Oparin Konstantin

From Moscow, Russia

Internal rating (RR)

Rating date Nov. 22, 2025 (latest changes Nov. 14, 2025).

58 place (536.57).

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

p1 = (843.14 * 3.05 * 0.29 + 990.65 * 4.60 * 0.43 + 196.08 * 3.05 * 0.57 + 772.15 * 3.65 * 0.71 + 894.74 * 3.85 * 0.71 + 269.66 * 3.75 * 0.86 + 322.58 * 3.10 * 1) / (3.05 * 0.29 + 4.60 * 0.43 + 3.05 * 0.57 + 3.65 * 0.71 + 3.85 * 0.71 + 3.75 * 0.86 + 3.10 * 1) = 576.3645277229812

p2 = (894.74 * 3.85 * 0.71 + 772.15 * 3.65 * 0.71 + 990.65 * 4.60 * 0.43 + 322.58 * 3.10 * 1) / max_coefficients = 496.7799331103679

score = 576.3645277229812 * 0.5 + 496.7799331103679 * 0.5 = 536.5722304166745

Rating changes

Show

all results

Date	Place	Points	Reason
2025-11-14	59 -> 58	536.57
2025-11-12	52 -> 59	566.38 -> 536.57	X Russian Championship: 57% -> 43%
2025-11-10	50 -> 52	572.95 -> 566.38	Agari Spring Tournament 2024: 43% -> 29%
2025-11-04	46 -> 50	585.38 -> 572.95
2025-11-01	41 -> 46	606.07 -> 585.38	SPB Riichi Open 2024: 86% -> 71%
2025-10-13	45 -> 41	591.97 -> 606.07	Moscow Riichi 2024: 100% -> 86%
2025-10-09	47 -> 45	587.33 -> 591.97	Agari Summer Tournament 2024: 71% -> 57%
2025-10-04	44 -> 47	603.39 -> 587.33	Riichi over Volga: 86% -> 71%
2025-09-12	38 -> 44	631.90 -> 603.39	X Russian Championship: 71% -> 57%
2025-09-10	37 -> 38	646.82 -> 631.90	Agari Spring Tournament 2024: 57% -> 43%

Tournaments

#	Base rank	Date		Place	Power	Coefficient	Type	Tournament	City
1	323	2025-01-07		22/32	100%	3.10	RR	Moscow Open Riichi Marathon	Moscow
2	270	2024-10-13		66/90	86%	3.75	RR	Moscow Riichi 2024	Moscow
3	895	2024-09-01		11/96	71%	3.85	RR	SPB Riichi Open 2024	Saint Petersburg
4	772	2024-08-04		19/80	71%	3.65	RR	Riichi over Volga	Samara
5	196	2024-06-09		42/52	57%	3.05	RR	Agari Summer Tournament 2024	Moscow
6	991	2024-05-12	🥈	2/108	43%	4.60	RR	X Russian Championship	Perm
7	843	2024-03-10		9/52	29%	3.05	RR	Agari Spring Tournament 2024	Moscow
8	692	2023-09-03		34/108	0%	4.00	RR	SPB Riichi Open 2023	Saint Petersburg