Grishina Olga

From Moscow, Russia

EMA: 15990379

Player page

Internal rating (RR)

Rating date Jan. 20, 2024 (latest changes Jan. 20, 2024).

4 place (668.00).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 4.05 * 0.43) = 12.485890000000001

p1 = (701.49 * 3.50 * 0.14 + 936.94 * 4.05 * 0.43 + 200 * 4.20 * 0.71 + 701.15 * 3.75 * 1 + 869.16 * 4 * 1) / (3.50 * 0.14 + 4.05 * 0.43 + 4.20 * 0.71 + 3.75 * 1 + 4 * 1) = 668.6541855715831

p2 = (869.16 * 4 * 1 + 701.15 * 3.75 * 1 + 936.94 * 4.05 * 0.43 + 200 * 4.20 * 0.71) / max_coefficients = 667.3388921414492

score = 668.6541855715831 * 0.5 + 667.3388921414492 * 0.5 = 667.996538856516

Rating changes

Show

all results
Date Place Points Reason
2024-01-20 4 672.67 -> 668.00

Tenpai can't buy happiness: 29% -> 14%
2024-01-06 5 -> 4 647.89 -> 672.67

IX Russian Riichi Championship: 86% -> 71%
2023-12-19 6 -> 5 639.61 -> 647.89

Agari team tournament: 14% -> 0%
2023-12-12 5 -> 6 651.58 -> 639.61

Moscow Riichi 2022: 57% -> 43%
2023-11-28 6 -> 5 652.55 -> 651.58

Saint Petersburg Open 2021: 14% -> 0%
2023-11-20 6 665.56 -> 652.55

Tenpai can't buy happiness: 43% -> 29%
2023-11-06 9 -> 6 643.14 -> 665.56

IX Russian Riichi Championship: 100% -> 86%
2023-10-19 10 -> 9 636.35 -> 643.14

Agari team tournament: 29% -> 14%
2023-10-12 9 -> 10 647.06 -> 636.35

Moscow Riichi 2022: 71% -> 57%
2023-09-28 9 648.11 -> 647.06

Saint Petersburg Open 2021: 29% -> 14%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 869 2023-09-03 15/108 100% 4.00 RR SPB Riichi Open 2023
2 701 2023-06-11 27/88 100% 3.75 RR Money can not buy tenpai
3 200 2022-11-06 61/76 71% 4.20 RR IX Russian Riichi Championship
4 937 2022-06-12 8/112 43% 4.05 RR Moscow Riichi 2022
5 701 2022-03-20 21/68 14% 3.50 RR Tenpai can't buy happiness
6 106 2021-12-19 43/48 0% 3.10 RR Agari team tournament
7 707 2021-11-28 23/76 0% 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