Elkin Denis

Common russian riichi rating (CRR)

Rating date April 4, 2026 (latest changes April 4, 2026).

99 place (442.17).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (12.66 * 3.65 * 0.29 + 452.63 * 3.85 * 0.43 + 22.47 * 3.75 * 0.57 + 220.34 * 3.25 * 0.86 + 800 * 1.90 * 1 + 471.43 * 3.50 * 1 + 358.21 * 4.10 * 1 + 701.30 * 3.45 * 1) / (3.65 * 0.29 + 3.85 * 0.43 + 3.75 * 0.57 + 3.25 * 0.86 + 1.90 * 1 + 3.50 * 1 + 4.10 * 1 + 3.45 * 1) = 412.2332926940719

p2 = (701.30 * 3.45 * 1 + 471.43 * 3.50 * 1 + 800 * 1.90 * 1 + 358.21 * 4.10 * 1) / max_coefficients = 472.1163879598662

score = 412.2332926940719 * 0.5 + 472.1163879598662 * 0.5 = 442.17484032696905

Rating changes

Show

all results

Date	Place	Points	Reason
2026-04-04	102 -> 99	437.23 -> 442.17	Riichi over Volga: 43% -> 29%
2026-04-02	101 -> 102	437.23
2026-03-30	101	437.16 -> 437.23	Seihoku spring tournament 2024: 14% -> 0%
2026-03-29	102 -> 101	437.16
2026-03-21	100 -> 102	437.16
2026-03-14	97 -> 100	437.16
2026-03-12	98 -> 97	437.16
2026-03-10	100 -> 98	437.16
2026-03-01	103 -> 100	437.79 -> 437.16	SPB Riichi Open 2024: 57% -> 43%
2026-02-23	96 -> 103	437.79

Tournaments

#	Base rank	Date	Place	Power	Coefficient	Rating	Tournament	City
1	701	2025-08-31	24/78	100%	3.45	RR	SPB Riichi Open 2025	Saint Petersburg
2	358	2025-06-15	44/68	100%	4.10	RR	13 bloody tiles	Perm
3	471	2025-05-03	38/71	100%	3.50	RR	Riichi over The Volga 2025	Samara
4	800	2025-04-26	8/36	100%	1.90	RR	Seihoku spring tournament 2025	Saint Petersburg
5	220	2025-02-16	47/60	86%	3.25	RR	White Wolf Cup	Saint Petersburg
6	22	2024-10-13	88/90	57%	3.75	RR	Moscow Riichi 2024	Moscow
7	453	2024-09-01	53/96	43%	3.85	RR	SPB Riichi Open 2024	Saint Petersburg
8	13	2024-08-04	79/80	29%	3.65	RR	Riichi over Volga	Samara
9	391	2024-03-30	29/47	0%	2.10	RR	Seihoku spring tournament 2024	Saint Petersburg
10	449	2023-09-03	60/108	0%	4.00	RR	SPB Riichi Open 2023	Saint Petersburg
11	304	2023-04-22	17/24	0%	1.40	CRR	Fire cup 2023	Saint Petersburg