Petsilyak Igor

From Moscow, Russia

EMA: 15990408

Player page

Common russian riichi rating (CRR)

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

92 place (454.22).

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

p1 = (258.06 * 3.10 * 1 + 102.80 * 4 * 0.14 + 205.13 * 2.90 * 0.43 + 254.90 * 3.05 * 1 + 738.32 * 4.60 * 0.71 + 0 * 3.05 * 0.86 + 177.22 * 3.65 * 1 + 910.11 * 3.75 * 1 + 466.67 * 2.45 * 1) / (3.10 * 1 + 4 * 0.14 + 2.90 * 0.43 + 3.05 * 1 + 4.60 * 0.71 + 3.05 * 0.86 + 3.65 * 1 + 3.75 * 1 + 2.45 * 1) = 401.45143419788974

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 = 401.45143419788974 * 0.5 + 506.98371335504885 * 0.5 = 454.2175737764693

Rating changes

Show

all results
Date Place Points Reason
2025-07-13 106 -> 92 411.58 -> 454.22

Agari Summer Tournament 2025: 0% -> 100%
2025-07-12 100 -> 106 427.63 -> 411.58

X Russian Championship: 86% -> 71%
2025-07-03 100 424.95 -> 427.63

SPB Riichi Open 2023: 29% -> 14%
2025-06-15 95 -> 100 432.43 -> 424.95
2025-06-14 93 -> 95 432.43
2025-06-11 96 -> 93 432.43
2025-06-09 96 429.63 -> 432.43

Agari Summer Tournament 2024: 100% -> 86%
2025-05-26 96 428.61 -> 429.63

Autumn Agari tournament: 57% -> 43%
2025-05-12 95 -> 96 437.87 -> 428.61

X Russian Championship: 100% -> 86%
2025-05-03 91 -> 95 435.41 -> 437.87

SPB Riichi Open 2023: 43% -> 29%

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
9 205 2023-11-26 32/40 43% 2.90 CRR Autumn Agari tournament Moscow
10 103 2023-09-03 97/108 14% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
11 493 2022-11-06 39/76 0% 4.20 RR IX Russian Riichi Championship Perm
12 189 2022-06-12 91/112 0% 4.05 RR Moscow Riichi 2022 Moscow
13 733 2021-11-28 21/76 0% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg