Petrushchenko Sergey

From Moscow, Russia

Internal rating (RR)

Rating date March 10, 2025 (latest changes March 10, 2025).

19 place (671.18).

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

p1 = (741.57 * 3.75 * 1 + 490.20 * 3.05 * 1 + 172.41 * 3.75 * 0.29 + 775.70 * 4 * 0.43 + 607.84 * 3.05 * 0.86 + 86.96 * 2.10 * 1 + 898.73 * 3.65 * 1 + 778.95 * 3.85 * 1 + 709.68 * 3.10 * 1 + 764.71 * 3.05 * 1 + 372.88 * 3.25 * 1 + 677.42 * 2.40 * 1 + 523.81 * 2.60 * 1) / (3.75 * 1 + 3.05 * 1 + 3.75 * 0.29 + 4 * 0.43 + 3.05 * 0.86 + 2.10 * 1 + 3.65 * 1 + 3.85 * 1 + 3.10 * 1 + 3.05 * 1 + 3.25 * 1 + 2.40 * 1 + 2.60 * 1) = 623.576896419413

p2 = (898.73 * 3.65 * 1 + 778.95 * 3.85 * 1 + 741.57 * 3.75 * 1 + 764.71 * 3.05 * 1) / max_coefficients = 718.7747634069401

score = 623.576896419413 * 0.5 + 718.7747634069401 * 0.5 = 671.1758299131766

Rating changes

Show

all results

Date	Place	Points	Reason
2025-03-10	21 -> 19	671.08 -> 671.18	Agari Spring Tournament 2024: 100% -> 86%
2025-03-03	20 -> 21	672.25 -> 671.08	SPB Riichi Open 2023: 57% -> 43%
2025-03-02	22 -> 20	670.47 -> 672.25	Riichi Maslenitsa (shrovetide): 0% -> 100%
2025-02-16	16 -> 22	683.31 -> 670.47	White Wolf Cup: 0% -> 100%
2025-02-11	18 -> 16	679.34 -> 683.31	Money can not buy tenpai: 43% -> 29%
2025-02-02	19 -> 18	668.61 -> 679.34	Agari Winter Tournament 2025: 0% -> 100%
2025-01-26	17 -> 19	673.67 -> 668.61	Riichi On Ice: 0% -> 100%
2025-01-07	23 -> 17	625.52 -> 673.67	Moscow Open Riichi Marathon: 0% -> 100%
2025-01-03	23	639.09 -> 625.52	SPB Riichi Open 2023: 71% -> 57%
2024-12-11	23	635.46 -> 639.09	Money can not buy tenpai: 57% -> 43%

