Kosolapov Nikita

From Kirov, Russia

Common russian riichi rating (CRR)

Rating date Feb. 1, 2021 (latest changes Feb. 1, 2021).

41 place (485.77).

max_coefficients = (4.05 * 0.86 + 2.90 * 1 + 3.85 * 0.71 + 3.45 * 0.71) = 11.585645

p1 = (736.84 * 2.10 * 0.14 + 782.61 * 2.50 * 0.14 + 409.64 * 4.20 * 0.29 + 200 * 3.20 * 0.43 + 148.15 * 2.60 * 0.57 + 825.40 * 3.85 * 0.71 + 153.15 * 4.05 * 0.86 + 820.51 * 2.90 * 1) / (2.10 * 0.14 + 2.50 * 0.14 + 4.20 * 0.29 + 3.20 * 0.43 + 2.60 * 0.57 + 3.85 * 0.71 + 4.05 * 0.86 + 2.90 * 1) = 481.9146052798005

p2 = (820.51 * 2.90 * 1 + 825.40 * 3.85 * 0.71 + 153.15 * 4.05 * 0.86 + 409.64 * 4.20 * 0.29) / max_coefficients = 489.6188343419809

score = 481.9146052798005 * 0.5 + 489.6188343419809 * 0.5 = 485.7667198108907

Rating changes

Show

all results

Date	Place	Points	Reason
2021-02-01	71 -> 41	493.45 -> 485.77
2020-02-01	71	493.45

Tournaments

#	Base rank	Date	Place	Power	Coefficient	Type	Tournament
1	821	2020-03-08	8/40	100%	2.90	EMA	Big open chiitoitsu in a small tenpai
2	153	2019-12-15	95/112	86%	4.05	EMA	VIII Russian Riichi Championship
3	825	2019-11-04	12/64	71%	3.85	EMA	Aki Shanten 2019
4	148	2019-09-08	24/28	57%	2.60	RR	And yet the sinner collects tanyao
5	200	2019-07-21	29/36	43%	3.20	RR	Moscow Open Riichi Marathon 2019
6	410	2019-05-04	50/84	29%	4.20	EMA	Haru Shanten 2019
7	783	2019-03-09	6/24	14%	2.50	RR	Toi-Toi-man Tournament
8	737	2019-02-10	6/20	14%	2.10	RR	Fuyu Shanten 2019