Petrushchenko Sergey

From Moscow, Russia

Common russian riichi rating (CRR)

Rating date Jan. 14, 2025 (latest changes Jan. 14, 2025).

18 place (660.52).

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

p1 = (172.41 * 3.75 * 0.43 + 775.70 * 4 * 0.57 + 871.79 * 2.90 * 0.86 + 607.84 * 3.05 * 1 + 86.96 * 2.10 * 1 + 490.20 * 3.05 * 1 + 898.73 * 3.65 * 1 + 778.95 * 3.85 * 1 + 741.57 * 3.75 * 1 + 130.43 * 2.80 * 1 + 709.68 * 3.10 * 1) / (3.75 * 0.43 + 4 * 0.57 + 2.90 * 0.86 + 3.05 * 1 + 2.10 * 1 + 3.05 * 1 + 3.65 * 1 + 3.85 * 1 + 3.75 * 1 + 2.80 * 1 + 3.10 * 1) = 610.6209444901799

p2 = (898.73 * 3.65 * 1 + 778.95 * 3.85 * 1 + 741.57 * 3.75 * 1 + 709.68 * 3.10 * 1) / max_coefficients = 710.4246056782334

score = 610.6209444901799 * 0.5 + 710.4246056782334 * 0.5 = 660.5227750842066

Rating changes

Show

all results

Date	Place	Points	Reason
2025-01-07	20 -> 18	654.12 -> 660.52	Moscow Open Riichi Marathon: 0% -> 100%
2025-01-05	21 -> 20	654.12
2025-01-03	20 -> 21	657.40 -> 654.12	SPB Riichi Open 2023: 71% -> 57%
2024-12-18	20	658.31 -> 657.40	Meeting in the billiard room: 14% -> 0%
2024-12-11	22 -> 20	654.47 -> 658.31	Money can not buy tenpai: 57% -> 43%
2024-12-01	18 -> 22	678.39 -> 654.47	Riichi never changing: 0% -> 100%
2024-11-26	17 -> 18	689.92 -> 678.39	Autumn Agari tournament: 100% -> 86%
2024-11-05	17	692.65 -> 689.92
2024-11-03	16 -> 17	697.99 -> 692.65	SPB Riichi Open 2023: 86% -> 71%
2024-10-18	16	698.55 -> 697.99	Meeting in the billiard room: 29% -> 14%