Tournaments

#	Base rank	Date	Place	Power	Coefficient	Type	Tournament	City
1	677	2025-03-02	11/32	100%	2.40	RR	Riichi Maslenitsa (shrovetide)	Yekaterinburg
2	373	2025-02-16	38/60	100%	3.25	RR	White Wolf Cup	Saint Petersburg
3	765	2025-02-02	13/52	100%	3.05	RR	Agari Winter Tournament 2025	Moscow
4	524	2025-01-26	21/43	100%	2.60	RR	Riichi On Ice	Samara
5	710	2025-01-07	10/32	100%	3.10	RR	Moscow Open Riichi Marathon	Moscow
6	742	2024-10-13	24/90	100%	3.75	RR	Moscow Riichi 2024	Moscow
7	779	2024-09-01	22/96	100%	3.85	RR	SPB Riichi Open 2024	Saint Petersburg
8	899	2024-08-04	9/80	100%	3.65	RR	Riichi over Volga	Samara
9	490	2024-06-09	27/52	100%	3.05	RR	Agari Summer Tournament 2024	Moscow
10	234	2024-05-12	83/108	100%	4.60	RR	X Russian Championship	Perm
11	87	2024-03-30	43/47	100%	2.10	RR	Seihoku spring tournament 2024	Saint Petersburg
12	608	2024-03-10	21/52	86%	3.05	RR	Agari Spring Tournament 2024	Moscow
13	776	2023-09-03	25/108	43%	4.00	RR	SPB Riichi Open 2023	Saint Petersburg
14	172	2023-06-11	73/88	29%	3.75	RR	Money can not buy tenpai	Perm
15	907	2022-11-06	8/76	0%	4.20	RR	IX Russian Riichi Championship	Perm
16	982	2022-06-12	3/112	0%	4.05	RR	Moscow Riichi 2022	Moscow
17	746	2022-03-20	18/68	0%	3.50	RR	Tenpai can't buy happiness	Perm
18	0	2021-12-19	48/48	0%	3.10	RR	Agari team tournament	Moscow
19	573	2021-11-28	33/76	0%	3.45	RR	Saint Petersburg Open 2021	Saint Petersburg
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	617	2019-01-13	19/48	0%	3.10	RR	Agari team tournament 2019	Moscow
30	821	2018-12-23	8/40	0%	2.90	RR	North Cup 2018	Saint Petersburg
31	508	2018-12-16	32/64	0%	3.45	EMA	White Dragon Tournament	Moscow
32	835	2018-11-18	16/92	0%	3.80	EMA	VII Russian Riichi Championship "Aki Shanten"	Perm
33	957	2018-09-16	3/48	0%	2.80	EMA	1st Spanish Riichi Open 2018	Valencia
34	149	2018-08-19	41/48	0%	3.10	RR	Moscow Riichi Open 2018	Moscow
35	926	2018-07-15	3/28	0%	3.00	RR	Moscow Open Riichi Marathon	Moscow
36	613	2018-06-17	13/32	0%	2.85	EMA	5th Prague Open Riichi Championship 2018	Prague
37	859	2018-06-11	11/72	0%	3.55	EMA	RCR Saint Petersburg South Cup 2018	Saint Petersburg
38	859	2018-05-01	11/72	0%	3.85	EMA	Haru Shanten 2018	Perm
39	340	2018-03-25	32/48	0%	2.80	EMA	Great Wave 2018	Helsinki
40	687	2017-12-11	27/84	0%	3.40	EMA	VI Russian Riichi Championship 2017	Saint Petersburg
41	845	2017-11-12	12/72	0%	3.25	EMA	Perm Riichi 2017 Aki Shanten	Perm
42	48	2017-10-22	61/64	0%	3.45	EMA	Moscow Riichi Open 2017	Moscow
43	111	2017-09-24	25/28	0%	2.60	RR	Moscow Riichi Half Marathon 2017	Moscow
44	407	2017-09-03	17/28	0%	2.30	EMA	Riichi Open Bratislava 2017	Bratislava
45	57	2017-07-09	34/36	0%	3.20	RR	Moscow Open Riichi Marathon 2017	Moscow
46	913	2017-06-04	3/24	0%	2.90	EMA	Prague Open 2017	Prague
47	282	2017-03-11	29/40	0%	2.00	RR	Moscow championship 2017 (JPML-A rules)	Moscow
48	733	2017-02-12	5/16	0%	2.30	RR	February mini-tournament glhf; 2017	Moscow
49	391	2016-12-10	15/24	0%	1.60	RR	December tournament glhf; 2016	Moscow
50	507	2016-12-04	36/72	0%	3.25	EMA	Saint Petersburg Riichi Open 2016	Saint Petersburg
51	194	2016-10-16	26/32	0%	1.60	RR	Tournament of 4 winds. West cup 2016	Saint Petersburg
52	103	2016-09-11	79/88	0%	3.45	EMA	V Russian Riichi Championship 2016	Moscow
53	263	2016-08-27	15/20	0%	1.50	RR	August tournament glhf; 2016	Moscow
54	0	2016-05-28	24/24	0%	1.60	RR	May tournament glhf; 2016	Moscow