Petsilyak Igor

From Moscow, Russia

EMA: 15990408

Player page

Common russian riichi rating (CRR)

Rating date May 12, 2025 (latest changes May 12, 2025).

96 place (428.61).

max_coefficients = (4.60 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.19266

p1 = (102.80 * 4 * 0.29 + 205.13 * 2.90 * 0.57 + 738.32 * 4.60 * 0.86 + 0 * 3.05 * 1 + 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) / (4 * 0.29 + 2.90 * 0.57 + 4.60 * 0.86 + 3.05 * 1 + 3.65 * 1 + 3.85 * 1 + 3.75 * 1 + 3.10 * 1 + 3.05 * 1) = 337.13866901633247

p2 = (910.11 * 3.75 * 1 + 738.32 * 4.60 * 0.86 + 258.06 * 3.10 * 1 + 254.90 * 3.05 * 1) / max_coefficients = 520.0741673939916

score = 337.13866901633247 * 0.5 + 520.0741673939916 * 0.5 = 428.6064182051621

Rating changes

Show

all results
Date Place Points Reason
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%
2025-04-26 90 -> 91 435.41
2025-03-26 90 434.43 -> 435.41

Autumn Agari tournament: 71% -> 57%
2025-03-05 89 -> 90 434.43
2025-03-03 90 -> 89 432.13 -> 434.43

SPB Riichi Open 2023: 57% -> 43%
2025-03-02 89 -> 90 432.13
2025-02-25 93 -> 89 432.13
2025-02-16 88 -> 93 432.13
2025-02-11 90 -> 88 432.13

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 255 2025-02-02 39/52 100% 3.05 RR Agari Winter Tournament 2025 Moscow
2 258 2025-01-07 24/32 100% 3.10 RR Moscow Open Riichi Marathon Moscow
3 910 2024-10-13 9/90 100% 3.75 RR Moscow Riichi 2024 Moscow
4 42 2024-09-01 92/96 100% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
5 177 2024-08-04 66/80 100% 3.65 RR Riichi over Volga Samara
6 0 2024-06-09 52/52 100% 3.05 RR Agari Summer Tournament 2024 Moscow
7 738 2024-05-12 29/108 86% 4.60 RR X Russian Championship Perm
8 205 2023-11-26 32/40 57% 2.90 CRR Autumn Agari tournament Moscow
9 103 2023-09-03 97/108 29% 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