Petsilyak Igor

From Moscow, Russia

EMA: 15990408

Player page

Internal rating (RR)

Rating date March 10, 2026 (latest changes March 10, 2026).

82 place (473.28).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (738.32 * 4.60 * 0.29 + 0 * 3.05 * 0.29 + 177.22 * 3.65 * 0.43 + 42.11 * 3.85 * 0.43 + 910.11 * 3.75 * 0.57 + 258.06 * 3.10 * 0.71 + 254.90 * 3.05 * 0.86 + 466.67 * 2.45 * 1 + 578.95 * 3.90 * 1 + 466.67 * 3 * 1 + 554.05 * 3.40 * 1) / (4.60 * 0.29 + 3.05 * 0.29 + 3.65 * 0.43 + 3.85 * 0.43 + 3.75 * 0.57 + 3.10 * 0.71 + 3.05 * 0.86 + 2.45 * 1 + 3.90 * 1 + 3 * 1 + 3.40 * 1) = 445.4360316766543

p2 = (578.95 * 3.90 * 1 + 910.11 * 3.75 * 0.57 + 554.05 * 3.40 * 1 + 466.67 * 3 * 1) / max_coefficients = 501.12441471571907

score = 445.4360316766543 * 0.5 + 501.12441471571907 * 0.5 = 473.2802231961867

Rating changes

Show

all results
Date Place Points Reason
2026-03-07 82 471.66 -> 473.28

Moscow Open Riichi Marathon: 86% -> 71%
2026-03-02 83 -> 82 471.66
2026-03-01 86 -> 83 467.45 -> 471.66

SPB Riichi Open 2024: 57% -> 43%
2026-02-23 88 -> 86 433.99 -> 467.45

White Wolf Cup 2026: 0% -> 100%
2026-02-16 89 -> 88 433.99
2026-02-13 82 -> 89 455.70 -> 433.99

Moscow Riichi 2024: 71% -> 57%
2026-02-09 84 -> 82 451.97 -> 455.70

Agari Summer Tournament 2024: 43% -> 29%
2026-02-08 83 -> 84 451.97
2026-02-04 83 449.49 -> 451.97

Riichi over Volga: 57% -> 43%
2026-02-02 84 -> 83 448.14 -> 449.49

Agari Winter Tournament 2025: 100% -> 86%

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 554 2026-02-23 34/75 100% 3.40 RR White Wolf Cup 2026 Saint Petersburg
2 467 2026-01-07 17/31 100% 3.00 RR Moscow Open Riichi Marathon 2026 Moscow
3 579 2025-11-04 25/58 100% 3.90 RR XI Russian Championship Moscow
4 182 2025-08-31 64/78 100% 3.45 RR SPB Riichi Open 2025 Saint Petersburg
5 467 2025-07-13 17/31 100% 2.45 RR Agari Summer Tournament 2025 Moscow
6 255 2025-02-02 39/52 86% 3.05 RR Agari Winter Tournament 2025 Moscow
7 258 2025-01-07 24/32 71% 3.10 RR Moscow Open Riichi Marathon Moscow
8 910 2024-10-13 9/90 57% 3.75 RR Moscow Riichi 2024 Moscow
9 42 2024-09-01 92/96 43% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
10 177 2024-08-04 66/80 43% 3.65 RR Riichi over Volga Samara
11 0 2024-06-09 52/52 29% 3.05 RR Agari Summer Tournament 2024 Moscow
12 738 2024-05-12 29/108 29% 4.60 RR X Russian Championship Perm
13 103 2023-09-03 97/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
14 493 2022-11-06 39/76 0% 4.20 RR IX Russian Riichi Championship Perm
15 189 2022-06-12 91/112 0% 4.05 RR Moscow Riichi 2022 Moscow
16 733 2021-11-28 21/76 0% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg