Petsilyak Igor

From Moscow, Russia

EMA: 15990408

Player page

Internal rating (RR)

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

77 place (307.94).

max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 3.50 * 0.71) = 13.921305

p1 = (733.33 * 3.45 * 0.43 + 189.19 * 4.05 * 0.86 + 493.33 * 4.20 * 1 + 0 + 0) / (3.45 * 0.43 + 4.05 * 0.86 + 4.20 * 1 + 1 + 1) = 341.9825693894802

p2 = (493.33 * 4.20 * 1 + 733.33 * 3.45 * 0.43 + 189.19 * 4.05 * 0.86) / max_coefficients = 273.90248256180007

score = 341.9825693894802 * 0.5 + 273.90248256180007 * 0.5 = 307.94252597564014

Rating changes

Show

all results
Date Place Points Reason
2023-06-19 79 -> 77 307.94
2023-06-12 80 -> 79 302.48 -> 307.94

Moscow Riichi 2022: 100% -> 86%
2023-06-11 62 -> 80 323.86 -> 302.48
2023-05-28 59 -> 62 343.63 -> 323.86

Saint Petersburg Open 2021: 57% -> 43%
2023-05-20 60 -> 59 337.27 -> 343.63
2023-05-06 61 -> 60 337.27
2023-04-19 62 -> 61 334.35 -> 337.27
2023-03-28 59 -> 62 352.05 -> 334.35

Saint Petersburg Open 2021: 71% -> 57%
2023-03-20 61 -> 59 346.09 -> 352.05
2023-02-19 61 343.90 -> 346.09

Tournaments

# 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 86% 4.05 RR Moscow Riichi 2022
3 733 2021-11-28 21/76 43% 3.45 RR Saint Petersburg Open 2021