Petsilyak Igor

From Moscow, Russia

Internal rating (RR)

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

62 place (343.90).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.10 * 0.86) = 14.40701

p1 = (733.33 * 3.45 * 0.71 + 189.19 * 4.05 * 1 + 493.33 * 4.20 * 1 + 0 + 0) / (3.45 * 0.71 + 4.05 * 1 + 4.20 * 1 + 1 + 1) = 365.3671230150849

p2 = (493.33 * 4.20 * 1 + 733.33 * 3.45 * 0.71 + 189.19 * 4.05 * 1) / max_coefficients = 322.4402565140165

score = 365.3671230150849 * 0.5 + 322.4402565140165 * 0.5 = 343.9036897645507

all results

Date	Place	Points	Reason
2023-01-28	60 -> 62	359.76 -> 343.90	Saint Petersburg Open 2021: 86% -> 71%
2022-12-19	60	358.12 -> 359.76
2022-11-28	59 -> 60	372.51 -> 358.12	Saint Petersburg Open 2021: 100% -> 86%
2022-11-06	63 -> 59	272.22 -> 372.51	IX Russian Riichi Championship: 0% -> 100%
2022-06-12	63	272.22	Moscow Riichi 2022: 0% -> 100%

#	Base rank	Date	Place	Power	Coefficient	Type	Tournament
1	493	2022-11-06	39/76	100%	4.20	RR	IX Russian Riichi Championship
2	189	2022-06-12	91/112	100%	4.05	RR	Moscow Riichi 2022
3	733	2021-11-28	21/76	71%	3.45	RR	Saint Petersburg Open 2021