Grishina Olga

From Moscow, Russia

Common russian riichi rating (CRR)

Rating date May 6, 2023 (latest changes May 6, 2023).

10 place (609.63).

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 * 0.57 + 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 * 0.57 + 3.50 * 0.86 + 4.05 * 1 + 4.20 * 1 + 2.80 * 1) = 570.271102688096

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 = 570.271102688096 * 0.5 + 648.9834411043536 * 0.5 = 609.6272718962248

Rating changes

Show

all results

Date	Place	Points	Reason
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
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%

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	57%	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