Petsilyak Igor
From Moscow, Russia
EMA: 15990408
Internal rating (RR)
Rating date June 2, 2024 (latest changes May 12, 2024).
77 place (356.57).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 1 + 3.05 * 1) = 15.399999999999999
p1 = (189.19 * 4.05 * 0.14 + 493.33 * 4.20 * 0.43 + 102.80 * 4 * 1 + 738.32 * 4.60 * 1 + 0) / (4.05 * 0.14 + 4.20 * 0.43 + 4 * 1 + 4.60 * 1 + 1) = 401.1248144127178
p2 = (738.32 * 4.60 * 1 + 493.33 * 4.20 * 0.43 + 102.80 * 4 * 1 + 189.19 * 4.05 * 0.14) / max_coefficients = 312.01428571428573
score = 401.1248144127178 * 0.5 + 312.01428571428573 * 0.5 = 356.56955006350177
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-05-12 | 105 -> 77 | 138.67 -> 356.57 |
X Russian Championship: 0% -> 100% |
| 2024-05-06 | 102 -> 105 | 159.50 -> 138.67 |
IX Russian Riichi Championship: 57% -> 43% |
| 2024-04-12 | 102 | 163.62 -> 159.50 |
Moscow Riichi 2022: 29% -> 14% |
| 2024-03-30 | 89 -> 102 | 163.62 | |
| 2024-03-20 | 95 -> 89 | 163.62 | |
| 2024-03-10 | 87 -> 95 | 175.13 -> 163.62 | |
| 2024-03-06 | 85 -> 87 | 192.48 -> 175.13 |
IX Russian Riichi Championship: 71% -> 57% |
| 2024-02-12 | 86 -> 85 | 192.26 -> 192.48 |
Moscow Riichi 2022: 43% -> 29% |
| 2024-01-20 | 88 -> 86 | 192.26 | |
| 2024-01-06 | 87 -> 88 | 207.07 -> 192.26 |
IX Russian Riichi Championship: 86% -> 71% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 738 |
|
29/108 | 100% | 4.60 | RR | X Russian Championship |
| 2 | 103 |
|
97/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
| 3 | 493 |
|
39/76 | 43% | 4.20 | RR | IX Russian Riichi Championship |
| 4 | 189 |
|
91/112 | 14% | 4.05 | RR | Moscow Riichi 2022 |
| 5 | 733 |
|
21/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |