Datkov Sergey

Common russian riichi rating (CRR)

Rating date May 3, 2025 (latest changes May 3, 2025).

208 place (200.45).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85

p1 = (578.95 * 2.10 * 0.29 + 296.30 * 2.30 * 0.57 + 555.56 * 2.30 * 0.71 + 0 + 0) / (2.10 * 0.29 + 2.30 * 0.57 + 2.30 * 0.71 + 1 + 1) = 296.8231517271661

p2 = (555.56 * 2.30 * 0.71 + 296.30 * 2.30 * 0.57 + 578.95 * 2.10 * 0.29) / max_coefficients = 104.06750788643532

score = 296.8231517271661 * 0.5 + 104.06750788643532 * 0.5 = 200.44532980680071

Rating changes

Show

all results

Date	Place	Points	Reason
2025-05-03	206 -> 208	200.45
2025-04-27	197 -> 206	213.15 -> 200.45	13 tiles until tempai: 43% -> 29%
2025-04-26	196 -> 197	213.15
2025-04-25	191 -> 196	225.39 -> 213.15	Chasing Kan: 86% -> 71%
2025-04-22	192 -> 191	225.39
2025-04-13	190 -> 192	225.39
2025-04-11	191 -> 190	225.39
2025-03-29	189 -> 191	225.39
2025-03-23	183 -> 189	225.39
2025-03-10	184 -> 183	225.39

Tournaments

#	Base rank	Date	Place	Power	Coefficient	Type	Tournament	City
1	556	2024-02-25	13/28	71%	2.30	CRR	Chasing Kan	Yekaterinburg
2	296	2023-11-05	20/28	57%	2.30	CRR	Finding Dora	Yekaterinburg
3	579	2023-08-27	9/20	29%	2.10	CRR	13 tiles until tempai	Yekaterinburg
4	737	2019-03-17	6/20	0%	2.10	RR	Spring hope	Yekaterinburg
5	852	2017-06-11	5/28	0%	2.10	RR	Tyumen Mahjong Tournament (TMT) 2017	Tyumen
6	581	2017-04-16	14/32	0%	2.20	RR	Second riichi mahjong tournament, Chelyabinsk 2017	Chelyabinsk
7	783	2017-01-29	6/24	0%	2.20	RR	The first tournament of 2017	Yekaterinburg
8	957	2015-12-05	2/24	0%	1.80	RR	4 riichi mahjong tournament 2015	Yekaterinburg
9	158	2015-09-27	17/20	0%	1.70	RR	Plitochka	Tyumen
10	400	2015-08-29	10/16	0%	1.60	RR	3 riichi mahjong tournament 2015	Yekaterinburg
11	1000	2015-02-22	1/28	0%	1.90	RR	2 winter riichi mahjong tournament 2015	Yekaterinburg
12	526	2014-10-25	10/20	0%	1.30	RR	Autumn riichi mahjong tournament 2014	Yekaterinburg
13	842	2014-06-08	4/20	0%	1.30	RR	Chelyabinsk riichi mahjong championship 2017	Chelyabinsk