Chekan Vikmar

Internal rating (RR)

Rating date May 24, 2022 (latest changes April 30, 2022).

54 place (528.21).

max_coefficients = (4.05 * 1 + 3.85 * 1 + 3.50 * 1 + 3.45 * 1) = 14.850000000000001

p1 = (589.74 * 2.90 * 0.29 + 692.31 * 2.90 * 0.71 + 571.43 * 3.45 * 1 + 720.72 * 4.05 * 1 + 0) / (2.90 * 0.29 + 2.90 * 0.71 + 3.45 * 1 + 4.05 * 1 + 1) = 597.6368421052632

p2 = (720.72 * 4.05 * 1 + 571.43 * 3.45 * 1 + 692.31 * 2.90 * 0.71 + 589.74 * 2.90 * 0.29) / max_coefficients = 458.7919191919192

score = 597.6368421052632 * 0.5 + 458.7919191919192 * 0.5 = 528.2143806485913

Rating changes

Show

all results

Date	Place	Points	Reason
2022-04-30	55 -> 54	536.31 -> 528.21	North Cup 2018: 43% -> 29%
2022-03-30	55	547.57 -> 536.31	Summer Cup 2019: 86% -> 71%
2022-03-20	53 -> 55	548.40 -> 547.57
2022-02-28	55 -> 53	553.91 -> 548.40	North Cup 2018: 57% -> 43%
2022-01-30	52 -> 55	564.96 -> 553.91	Summer Cup 2019: 100% -> 86%
2021-12-30	54 -> 52	562.45 -> 564.96	North Cup 2018: 71% -> 57%
2021-12-19	52 -> 54	562.45
2021-11-30	53 -> 52	562.45
2021-11-28	52 -> 53	562.45
2021-11-06	51 -> 52	562.45

Tournaments

#	Base rank	Date	Place	Power	Coefficient	Type	Tournament
1	721	2019-12-15	32/112	100%	4.05	EMA	VIII Russian Riichi Championship
2	571	2019-11-24	28/64	100%	3.45	EMA	Saint Petersburg Open 2019
3	692	2019-06-02	13/40	71%	2.90	RR	Summer Cup 2019
4	590	2018-12-23	17/40	29%	2.90	RR	North Cup 2018
5	677	2018-03-04	11/32	0%	2.70	RR	East Cup 2018
6	108	2017-12-11	75/84	0%	3.40	EMA	VI Russian Riichi Championship 2017
7	1000	2017-10-01	1/40	0%	1.80	RR	Saint Petersburg championship. Northern cup 2017
8	1000	2017-06-03	1/40	0%	1.80	RR	Saint Petersburg championship. West cup 2017
9	977	2017-03-18	2/44	0%	1.90	RR	Saint Petersburg championship. South cup 2017
10	533	2016-04-17	8/16	0%	1.20	RR	Riichi mahjong league tournament 2016 (JPML-A rules)
11	162	2016-03-13	84/100	0%	3.40	RR	"Japanese House" riichi mahjong cup 2016
12	684	2015-11-15	7/20	0%	1.30	RR	Tournament of Saint Petersburg riichi mahjong league