Petsilyak Igor

From Moscow, Russia

EMA: 15990408

Player page

Internal rating (RR)

Rating date July 18, 2025 (latest changes July 14, 2025).

93 place (432.57).

max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.35

p1 = (102.80 * 4 * 0.14 + 738.32 * 4.60 * 0.71 + 0 * 3.05 * 0.86 + 177.22 * 3.65 * 1 + 42.11 * 3.85 * 1 + 910.11 * 3.75 * 1 + 258.06 * 3.10 * 1 + 254.90 * 3.05 * 1 + 466.67 * 2.45 * 1) / (4 * 0.14 + 4.60 * 0.71 + 3.05 * 0.86 + 3.65 * 1 + 3.85 * 1 + 3.75 * 1 + 3.10 * 1 + 3.05 * 1 + 2.45 * 1) = 358.1614826035032

p2 = (910.11 * 3.75 * 1 + 738.32 * 4.60 * 0.71 + 466.67 * 2.45 * 1 + 258.06 * 3.10 * 1) / max_coefficients = 506.98371335504885

score = 358.1614826035032 * 0.5 + 506.98371335504885 * 0.5 = 432.572597979276

Rating changes

Show

all results
Date Place Points Reason
2025-07-13 94 -> 93 415.09 -> 432.57

Agari Summer Tournament 2025: 0% -> 100%
2025-07-12 92 -> 94 431.31 -> 415.09

X Russian Championship: 86% -> 71%
2025-07-10 93 -> 92 431.31
2025-07-03 94 -> 93 428.41 -> 431.31

SPB Riichi Open 2023: 29% -> 14%
2025-06-15 87 -> 94 435.89 -> 428.41
2025-06-11 89 -> 87 435.89
2025-06-09 89 432.89 -> 435.89

Agari Summer Tournament 2024: 100% -> 86%
2025-05-12 88 -> 89 442.34 -> 432.89

X Russian Championship: 100% -> 86%
2025-05-03 83 -> 88 439.64 -> 442.34

SPB Riichi Open 2023: 43% -> 29%
2025-04-26 82 -> 83 439.64

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 467 2025-07-13 17/31 100% 2.45 RR Agari Summer Tournament 2025 Moscow
2 255 2025-02-02 39/52 100% 3.05 RR Agari Winter Tournament 2025 Moscow
3 258 2025-01-07 24/32 100% 3.10 RR Moscow Open Riichi Marathon Moscow
4 910 2024-10-13 9/90 100% 3.75 RR Moscow Riichi 2024 Moscow
5 42 2024-09-01 92/96 100% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
6 177 2024-08-04 66/80 100% 3.65 RR Riichi over Volga Samara
7 0 2024-06-09 52/52 86% 3.05 RR Agari Summer Tournament 2024 Moscow
8 738 2024-05-12 29/108 71% 4.60 RR X Russian Championship Perm
9 103 2023-09-03 97/108 14% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
10 493 2022-11-06 39/76 0% 4.20 RR IX Russian Riichi Championship Perm
11 189 2022-06-12 91/112 0% 4.05 RR Moscow Riichi 2022 Moscow
12 733 2021-11-28 21/76 0% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg