Petsilyak Igor

From Moscow, Russia

EMA: 15990408

Player page

Internal rating (RR)

Rating date March 10, 2024 (latest changes March 10, 2024).

94 place (163.62).

max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 4.20 * 0.57) = 13.19988

p1 = (189.19 * 4.05 * 0.29 + 493.33 * 4.20 * 0.57 + 102.80 * 4 * 1 + 0 + 0) / (4.05 * 0.29 + 4.20 * 0.57 + 4 * 1 + 1 + 1) = 189.81549058723144

p2 = (493.33 * 4.20 * 0.57 + 102.80 * 4 * 1 + 189.19 * 4.05 * 0.29) / max_coefficients = 137.43003724276284

score = 189.81549058723144 * 0.5 + 137.43003724276284 * 0.5 = 163.62276391499714

Rating changes

Show

Date Place Points Reason
2024-03-10 86 -> 94 175.13 -> 163.62
2024-03-06 84 -> 86 192.48 -> 175.13

IX Russian Riichi Championship: 71% -> 57%

2024-02-12 85 -> 84 192.26 -> 192.48

Moscow Riichi 2022: 43% -> 29%

2024-01-20 87 -> 85 192.26
2024-01-06 86 -> 87 207.07 -> 192.26

IX Russian Riichi Championship: 86% -> 71%

2023-12-19 94 -> 86 207.07
2023-12-12 95 -> 94 206.22 -> 207.07

Moscow Riichi 2022: 57% -> 43%

2023-11-28 97 -> 95 240.19 -> 206.22

Saint Petersburg Open 2021: 14% -> 0%

2023-11-20 99 -> 97 240.19
2023-11-06 99 251.76 -> 240.19

IX Russian Riichi Championship: 100% -> 86%

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 57% 4.20 RR IX Russian Riichi Championship
3 189 2022-06-12 91/112 29% 4.05 RR Moscow Riichi 2022
4 733 2021-11-28 21/76 0% 3.45 RR Saint Petersburg Open 2021