Bondarev Alexandr

From Perm, Russia

Common russian riichi rating (CRR)

Rating date July 28, 2023 (latest changes July 28, 2023).

142 place (149.21).

max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 2.80 * 1) = 14.221255

p1 = (490.91 * 3.30 * 0.29 + 402.99 * 3.50 * 0.57 + 93.33 * 4.20 * 1 + 0 + 0) / (3.30 * 0.29 + 3.50 * 0.57 + 4.20 * 1 + 1 + 1) = 181.6485484063259

p2 = (402.99 * 3.50 * 0.57 + 490.91 * 3.30 * 0.29 + 93.33 * 4.20 * 1) / max_coefficients = 116.78012946114812

score = 181.6485484063259 * 0.5 + 116.78012946114812 * 0.5 = 149.214338933737

all results

Date	Place	Points	Reason
2023-07-20	139 -> 142	162.04 -> 149.21	Tenpai can't buy happiness: 71% -> 57%
2023-07-06	133 -> 139	177.12 -> 162.04	Kirov Tournament: 43% -> 29%
2023-07-05	134 -> 133	177.12
2023-07-03	137 -> 134	177.12
2023-06-12	138 -> 137	174.24 -> 177.12
2023-06-11	122 -> 138	180.77 -> 174.24
2023-05-20	121 -> 122	189.80 -> 180.77	Tenpai can't buy happiness: 86% -> 71%
2023-05-06	118 -> 121	203.87 -> 189.80	Kirov Tournament: 57% -> 43%
2023-05-05	117 -> 118	203.87
2023-05-03	118 -> 117	203.87

#	Base rank	Date	Place	Power	Coefficient	Type	Tournament
1	93	2022-11-06	69/76	100%	4.20	RR	IX Russian Riichi Championship
2	403	2022-03-20	41/68	57%	3.50	RR	Tenpai can't buy happiness
3	491	2021-11-06	29/56	29%	3.30	RR	Kirov Tournament
4	571	2019-11-04	28/64	0%	3.85	EMA	Aki Shanten 2019
5	909	2019-07-06	2/12	0%	1.50	CRR	Perm Half Marathon
6	478	2019-06-16	13/24	0%	2.20	RR	URAL Mahjong Battle
7	651	2019-05-04	30/84	0%	4.20	EMA	Haru Shanten 2019
8	421	2019-02-10	12/20	0%	2.10	RR	Fuyu Shanten 2019
9	714	2018-11-18	27/92	0%	3.80	EMA	VII Russian Riichi Championship "Aki Shanten"
10	239	2018-05-01	55/72	0%	3.85	EMA	Haru Shanten 2018
11	519	2018-02-17	14/28	0%	1.70	RR	Fuyu Shanten
12	563	2017-11-12	32/72	0%	3.25	EMA	Perm Riichi 2017 Aki Shanten
13	258	2017-06-03	24/32	0%	1.60	RR	"Summer shanten" tournament, Perm 2017