Grishina Olga

From Moscow, Russia

EMA: 15990379

Player page

Common russian riichi rating (CRR)

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

15 place (603.99).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 2.80 * 1) = 14.04985

p1 = (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 + 652.17 * 2.80 * 1) / (3.45 * 0.57 + 3.10 * 0.71 + 3.50 * 0.86 + 4.05 * 1 + 4.20 * 1 + 2.80 * 1) = 559.0021885869932

p2 = (936.94 * 4.05 * 1 + 701.49 * 3.50 * 0.86 + 652.17 * 2.80 * 1 + 706.67 * 3.45 * 0.57) / max_coefficients = 648.9834411043536

score = 559.0021885869932 * 0.5 + 648.9834411043536 * 0.5 = 603.9928148456734

Rating changes

Show

all results
Date Place Points Reason
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
2023-02-19 15 -> 13 615.44 -> 620.61

Agari team tournament: 86% -> 71%
2023-01-28 14 -> 15 625.51 -> 615.44

Saint Petersburg Open 2021: 86% -> 71%
2022-12-19 15 -> 14 617.31 -> 625.51

Agari team tournament: 100% -> 86%
2022-12-18 19 -> 15 576.08 -> 617.31

Meeting in the billiard room: 0% -> 100%
2022-11-28 18 -> 19 582.75 -> 576.08

Saint Petersburg Open 2021: 100% -> 86%
2022-11-06 13 -> 18 613.90 -> 582.75

IX Russian Riichi Championship: 0% -> 100%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 652 2022-12-18 9/24 100% 2.80 CRR Meeting in the billiard room
2 200 2022-11-06 61/76 100% 4.20 RR IX Russian Riichi Championship
3 937 2022-06-12 8/112 100% 4.05 RR Moscow Riichi 2022
4 701 2022-03-20 21/68 86% 3.50 RR Tenpai can't buy happiness
5 106 2021-12-19 43/48 71% 3.10 RR Agari team tournament
6 707 2021-11-28 23/76 57% 3.45 RR Saint Petersburg Open 2021
7 323 2020-01-26 22/32 0% 2.70 RR The last chance: back to 2019
8 477 2019-12-15 59/112 0% 4.05 EMA VIII Russian Riichi Championship
9 371 2019-07-21 23/36 0% 3.20 RR Moscow Open Riichi Marathon 2019
10 254 2018-12-16 48/64 0% 3.45 EMA White Dragon Tournament