Kotova Velena

From Izhevsk, Russia

Internal rating (RR)

Rating date Dec. 19, 2022 (latest changes Dec. 19, 2022).

41 place (429.40).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.45 * 0.86) = 14.706995

p1 = (447.76 * 3.50 * 1 + 893.33 * 4.20 * 1 + 0 + 0 + 0) / (3.50 * 1 + 4.20 * 1 + 1 + 1 + 1) = 497.11775700934584

p2 = (893.33 * 4.20 * 1 + 447.76 * 3.50 * 1) / max_coefficients = 361.6755156304874

score = 497.11775700934584 * 0.5 + 361.6755156304874 * 0.5 = 429.39663631991664

all results

Date	Place	Points	Reason
2022-12-19	43 -> 41	427.66 -> 429.40
2022-11-28	45 -> 43	423.53 -> 427.66
2022-11-06	127 -> 45	322.92 -> 423.53	IX Russian Riichi Championship: 0% -> 100%
2020-02-01	127	322.92

#	Base rank	Date	Place	Power	Coefficient	Type	Tournament
1	893	2022-11-06	9/76	100%	4.20	RR	IX Russian Riichi Championship
2	448	2022-03-20	38/68	100%	3.50	RR	Tenpai can't buy happiness
3	133	2018-12-02	14/16	0%	2.30	RR	Arkhangelsk Championship
4	452	2018-10-28	18/32	0%	2.70	EMA	Tsukimi 2018
5	887	2018-06-11	9/72	0%	3.55	EMA	RCR Saint Petersburg South Cup 2018
6	718	2018-05-01	21/72	0%	3.85	EMA	Haru Shanten 2018
7	667	2017-10-22	22/64	0%	3.45	EMA	Moscow Riichi Open 2017
8	0	2016-03-13	100/100	0%	3.40	RR	"Japanese House" riichi mahjong cup 2016
9	795	2016-02-22	9/40	0%	2.60	EMA	Ivanovo Region Riichi Championship 2016
10	137	2015-10-18	45/52	0%	2.90	EMA	Russian Open Riichi Championship 2015
11	67	2015-07-12	15/16	0%	1.20	RR	"Haku no Ten" summer riichi mahjong tournament 2015
12	895	2015-04-05	3/20	0%	1.30	RR	"Haku no Ten" autumn riichi mahjong tournament 2015
13	87	2014-10-18	22/24	0%	1.40	EMA	Vologda Riichi Championship 2014
14	175	2014-09-21	53/64	0%	3.15	RR	"Japanese House" riichi mahjong cup 2014
15	333	2014-06-29	11/16	0%	1.20	RR	"Haku no Ten" summer riichi mahjong tournament 2014
16	267	2014-02-15	56/76	0%	2.50	RR	Moscow Riichi 2014
17	366	2013-12-08	46/72	0%	3.25	EMA	Russian Riichi Championship 2013
18	733	2013-03-31	5/16	0%	1.00	RR	"Haku no Ten" spring riichi mahjong tournament 2013