Grishina Olga

From Moscow, Russia

Common russian riichi rating (CRR)

Rating date Nov. 21, 2022 (latest changes Nov. 21, 2022).

17 place (582.75).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.45 * 1) = 15.2

p1 = (706.67 * 3.45 * 1 + 106.38 * 3.10 * 1 + 701.49 * 3.50 * 1 + 936.94 * 4.05 * 1 + 200 * 4.20 * 1) / (3.45 * 1 + 3.10 * 1 + 3.50 * 1 + 4.05 * 1 + 4.20 * 1) = 538.6666666666666

p2 = (936.94 * 4.05 * 1 + 701.49 * 3.50 * 1 + 706.67 * 3.45 * 1 + 200 * 4.20 * 1) / max_coefficients = 626.8296052631579

score = 538.6666666666666 * 0.5 + 626.8296052631579 * 0.5 = 582.7481359649123

Rating changes

Show

all results

Date	Place	Points	Reason
2022-11-06	12 -> 17	613.90 -> 582.75	IX Russian Riichi Championship: 0% -> 100%
2022-11-05	90 -> 12	284.81 -> 613.90
2021-02-01	142 -> 90	323.12 -> 284.81
2020-02-01	142	323.12

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	100%	3.50	RR	Tenpai can't buy happiness
4	106	2021-12-19	43/48	100%	3.10	RR	Agari team tournament
5	707	2021-11-28	23/76	100%	3.45	RR	Saint Petersburg Open 2021
6	323	2020-01-26	22/32	0%	2.70	RR	The last chance: back to 2019
7	477	2019-12-15	59/112	0%	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