Petsilyak Igor

From Moscow, Russia

EMA: 15990408

Player page

Internal rating (RR)

Rating date Sept. 20, 2023 (latest changes Sept. 20, 2023).

98 place (269.93).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915

p1 = (733.33 * 3.45 * 0.29 + 189.19 * 4.05 * 0.71 + 493.33 * 4.20 * 1 + 102.80 * 4 * 1 + 0) / (3.45 * 0.29 + 4.05 * 0.71 + 4.20 * 1 + 4 * 1 + 1) = 286.98375511714573

p2 = (493.33 * 4.20 * 1 + 733.33 * 3.45 * 0.29 + 189.19 * 4.05 * 0.71 + 102.80 * 4 * 1) / max_coefficients = 252.87081412242813

score = 286.98375511714573 * 0.5 + 252.87081412242813 * 0.5 = 269.9272846197869

Rating changes

Show

all results
Date Place Points Reason
2023-09-20 101 -> 98 269.93
2023-09-06 102 -> 101 269.93
2023-09-03 78 -> 102 295.92 -> 269.93

SPB Riichi Open 2023: 0% -> 100%
2023-08-12 82 -> 78 290.52 -> 295.92

Moscow Riichi 2022: 86% -> 71%
2023-07-28 75 -> 82 313.05 -> 290.52

Saint Petersburg Open 2021: 43% -> 29%
2023-07-20 76 -> 75 307.94 -> 313.05
2023-07-06 77 -> 76 307.94
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

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 71% 4.05 RR Moscow Riichi 2022
4 733 2021-11-28 21/76 29% 3.45 RR Saint Petersburg Open 2021