Grishina Olga

From Moscow, Russia

EMA: 15990379

Player page

Internal rating (RR)

Rating date Oct. 25, 2022 (latest changes Oct. 25, 2022).

11 place (613.90).

max_coefficients = (4.05 * 1 + 3.50 * 1 + 3.45 * 1 + 3.30 * 1) = 14.3

p1 = (706.67 * 3.45 * 1 + 106.38 * 3.10 * 1 + 701.49 * 3.50 * 1 + 936.94 * 4.05 * 1 + 0) / (3.45 * 1 + 3.10 * 1 + 3.50 * 1 + 4.05 * 1 + 1) = 597.1920529801324

p2 = (936.94 * 4.05 * 1 + 701.49 * 3.50 * 1 + 706.67 * 3.45 * 1 + 106.38 * 3.10 * 1) / max_coefficients = 630.6013986013986

score = 597.1920529801324 * 0.5 + 630.6013986013986 * 0.5 = 613.8967257907655

Rating changes

Show

all results
Date Place Points Reason
2022-10-14 82 -> 11 284.81 -> 613.90
2021-02-01 125 -> 82 323.12 -> 284.81
2020-02-01 125 323.12

Tournaments

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