Petsilyak Igor

From Moscow, Russia

EMA: 15990408

Player page

Internal rating (RR)

Rating date Oct. 19, 2023 (latest changes Oct. 19, 2023).

100 place (251.76).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.57) = 14.26417

p1 = (733.33 * 3.45 * 0.14 + 189.19 * 4.05 * 0.57 + 493.33 * 4.20 * 1 + 102.80 * 4 * 1 + 0) / (3.45 * 0.14 + 4.05 * 0.57 + 4.20 * 1 + 4 * 1 + 1) = 273.38403912660556

p2 = (493.33 * 4.20 * 1 + 189.19 * 4.05 * 0.57 + 102.80 * 4 * 1 + 733.33 * 3.45 * 0.14) / max_coefficients = 230.12695446002118

score = 273.38403912660556 * 0.5 + 230.12695446002118 * 0.5 = 251.75549679331337

Rating changes

Show

all results
Date Place Points Reason
2023-10-19 101 -> 100 251.76
2023-10-12 102 -> 101 249.02 -> 251.76

Moscow Riichi 2022: 71% -> 57%
2023-09-28 99 -> 102 269.93 -> 249.02

Saint Petersburg Open 2021: 29% -> 14%
2023-09-20 102 -> 99 269.93
2023-09-06 103 -> 102 269.93
2023-09-03 79 -> 103 295.92 -> 269.93

SPB Riichi Open 2023: 0% -> 100%
2023-08-12 83 -> 79 290.52 -> 295.92

Moscow Riichi 2022: 86% -> 71%
2023-07-28 76 -> 83 313.05 -> 290.52

Saint Petersburg Open 2021: 43% -> 29%
2023-07-20 77 -> 76 307.94 -> 313.05
2023-07-06 78 -> 77 307.94

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 103 2023-09-03 97/108 100% 4.00 RR SPB Riichi Open 2023
2 493 2022-11-06 39/76 100% 4.20 RR IX Russian Riichi Championship
3 189 2022-06-12 91/112 57% 4.05 RR Moscow Riichi 2022
4 733 2021-11-28 21/76 14% 3.45 RR Saint Petersburg Open 2021