Oparin Konstantin

From Moscow, Russia

Common russian riichi rating (CRR)

Rating date Feb. 22, 2025 (latest changes Feb. 22, 2025).

6 place (771.83).

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

p1 = (691.59 * 4 * 0.57 + 590.91 * 2.10 * 0.57 + 717.95 * 2.90 * 0.71 + 843.14 * 3.05 * 1 + 990.65 * 4.60 * 1 + 196.08 * 3.05 * 1 + 772.15 * 3.65 * 1 + 894.74 * 3.85 * 1 + 322.58 * 3.10 * 1) / (4 * 0.57 + 2.10 * 0.57 + 2.90 * 0.71 + 3.05 * 1 + 4.60 * 1 + 3.05 * 1 + 3.65 * 1 + 3.85 * 1 + 3.10 * 1) = 698.7628183479844

p2 = (990.65 * 4.60 * 1 + 894.74 * 3.85 * 1 + 772.15 * 3.65 * 1 + 843.14 * 3.05 * 1) / max_coefficients = 844.9003154574133

score = 698.7628183479844 * 0.5 + 844.9003154574133 * 0.5 = 771.8315669026988

Rating changes

Show

all results

Date	Place	Points	Reason
2025-02-22	5 -> 6	771.24 -> 771.83	Mushroom League: 71% -> 57%
2025-01-26	4 -> 5	771.39 -> 771.24	Autumn Agari tournament: 86% -> 71%
2025-01-07	5 -> 4	763.55 -> 771.39	Moscow Open Riichi Marathon: 0% -> 100%
2025-01-03	6 -> 5	763.64 -> 763.55	SPB Riichi Open 2023: 71% -> 57%
2024-12-22	6	763.17 -> 763.64	Mushroom League: 86% -> 71%
2024-12-01	7 -> 6	763.17
2024-11-26	7	763.43 -> 763.17	Autumn Agari tournament: 100% -> 86%
2024-11-05	8 -> 7	763.43
2024-11-03	8	763.52 -> 763.43	SPB Riichi Open 2023: 86% -> 71%
2024-10-22	8	763.07 -> 763.52	Mushroom League: 100% -> 86%

Tournaments

#	Base rank	Date	Place	Power	Coefficient	Type	Tournament
1	323	2025-01-07	22/32	100%	3.10	RR	Moscow Open Riichi Marathon
2	270	2024-10-13	66/90	100%	3.75	RR	Moscow Riichi 2024
3	895	2024-09-01	11/96	100%	3.85	RR	SPB Riichi Open 2024
4	772	2024-08-04	19/80	100%	3.65	RR	Riichi over Volga
5	196	2024-06-09	42/52	100%	3.05	RR	Agari Summer Tournament 2024
6	991	2024-05-12	2/108	100%	4.60	RR	X Russian Championship
7	843	2024-03-10	9/52	100%	3.05	RR	Agari Spring Tournament 2024
8	718	2023-11-26	12/40	71%	2.90	CRR	Autumn Agari tournament
9	591	2023-10-22	10/23	57%	2.10	CRR	Mushroom League
10	692	2023-09-03	34/108	57%	4.00	RR	SPB Riichi Open 2023