Petsilyak Igor

From Moscow, Russia

EMA: 15990408

Player page

Common russian riichi rating (CRR)

Rating date Sept. 5, 2023 (latest changes Sept. 5, 2023).

122 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

Date Place Points Reason
2023-09-03 97 -> 122 288.29 -> 269.93

SPB Riichi Open 2023: 0% -> 100%

2023-08-27 95 -> 97 288.29
2023-08-26 94 -> 95 288.29
2023-08-19 95 -> 94 288.29
2023-08-12 97 -> 95 283.29 -> 288.29

Moscow Riichi 2022: 86% -> 71%

2023-07-28 90 -> 97 305.05 -> 283.29

Saint Petersburg Open 2021: 43% -> 29%

2023-07-20 91 -> 90 305.05
2023-07-06 92 -> 91 305.05
2023-07-03 93 -> 92 305.05
2023-06-19 95 -> 93 305.05

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