Lavreniuk Irina

From Moscow, Russia

Internal rating (RR)

Rating date Oct. 1, 2023 (latest changes Oct. 1, 2023).

42 place (447.28).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915

p1 = (426.67 * 4.20 * 1 + 603.60 * 4.05 * 0.71 + 390.80 * 3.75 * 1 + 420.56 * 4 * 1 + 253.33 * 3.45 * 0.14) / (4.20 * 1 + 4.05 * 0.71 + 3.75 * 1 + 4 * 1 + 3.45 * 0.14) = 444.1089937871351

p2 = (426.67 * 4.20 * 1 + 603.60 * 4.05 * 0.71 + 420.56 * 4 * 1 + 390.80 * 3.75 * 1) / max_coefficients = 450.4458861349001

score = 444.1089937871351 * 0.5 + 450.4458861349001 * 0.5 = 447.2774399610176

Rating changes

Show

all results

Date	Place	Points	Reason
2023-09-28	44 -> 42	444.31 -> 447.28	Saint Petersburg Open 2021: 29% -> 14%
2023-09-20	45 -> 44	444.31
2023-09-06	44 -> 45	444.31
2023-09-03	47 -> 44	409.28 -> 444.31	SPB Riichi Open 2023: 0% -> 100%
2023-09-01	47	409.28

Tournaments

#	Base rank	Date	Place	Power	Coefficient	Type	Tournament	City
1	421	2023-09-03	63/108	100%	4.00	RR	SPB Riichi Open 2023	Saint Petersburg
2	391	2023-06-11	54/88	100%	3.75	RR	Money can not buy tenpai	Perm
3	427	2022-11-06	44/76	100%	4.20	RR	IX Russian Riichi Championship	Perm
4	604	2022-06-12	45/112	71%	4.05	RR	Moscow Riichi 2022	Moscow
5	253	2021-11-28	57/76	14%	3.45	RR	Saint Petersburg Open 2021	Saint Petersburg