Kalinin Ivan

Common russian riichi rating (CRR)

Rating date Oct. 13, 2025 (latest changes Oct. 13, 2025).

50 place (573.44).

max_coefficients = (4.10 * 1 + 3.50 * 1 + 3.45 * 1 + 3.85 * 0.86) = 14.349835

p1 = (842.11 * 3.85 * 0.86 + 913.04 * 2.20 * 0.86 + 870.97 * 2.40 * 1 + 0 + 0) / (3.85 * 0.86 + 2.20 * 0.86 + 2.40 * 1 + 1 + 1) = 687.5813406875313

p2 = (842.11 * 3.85 * 0.86 + 870.97 * 2.40 * 1 + 913.04 * 2.20 * 0.86) / max_coefficients = 459.29308594837505

score = 687.5813406875313 * 0.5 + 459.29308594837505 * 0.5 = 573.4372133179531

all results

Date	Place	Points	Reason
2025-10-13	50	566.45 -> 573.44
2025-10-09	52 -> 50	566.45
2025-10-04	54 -> 52	566.45
2025-09-30	55 -> 54	566.45
2025-09-26	54 -> 55	566.45
2025-09-19	55 -> 54	566.45
2025-09-15	49 -> 55	579.73 -> 566.45	Tails, money, two renchans: 100% -> 86%
2025-09-14	51 -> 49	579.73
2025-09-12	54 -> 51	579.73
2025-09-01	48 -> 54	592.73 -> 579.73	SPB Riichi Open 2024: 100% -> 86%

#	Base rank	Date		Place	Power	Coefficient	Type	Tournament	City
1	871	2025-03-02		5/32	100%	2.40	RR	Riichi Maslenitsa (shrovetide)	Yekaterinburg
2	913	2024-09-15	🥉	3/24	86%	2.20	CRR	Tails, money, two renchans	Tyumen
3	842	2024-09-01		16/96	86%	3.85	RR	SPB Riichi Open 2024	Saint Petersburg
4	766	2022-06-12		27/112	0%	4.05	RR	Moscow Riichi 2022	Moscow
5	328	2022-03-20		46/68	0%	3.50	RR	Tenpai can't buy happiness	Perm
6	386	2019-05-04		52/84	0%	4.20	EMA	Haru Shanten 2019	Perm
7	577	2018-05-01		31/72	0%	3.85	EMA	Haru Shanten 2018	Perm
8	258	2018-01-05		24/32	0%	2.20	RR	Russian riichi championship by JPML-B rules	Novosibirsk
9	842	2017-12-24		4/20	0%	2.10	EMA	Tyumen Riichi Open 2017	Tyumen
10	211	2017-11-12		57/72	0%	3.25	EMA	Perm Riichi 2017 Aki Shanten	Perm
11	815	2017-06-11		6/28	0%	2.10	RR	Tyumen Mahjong Tournament (TMT) 2017	Tyumen
12	909	2017-02-12	🥈	2/12	0%	0.90	CRR	Winter riichi mahjong mini-tournament "White Dragon" 2017	Khanty-Mansiysk
13	87	2016-12-10		22/24	0%	1.60	RR	December tournament glhf; 2016	Moscow