Kosolapov Nikita

From Kirov, Russia

Common russian riichi rating (CRR)

Rating date Sept. 20, 2023 (latest changes Sept. 20, 2023).

117 place (275.59).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915

p1 = (836.36 * 3.30 * 0.14 + 466.67 * 1.20 * 0.86 + 482.76 * 3.75 * 1 + 0 + 0) / (3.30 * 0.14 + 1.20 * 0.86 + 3.75 * 1 + 1 + 1) = 370.30161004897866

p2 = (482.76 * 3.75 * 1 + 466.67 * 1.20 * 0.86 + 836.36 * 3.30 * 0.14) / max_coefficients = 180.87552209252698

score = 370.30161004897866 * 0.5 + 180.87552209252698 * 0.5 = 275.5885660707528

all results

Date	Place	Points	Reason
2023-09-20	120 -> 117	275.59
2023-09-06	111 -> 120	303.09 -> 275.59	Kirov Tournament: 29% -> 14%
2023-09-03	89 -> 111	312.21 -> 303.09
2023-08-27	87 -> 89	312.21
2023-08-20	85 -> 87	315.88 -> 312.21	I still can declare riichi: 100% -> 86%
2023-08-12	87 -> 85	311.17 -> 315.88
2023-07-20	88 -> 87	311.17
2023-07-06	82 -> 88	337.33 -> 311.17	Kirov Tournament: 43% -> 29%
2023-07-03	83 -> 82	337.33
2023-06-19	84 -> 83	337.33

#	Base rank	Date	Place	Power	Coefficient	Type	Tournament
1	483	2023-06-11	46/88	100%	3.75	RR	Money can not buy tenpai
2	467	2022-08-20	9/16	86%	1.20	CRR	I still can declare riichi
3	836	2021-11-06	10/56	14%	3.30	RR	Kirov Tournament
4	821	2020-03-08	8/40	0%	2.90	EMA	Big open chiitoitsu in a small tenpai
5	153	2019-12-15	95/112	0%	4.05	EMA	VIII Russian Riichi Championship
6	825	2019-11-04	12/64	0%	3.85	EMA	Aki Shanten 2019
7	148	2019-09-08	24/28	0%	2.60	RR	And yet the sinner collects tanyao
8	200	2019-07-21	29/36	0%	3.20	RR	Moscow Open Riichi Marathon 2019
9	410	2019-05-04	50/84	0%	4.20	EMA	Haru Shanten 2019
10	783	2019-03-09	6/24	0%	2.50	RR	Toi-Toi-man Tournament
11	737	2019-02-10	6/20	0%	2.10	RR	Fuyu Shanten 2019