023-05-28 11 -> 14 606.76 -> 591.86

Saint Petersburg Open 2021: 57% -> 43%
2023-05-20 10 -> 11 609.63 -> 606.76

Tenpai can't buy happiness: 86% -> 71%
2023-05-06 12 -> 10 609.63
2023-04-19 15 -> 12 603.99 -> 609.63

Agari team tournament: 71% -> 57%
2023-03-28 13 -> 15 618.33 -> 603.99

Saint Petersburg Open 2021: 71% -> 57%
2023-03-20 13 620.61 -> 618.33

Tenpai can't buy happiness: 100% -> 86%
2023-03-06 14 -> 13 620.61
2023-02-25 13 -> 14 620.61

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 701 2023-06-11 27/88 100% 3.75 RR Money can not buy tenpai
2 652 2022-12-18 9/24 100% 2.80 CRR Meeting in the billiard room
3 200 2022-11-06 61/76 100% 4.20 RR IX Russian Riichi Championship
4 937 2022-06-12 8/112 86% 4.05 RR Moscow Riichi 2022
5 701 2022-03-20 21/68 71% 3.50 RR Tenpai can't buy happiness
6 106 2021-12-19 43/48 57% 3.10 RR Agari team tournament
7 707 2021-11-28 23/76 43% 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