Petsilyak Igor
From Moscow, Russia
EMA: 15990408
Internal rating (RR)
Rating date Sept. 3, 2024 (latest changes Sept. 3, 2024).
112 place (290.78).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284
p1 = (493.33 * 4.20 * 0.29 + 102.80 * 4 * 0.86 + 738.32 * 4.60 * 1 + 177.22 * 3.65 * 1 + 0 * 3.05 * 1 + 42.11 * 3.85 * 1) / (4.20 * 0.29 + 4 * 0.86 + 4.60 * 1 + 3.65 * 1 + 3.05 * 1 + 3.85 * 1) = 260.36714911362634
p2 = (738.32 * 4.60 * 1 + 177.22 * 3.65 * 1 + 493.33 * 4.20 * 0.29 + 102.80 * 4 * 0.86) / max_coefficients = 321.18698642487317
score = 260.36714911362634 * 0.5 + 321.18698642487317 * 0.5 = 290.77706776924975
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-09-03 | 113 -> 112 | 284.69 -> 290.78 |
SPB Riichi Open 2023: 100% -> 86% |
2024-09-01 | 95 -> 113 | 317.83 -> 284.69 |
SPB Riichi Open 2024: 0% -> 100% |
2024-08-11 | 95 | 316.08 -> 317.83 | |
2024-08-04 | 94 -> 95 | 306.81 -> 316.08 |
Riichi over Volga: 0% -> 100% |
2024-07-14 | 89 -> 94 | 306.81 | |
2024-07-06 | 85 -> 89 | 320.42 -> 306.81 |
IX Russian Riichi Championship: 43% -> 29% |
2024-06-11 | 91 -> 85 | 327.26 -> 320.42 | |
2024-06-09 | 77 -> 91 | 356.57 -> 327.26 |
Agari Summer Tournament 2024: 0% -> 100% |
2024-05-12 | 104 -> 77 | 138.67 -> 356.57 |
X Russian Championship: 0% -> 100% |
2024-05-06 | 101 -> 104 | 159.50 -> 138.67 |
IX Russian Riichi Championship: 57% -> 43% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 42 |
|
92/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 |
2 | 177 |
|
66/80 | 100% | 3.65 | RR | Riichi over Volga |
3 | 0 |
|
52/52 | 100% | 3.05 | RR | Agari Summer Tournament 2024 |
4 | 738 |
|
29/108 | 100% | 4.60 | RR | X Russian Championship |
5 | 103 |
|
97/108 | 86% | 4.00 | RR | SPB Riichi Open 2023 |
6 | 493 |
|
39/76 | 29% | 4.20 | RR | IX Russian Riichi Championship |
7 | 189 |
|
91/112 | 0% | 4.05 | RR | Moscow Riichi 2022 |
8 | 733 |
|
21/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |