Chichigina Natalya

Common russian riichi rating (CRR)

Rating date Aug. 31, 2026 (latest changes Aug. 31, 2026).

181 place (318.53).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41

p1 = (400 * 3.85 * 0.14 + 549.02 * 3.05 * 0.43 + 648.65 * 3.40 * 1 + 0 + 0) / (3.85 * 0.14 + 3.05 * 0.43 + 3.40 * 1 + 1 + 1) = 433.09892874784964

p2 = (648.65 * 3.40 * 1 + 549.02 * 3.05 * 0.43 + 400 * 3.85 * 0.14) / max_coefficients = 203.96950032446463

score = 433.09892874784964 * 0.5 + 203.96950032446463 * 0.5 = 318.53421453615715

all results

Date	Place	Points	Reason
2026-08-31	181	318.20 -> 318.53
2026-08-30	179 -> 181	318.20
2026-08-27	180 -> 179	318.20
2026-08-16	178 -> 180	318.20
2026-08-15	179 -> 178	317.46 -> 318.20
2026-08-13	180 -> 179	317.46
2026-08-04	182 -> 180	317.46
2026-08-03	183 -> 182	317.46
2026-08-02	173 -> 183	328.42 -> 317.46	Agari Winter Tournament 2025: 57% -> 43%
2026-07-18	170 -> 173	328.42

#	Base rank	Date		Place	Power	Coefficient	Rating	Tournament	City
1	649	2026-02-23		27/75	100%	3.40	RR	White Wolf Cup 2026	Saint Petersburg
2	549	2025-02-02		24/52	43%	3.05	RR	Agari Winter Tournament 2025	Moscow
3	400	2024-09-01		58/96	14%	3.85	RR	SPB Riichi Open 2024	Saint Petersburg
4	627	2024-06-09		20/52	0%	3.05	RR	Agari Summer Tournament 2024	Moscow
5	627	2024-03-10		20/52	0%	3.05	RR	Agari Spring Tournament 2024	Moscow
6	187	2023-09-03		88/108	0%	4.00	RR	SPB Riichi Open 2023	Saint Petersburg
7	333	2022-11-06		51/76	0%	4.20	RR	IX Russian Riichi Championship	Perm
8	108	2022-06-12		100/112	0%	4.05	RR	Moscow Riichi 2022	Moscow
9	64	2021-12-19		45/48	0%	3.10	RR	Agari team tournament	Moscow
10	32	2020-01-26		31/32	0%	2.70	RR	The last chance: back to 2019	Moscow
11	81	2019-12-15		103/112	0%	4.05	EMA	VIII Russian Riichi Championship	Moscow
12	317	2018-12-16		44/64	0%	3.45	EMA	White Dragon Tournament	Moscow
13	0	2018-07-22		24/24	0%	2.73	RR	Winner tournament. Agari season event	Moscow
14	895	2018-05-12	🥉	3/20	0%	1.50	CRR	Agari tournament. First stage	Moscow