Tournaments

#	Base rank	Date	Place	Power	Coefficient	Type	Tournament	City
1	710	2025-01-07	10/32	100%	3.10	RR	Moscow Open Riichi Marathon	Moscow
2	130	2024-12-01	21/24	100%	2.80	CRR	Riichi never changing	Moscow
3	742	2024-10-13	24/90	100%	3.75	RR	Moscow Riichi 2024	Moscow
4	779	2024-09-01	22/96	100%	3.85	RR	SPB Riichi Open 2024	Saint Petersburg
5	899	2024-08-04	9/80	100%	3.65	RR	Riichi over Volga	Samara
6	490	2024-06-09	27/52	100%	3.05	RR	Agari Summer Tournament 2024	Moscow
7	234	2024-05-12	83/108	100%	4.60	RR	X Russian Championship	Perm
8	87	2024-03-30	43/47	100%	2.10	RR	Seihoku spring tournament 2024	Saint Petersburg
9	608	2024-03-10	21/52	100%	3.05	RR	Agari Spring Tournament 2024	Moscow
10	872	2023-11-26	6/40	86%	2.90	CRR	Autumn Agari tournament	Moscow
11	776	2023-09-03	25/108	57%	4.00	RR	SPB Riichi Open 2023	Saint Petersburg
12	172	2023-06-11	73/88	43%	3.75	RR	Money can not buy tenpai	Perm
13	739	2022-12-18	7/24	0%	2.80	CRR	Meeting in the billiard room	Moscow
14	907	2022-11-06	8/76	0%	4.20	RR	IX Russian Riichi Championship	Perm
15	982	2022-06-12	3/112	0%	4.05	RR	Moscow Riichi 2022	Moscow
16	746	2022-03-20	18/68	0%	3.50	RR	Tenpai can't buy happiness	Perm
17	0	2021-12-19	48/48	0%	3.10	RR	Agari team tournament	Moscow
18	573	2021-11-28	33/76	0%	3.45	RR	Saint Petersburg Open 2021	Saint Petersburg
19	737	2020-02-02	6/20	0%	2.40	CRR	double-burning-2020	Moscow
20	839	2020-01-26	6/32	0%	2.70	RR	The last chance: back to 2019	Moscow
21	577	2019-12-15	48/112	0%	4.05	EMA	VIII Russian Riichi Championship	Moscow
22	429	2019-11-24	37/64	0%	3.45	EMA	Saint Petersburg Open 2019	Saint Petersburg
23	968	2019-11-04	3/64	0%	3.85	EMA	Aki Shanten 2019	Perm
24	909	2019-10-20	6/56	0%	3.18	EMA	Tri Nitro Tournament 2019 - 7th Detonation	Paris
25	478	2019-09-15	13/24	0%	2.20	EMA	Valencia Riichi 2019	Valencia
26	629	2019-07-21	14/36	0%	3.20	RR	Moscow Open Riichi Marathon 2019	Moscow
27	77	2019-06-02	37/40	0%	2.90	RR	Summer Cup 2019	Saint Petersburg
28	60	2019-05-04	79/84	0%	4.20	EMA	Haru Shanten 2019	Perm
29	67	2019-03-24	15/16	0%	2.60	CRR	Double burning	Moscow
30	617	2019-01-13	19/48	0%	3.10	RR	Agari team tournament 2019	Moscow
31	821	2018-12-23	8/40	0%	2.90	RR	North Cup 2018	Saint Petersburg
32	508	2018-12-16	32/64	0%	3.45	EMA	White Dragon Tournament	Moscow
33	835	2018-11-18	16/92	0%	3.80	EMA	VII Russian Riichi Championship "Aki Shanten"	Perm
34	957	2018-09-16	3/48	0%	2.80	EMA	1st Spanish Riichi Open 2018	Valencia
35	149	2018-08-19	41/48	0%	3.10	RR	Moscow Riichi Open 2018	Moscow
36	926	2018-07-15	3/28	0%	3.00	RR	Moscow Open Riichi Marathon	Moscow
37	613	2018-06-17	13/32	0%	2.85	EMA	5th Prague Open Riichi Championship 2018	Prague
38	859	2018-06-11	11/72	0%	3.55	EMA	RCR Saint Petersburg South Cup 2018	Saint Petersburg
39	333	2018-05-20	19/28	0%	3.50	CRR	A-League	Moscow
40	421	2018-05-12	12/20	0%	1.50	CRR	Agari tournament. First stage	Moscow
41	859	2018-05-01	11/72	0%	3.85	EMA	Haru Shanten 2018	Perm
42	340	2018-03-25	32/48	0%	2.80	EMA	Great Wave 2018	Helsinki
43	0	2018-01-20	28/28	0%	1.70	CRR	Team tournament Agari. Season event	Moscow
44	687	2017-12-11	27/84	0%	3.40	EMA	VI Russian Riichi Championship 2017	Saint Petersburg
45	845	2017-11-12	12/72	0%	3.25	EMA	Perm Riichi 2017 Aki Shanten	Perm
46	48	2017-10-22	61/64	0%	3.45	EMA	Moscow Riichi Open 2017	Moscow
47	111	2017-09-24	25/28	0%	2.60	RR	Moscow Riichi Half Marathon 2017	Moscow
48	407	2017-09-03	17/28	0%	2.30	EMA	Riichi Open Bratislava 2017	Bratislava
49	57	2017-07-09	34/36	0%	3.20	RR	Moscow Open Riichi Marathon 2017	Moscow
50	913	2017-06-04	3/24	0%	2.90	EMA	Prague Open 2017	Prague
51	282	2017-03-11	29/40	0%	2.00	RR	Moscow championship 2017 (JPML-A rules)	Moscow
52	733	2017-02-12	5/16	0%	2.30	RR	February mini-tournament glhf; 2017	Moscow
53	391	2016-12-10	15/24	0%	1.60	RR	December tournament glhf; 2016	Moscow
54	507	2016-12-04	36/72	0%	3.25	EMA	Saint Petersburg Riichi Open 2016	Saint Petersburg
55	194	2016-10-16	26/32	0%	1.60	RR	Tournament of 4 winds. West cup 2016	Saint Petersburg
56	103	2016-09-11	79/88	0%	3.45	EMA	V Russian Riichi Championship 2016	Moscow
57	263	2016-08-27	15/20	0%	1.50	RR	August tournament glhf; 2016	Moscow
58	0	2016-05-28	24/24	0%	1.60	RR	May tournament glhf; 2016	Moscow