Petsilyak Igor

From Moscow, Russia

EMA: 15990408

Player page

Common russian riichi rating (CRR)

Rating date July 24, 2026 (latest changes July 23, 2026).

110 place (443.08).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997

p1 = (177.22 * 3.65 * 0.14 + 42.11 * 3.85 * 0.14 + 910.11 * 3.75 * 0.29 + 258.06 * 3.10 * 0.43 + 254.90 * 3.05 * 0.57 + 466.67 * 2.45 * 0.86 + 181.82 * 3.45 * 1 + 578.95 * 3.90 * 1 + 466.67 * 3 * 1 + 554.05 * 3.40 * 1 + 725.49 * 2.30 * 1 + 251.75 * 4.71 * 1) / (3.65 * 0.14 + 3.85 * 0.14 + 3.75 * 0.29 + 3.10 * 0.43 + 3.05 * 0.57 + 2.45 * 0.86 + 3.45 * 1 + 3.90 * 1 + 3 * 1 + 3.40 * 1 + 2.30 * 1 + 4.71 * 1) = 423.1972487439646

p2 = (578.95 * 3.90 * 1 + 554.05 * 3.40 * 1 + 725.49 * 2.30 * 1 + 466.67 * 3 * 1) / max_coefficients = 462.9670652127153

score = 423.1972487439646 * 0.5 + 462.9670652127153 * 0.5 = 443.08215697834

Rating changes

Show

all results
Date Place Points Reason
2026-07-18 109 -> 110 443.08
2026-07-14 110 -> 109 443.08
2026-07-13 110 443.35 -> 443.08

Agari Summer Tournament 2025: 100% -> 86%
2026-07-12 109 -> 110 443.35
2026-07-11 107 -> 109 443.35
2026-07-07 108 -> 107 442.08 -> 443.35

Moscow Open Riichi Marathon: 57% -> 43%
2026-07-02 110 -> 108 442.08
2026-07-01 113 -> 110 438.54 -> 442.08

SPB Riichi Open 2024: 29% -> 14%
2026-06-16 114 -> 113 438.54
2026-06-15 115 -> 114 430.14 -> 438.54

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 252 2026-06-14 108/144 100% 4.71 RR XII Russian Championship Samara
2 80 2026-04-05 47/51 100% 3.10 RR Moscow Riichi 2026 Moscow
3 725 2026-03-14 15/52 100% 2.30 CRR "Furin" club tournament: for the anniversary Moscow
4 554 2026-02-23 34/75 100% 3.40 RR White Wolf Cup 2026 Saint Petersburg
5 467 2026-01-07 17/31 100% 3.00 RR Moscow Open Riichi Marathon 2026 Moscow
6 579 2025-11-04 25/58 100% 3.90 RR XI Russian Championship Moscow
7 182 2025-08-31 64/78 100% 3.45 RR SPB Riichi Open 2025 Saint Petersburg
8 467 2025-07-13 17/31 86% 2.45 RR Agari Summer Tournament 2025 Moscow
9 255 2025-02-02 39/52 57% 3.05 RR Agari Winter Tournament 2025 Moscow
10 258 2025-01-07 24/32 43% 3.10 RR Moscow Open Riichi Marathon Moscow
11 910 2024-10-13 9/90 29% 3.75 RR Moscow Riichi 2024 Moscow
12 42 2024-09-01 92/96 14% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
13 177 2024-08-04 66/80 14% 3.65 RR Riichi over Volga Samara
14 0 2024-06-09 52/52 0% 3.05 RR Agari Summer Tournament 2024 Moscow
15 738 2024-05-12 29/108 0% 4.60 RR X Russian Championship Perm
16 205 2023-11-26 32/40 0% 2.90 CRR Autumn Agari tournament Moscow
17 103 2023-09-03 97/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
18 493 2022-11-06 39/76 0% 4.20 RR IX Russian Riichi Championship Perm
19 189 2022-06-12 91/112 0% 4.05 RR Moscow Riichi 2022 Moscow
20 733 2021-11-28 21/76 0% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg