Mamin Vladislav

Common russian riichi rating (CRR)

Rating date June 29, 2026 (latest changes June 29, 2026).

278 place (183.75).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997

p1 = (115.79 * 3.85 * 0.29 + 833.33 * 2 * 0.86 + 0 + 0 + 0) / (3.85 * 0.29 + 2 * 0.86 + 1 + 1 + 1) = 267.59910528547186

p2 = (833.33 * 2 * 0.86 + 115.79 * 3.85 * 0.29) / max_coefficients = 99.90041164471036

score = 267.59910528547186 * 0.5 + 99.90041164471036 * 0.5 = 183.7497584650911

all results

Date	Place	Points	Reason
2026-06-16	279 -> 278	183.75
2026-06-15	280 -> 279	181.94 -> 183.75
2026-06-14	252 -> 280	207.46 -> 181.94	Tonpu-master: 100% -> 86%
2026-06-13	253 -> 252	207.46
2026-06-09	254 -> 253	207.46
2026-06-04	256 -> 254	207.46
2026-05-31	248 -> 256	207.46
2026-05-26	249 -> 248	207.46
2026-05-25	250 -> 249	207.46
2026-05-23	251 -> 250	207.46

#	Base rank	Date	Place	Power	Coefficient	Rating	Tournament	City
1	833	2025-06-14	4/19	86%	2.00	CRR	Tonpu-master	Saint Petersburg
2	116	2024-09-01	85/96	29%	3.85	RR	SPB Riichi Open 2024	Saint Petersburg
3	522	2024-03-30	23/47	0%	2.10	RR	Seihoku spring tournament 2024	Saint Petersburg
4	333	2022-08-27	27/40	0%	1.80	CRR	Sun tournament	Saint Petersburg
5	744	2019-06-02	11/40	0%	2.90	RR	Summer Cup 2019	Saint Petersburg
6	903	2018-03-04	4/32	0%	2.70	RR	East Cup 2018	Saint Petersburg
7	841	2017-10-22	11/64	0%	3.45	EMA	Moscow Riichi Open 2017	Moscow
8	641	2017-10-01	15/40	0%	1.80	RR	Saint Petersburg championship. Northern cup 2017	Saint Petersburg
9	400	2017-07-09	22/36	0%	3.20	RR	Moscow Open Riichi Marathon 2017	Moscow
10	581	2016-10-16	14/32	0%	1.60	RR	Tournament of 4 winds. West cup 2016	Saint Petersburg
11	290	2016-03-27	23/32	0%	1.60	RR	Tournament of 4 winds. East cup 2016	Saint Petersburg
12	556	2016-03-13	45/100	0%	3.40	RR	"Japanese House" riichi mahjong cup 2016	Moscow
13	667	2015-12-06	6/16	0%	2.00	RR	Two-day tournament of Saint Petersburg riichi mahjong league	Saint Petersburg