Matveeva Alyona

From Barnaul, Russia

Internal rating (RR)

Rating date Nov. 6, 2023 (latest changes Nov. 6, 2023).

7 place (651.57).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 4.05 * 0.57) = 13.663990000000002

p1 = (910.45 * 3.50 * 0.43 + 840 * 4.20 * 0.86 + 931.03 * 3.75 * 1 + 0 + 0) / (3.50 * 0.43 + 4.20 * 0.86 + 3.75 * 1 + 1 + 1) = 726.3638810240075

p2 = (931.03 * 3.75 * 1 + 840 * 4.20 * 0.86 + 910.45 * 3.50 * 0.43) / max_coefficients = 576.7707675430089

score = 726.3638810240075 * 0.5 + 576.7707675430089 * 0.5 = 651.5673242835082

all results

Date	Place	Points	Reason
2023-11-06	7	660.08 -> 651.57	IX Russian Riichi Championship: 100% -> 86%
2023-10-19	8 -> 7	660.08
2023-10-12	8	648.62 -> 660.08
2023-09-20	7 -> 8	667.68 -> 648.62	Tenpai can't buy happiness: 57% -> 43%
2023-09-06	8 -> 7	667.68
2023-09-03	3 -> 8	714.05 -> 667.68
2023-08-12	3	699.22 -> 714.05
2023-07-20	2 -> 3	707.17 -> 699.22	Tenpai can't buy happiness: 71% -> 57%
2023-06-12	2	693.85 -> 707.17
2023-06-11	23 -> 2	530.95 -> 693.85	Money can not buy tenpai: 0% -> 100%

#	Base rank	Date	Place	Power	Coefficient	Type	Tournament
1	931	2023-06-11	7/88	100%	3.75	RR	Money can not buy tenpai
2	840	2022-11-06	13/76	86%	4.20	RR	IX Russian Riichi Championship
3	910	2022-03-20	7/68	43%	3.50	RR	Tenpai can't buy happiness
4	1000	2020-01-05	1/20	0%	2.10	EMA	Snow Dragon Tournament
5	302	2019-11-04	45/64	0%	3.85	EMA	Aki Shanten 2019
6	778	2019-08-25	7/28	0%	2.30	RR	The Green dragon tournament
7	735	2019-05-04	23/84	0%	4.20	EMA	Haru Shanten 2019
8	964	2019-01-05	3/56	0%	3.00	EMA	Snow Dragon
9	868	2018-11-18	13/92	0%	3.80	EMA	VII Russian Riichi Championship "Aki Shanten"
10	957	2018-08-12	2/24	0%	2.20	RR	Siberian riichi
11	839	2018-01-05	6/32	0%	2.20	RR	Russian riichi championship by JPML-B rules
12	857	2017-01-05	6/36	0%	2.50	RR	Quick discard 2017
13	806	2016-05-03	7/32	0%	2.40	RR	Siberia Cup 2016
14	222	2016-03-13	78/100	0%	3.40	RR	"Japanese House" riichi mahjong cup 2016
15	930	2016-01-05	4/44	0%	1.90	RR	Eighth winter tournament