Zayakin Vladimir

From Perm, Russia

Internal rating (RR)

Rating date Oct. 31, 2025 (latest changes Oct. 13, 2025).

208 place (86.55).

max_coefficients = (4.10 * 1 + 3.50 * 1 + 3.45 * 1 + 3.85 * 0.86) = 14.349835

p1 = (9.35 * 4.60 * 0.57 + 238.81 * 4.10 * 1 + 0 + 0 + 0) / (4.60 * 0.57 + 4.10 * 1 + 1 + 1 + 1) = 103.16761988561373

p2 = (238.81 * 4.10 * 1 + 9.35 * 4.60 * 0.57) / max_coefficients = 69.94226762886123

score = 103.16761988561373 * 0.5 + 69.94226762886123 * 0.5 = 86.55494375723748

all results

Date	Place	Points	Reason
2025-10-13	208	85.49 -> 86.55
2025-09-12	208	82.73 -> 85.49	X Russian Championship: 71% -> 57%
2025-09-03	213 -> 208	82.73
2025-09-01	213	81.83 -> 82.73
2025-08-31	205 -> 213	81.83
2025-08-09	206 -> 205	81.83
2025-08-04	206	81.51 -> 81.83
2025-08-03	199 -> 206	81.51
2025-07-13	195 -> 199	81.51
2025-07-12	196 -> 195	78.47 -> 81.51	X Russian Championship: 86% -> 71%

#	Base rank	Date		Place	Power	Coefficient	Type	Tournament	City
1	239	2025-06-15		52/68	100%	4.10	RR	13 bloody tiles	Perm
2	9	2024-05-12		107/108	57%	4.60	RR	X Russian Championship	Perm
3	414	2023-06-11		52/88	0%	3.75	RR	Money can not buy tenpai	Perm
4	707	2022-11-06		23/76	0%	4.20	RR	IX Russian Riichi Championship	Perm
5	159	2019-11-04		54/64	0%	3.85	EMA	Aki Shanten 2019	Perm
6	277	2019-05-04		61/84	0%	4.20	EMA	Haru Shanten 2019	Perm
7	462	2018-11-18		50/92	0%	3.80	EMA	VII Russian Riichi Championship "Aki Shanten"	Perm
8	1000	2018-08-11	🥇	1/28	0%	1.70	RR	Natsu Shanten 2018	Perm
9	1000	2018-05-01	🥇	1/72	0%	3.85	EMA	Haru Shanten 2018	Perm
10	444	2018-02-17		16/28	0%	1.70	RR	Fuyu Shanten	Perm
11	239	2017-11-12		55/72	0%	3.25	EMA	Perm Riichi 2017 Aki Shanten	Perm
12	0	2017-06-03		32/32	0%	1.60	RR	"Summer shanten" tournament, Perm 2017	Perm
13	963	2017-03-25	🥈	2/28	0%	1.50	RR	"Spring shanten" tournament, Perm 2017	Perm
14	775	2016-12-04		17/72	0%	3.25	EMA	Saint Petersburg Riichi Open 2016	Saint Petersburg
15	184	2016-09-11		72/88	0%	3.45	EMA	V Russian Riichi Championship 2016	Moscow