Petsilyak Igor

From Moscow, Russia

EMA: 15990408

Player page

Internal rating (RR)

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

86 place (207.07).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 4.05 * 0.43) = 13.085650000000001

p1 = (189.19 * 4.05 * 0.43 + 493.33 * 4.20 * 0.86 + 102.80 * 4 * 1 + 0 + 0) / (4.05 * 0.43 + 4.20 * 0.86 + 4 * 1 + 1 + 1) = 221.9122855769188

p2 = (493.33 * 4.20 * 0.86 + 102.80 * 4 * 1 + 189.19 * 4.05 * 0.43) / max_coefficients = 192.23500552131532

score = 221.9122855769188 * 0.5 + 192.23500552131532 * 0.5 = 207.07364554911706

Rating changes

Show

all results
Date Place Points Reason
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%
2023-10-19 100 -> 99 251.76
2023-10-12 101 -> 100 249.02 -> 251.76

Moscow Riichi 2022: 71% -> 57%
2023-09-28 98 -> 101 269.93 -> 249.02

Saint Petersburg Open 2021: 29% -> 14%
2023-09-20 101 -> 98 269.93
2023-09-06 102 -> 101 269.93

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 86% 4.20 RR IX Russian Riichi Championship
3 189 2022-06-12 91/112 43% 4.05 RR Moscow Riichi 2022
4 733 2021-11-28 21/76 0% 3.45 RR Saint Petersburg Open 2021