Petsilyak Igor

From Moscow, Russia

EMA: 15990408

Player page

Common russian riichi rating (CRR)

Rating date Jan. 22, 2025 (latest changes Jan. 14, 2025).

85 place (431.58).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85

p1 = (102.80 * 4 * 0.57 + 205.13 * 2.90 * 0.86 + 738.32 * 4.60 * 1 + 0 * 3.05 * 1 + 177.22 * 3.65 * 1 + 42.11 * 3.85 * 1 + 910.11 * 3.75 * 1 + 258.06 * 3.10 * 1) / (4 * 0.57 + 2.90 * 0.86 + 4.60 * 1 + 3.05 * 1 + 3.65 * 1 + 3.85 * 1 + 3.75 * 1 + 3.10 * 1) = 342.26943217690354

p2 = (910.11 * 3.75 * 1 + 738.32 * 4.60 * 1 + 258.06 * 3.10 * 1 + 177.22 * 3.65 * 1) / max_coefficients = 520.8845425867509

score = 342.26943217690354 * 0.5 + 520.8845425867509 * 0.5 = 431.57698738182717

Rating changes

Show

all results
Date Place Points Reason
2025-01-07 83 -> 85 427.94 -> 431.58

Moscow Open Riichi Marathon: 0% -> 100%
2025-01-03 84 -> 83 424.98 -> 427.94

SPB Riichi Open 2023: 71% -> 57%
2024-12-18 85 -> 84 424.98
2024-12-11 89 -> 85 424.98
2024-11-26 88 -> 89 426.47 -> 424.98

Autumn Agari tournament: 100% -> 86%
2024-11-05 90 -> 88 428.23 -> 426.47
2024-11-04 89 -> 90 428.23
2024-11-03 91 -> 89 425.52 -> 428.23

SPB Riichi Open 2023: 86% -> 71%
2024-10-25 90 -> 91 425.52
2024-10-22 91 -> 90 425.52

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 258 2025-01-07 24/32 100% 3.10 RR Moscow Open Riichi Marathon
2 910 2024-10-13 9/90 100% 3.75 RR Moscow Riichi 2024
3 42 2024-09-01 92/96 100% 3.85 RR SPB Riichi Open 2024
4 177 2024-08-04 66/80 100% 3.65 RR Riichi over Volga
5 0 2024-06-09 52/52 100% 3.05 RR Agari Summer Tournament 2024
6 738 2024-05-12 29/108 100% 4.60 RR X Russian Championship
7 205 2023-11-26 32/40 86% 2.90 CRR Autumn Agari tournament
8 103 2023-09-03 97/108 57% 4.00 RR SPB Riichi Open 2023
9 493 2022-11-06 39/76 0% 4.20 RR IX Russian Riichi Championship
10 189 2022-06-12 91/112 0% 4.05 RR Moscow Riichi 2022
11 733 2021-11-28 21/76 0% 3.45 RR Saint Petersburg Open 2021