Bogatikov Aleksander

From Moscow, Russia

Internal rating (RR)

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

68 place (302.39).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 3.45 * 0.57) = 13.22118

p1 = (160 * 3.45 * 0.57 + 27.03 * 4.05 * 1 + 813.33 * 4.20 * 1 + 0 + 0) / (3.45 * 0.57 + 4.05 * 1 + 4.20 * 1 + 1 + 1) = 314.2759421437765

p2 = (813.33 * 4.20 * 1 + 160 * 3.45 * 0.57 + 27.03 * 4.05 * 1) / max_coefficients = 290.5088653206446

score = 314.2759421437765 * 0.5 + 290.5088653206446 * 0.5 = 302.39240373221054

all results

Date	Place	Points	Reason
2023-05-05	107 -> 68	378.88 -> 302.39
2020-02-01	107	378.88

#	Base rank	Date	Place	Power	Coefficient	Type	Tournament	City
1	813	2022-11-06	15/76	100%	4.20	RR	IX Russian Riichi Championship	Perm
2	27	2022-06-12	109/112	100%	4.05	RR	Moscow Riichi 2022	Moscow
3	160	2021-11-28	64/76	57%	3.45	RR	Saint Petersburg Open 2021	Saint Petersburg
4	757	2019-12-15	28/112	0%	4.05	EMA	VIII Russian Riichi Championship	Moscow
5	524	2018-12-16	31/64	0%	3.45	EMA	White Dragon Tournament	Moscow
6	218	2016-09-11	69/88	0%	3.45	EMA	V Russian Riichi Championship 2016	Moscow
7	788	2016-03-13	22/100	0%	3.40	RR	"Japanese House" riichi mahjong cup 2016	Moscow
8	373	2015-10-18	33/52	0%	2.90	EMA	Russian Open Riichi Championship 2015	Vologda
9	257	2015-08-22	27/36	0%	1.70	EMA	Nizhny Novgorod Riichi Championship 2015	Nizhny Novgorod
10	512	2015-03-08	22/44	0%	2.50	EMA	Moscow Riichi Championship 2015	Moscow
11	0	2014-12-07	64/64	0%	3.15	EMA	Russian Open Riichi Championship 2014	Moscow
12	130	2014-10-18	21/24	0%	1.40	EMA	Vologda Riichi Championship 2014	Vologda
13	206	2014-09-21	51/64	0%	3.15	RR	"Japanese House" riichi mahjong cup 2014	Moscow
14	533	2014-06-29	8/16	0%	1.20	RR	"Haku no Ten" summer riichi mahjong tournament 2014	Vologda
15	493	2014-02-15	39/76	0%	2.50	RR	Moscow Riichi 2014	Moscow
16	254	2013-12-08	54/72	0%	3.25	EMA	Russian Riichi Championship 2013	Moscow
17	545	2013-05-19	26/56	0%	3.00	RR	"Japanese House" riichi mahjong cup 2013	Moscow