Kopylov Dmitry

Internal rating (RR)

Rating date March 5, 2026 (latest changes March 2, 2026).

152 place (289.96).

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

p1 = (630.43 * 2.10 * 0.14 + 978.95 * 3.85 * 0.43 + 123.60 * 3.75 * 0.57 + 423.73 * 3.25 * 0.86 + 342.86 * 1.90 * 1 + 194.81 * 3.45 * 1 + 54.05 * 3.40 * 1) / (2.10 * 0.14 + 3.85 * 0.43 + 3.75 * 0.57 + 3.25 * 0.86 + 1.90 * 1 + 3.45 * 1 + 3.40 * 1) = 304.3799718783442

p2 = (978.95 * 3.85 * 0.43 + 423.73 * 3.25 * 0.86 + 194.81 * 3.45 * 1 + 342.86 * 1.90 * 1) / max_coefficients = 275.53244147157193

score = 304.3799718783442 * 0.5 + 275.53244147157193 * 0.5 = 289.956206674958

Rating changes

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all results

Date	Place	Points	Reason
2026-03-02	153 -> 152	289.96
2026-03-01	141 -> 153	319.42 -> 289.96	SPB Riichi Open 2024: 57% -> 43%
2026-02-23	120 -> 141	355.77 -> 319.42	White Wolf Cup 2026: 0% -> 100%
2026-02-16	117 -> 120	362.77 -> 355.77	White Wolf Cup: 100% -> 86%
2026-02-13	120 -> 117	357.38 -> 362.77	Moscow Riichi 2024: 71% -> 57%
2026-02-09	121 -> 120	357.38
2026-02-08	117 -> 121	357.38
2026-02-02	116 -> 117	357.38
2026-01-30	116	359.94 -> 357.38	Seihoku spring tournament 2024: 29% -> 14%
2026-01-25	113 -> 116	359.94

Tournaments

#	Base rank	Date		Place	Power	Coefficient	Rating	Tournament	City
1	54	2026-02-23		71/75	100%	3.40	RR	White Wolf Cup 2026	Saint Petersburg
2	195	2025-08-31		63/78	100%	3.45	RR	SPB Riichi Open 2025	Saint Petersburg
3	343	2025-04-26		24/36	100%	1.90	RR	Seihoku spring tournament 2025	Saint Petersburg
4	424	2025-02-16		35/60	86%	3.25	RR	White Wolf Cup	Saint Petersburg
5	124	2024-10-13		79/90	57%	3.75	RR	Moscow Riichi 2024	Moscow
6	979	2024-09-01	🥉	3/96	43%	3.85	RR	SPB Riichi Open 2024	Saint Petersburg
7	630	2024-03-30		18/47	14%	2.10	RR	Seihoku spring tournament 2024	Saint Petersburg
8	206	2023-09-03		86/108	0%	4.00	RR	SPB Riichi Open 2023	Saint Petersburg
9	120	2022-11-06		67/76	0%	4.20	RR	IX Russian Riichi Championship	Perm
10	135	2022-06-12		97/112	0%	4.05	RR	Moscow Riichi 2022	Moscow