Petsilyak Igor

From Moscow, Russia

EMA: 15990408

Player page

Common russian riichi rating (CRR)

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

106 place (411.58).

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

p1 = (102.80 * 4 * 0.14 + 205.13 * 2.90 * 0.43 + 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) / (4 * 0.14 + 2.90 * 0.43 + 4.60 * 0.71 + 3.05 * 0.86 + 3.65 * 1 + 3.85 * 1 + 3.75 * 1 + 3.10 * 1 + 3.05 * 1) = 340.0027275107284

p2 = (910.11 * 3.75 * 1 + 738.32 * 4.60 * 0.71 + 258.06 * 3.10 * 1 + 254.90 * 3.05 * 1) / max_coefficients = 483.14788273615636

score = 340.0027275107284 * 0.5 + 483.14788273615636 * 0.5 = 411.5753051234424

Rating changes

Show

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

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 86% 3.05 RR Agari Summer Tournament 2024 Moscow
7 738 2024-05-12 29/108 71% 4.60 RR X Russian Championship Perm
8 205 2023-11-26 32/40 43% 2.90 CRR Autumn Agari tournament Moscow
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