Petsilyak Igor
From Moscow, Russia
EMA: 15990408
Internal rating (RR)
Rating date May 6, 2024 (latest changes May 6, 2024).
104 place (138.67).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.10 * 1) = 12.9
p1 = (189.19 * 4.05 * 0.14 + 493.33 * 4.20 * 0.43 + 102.80 * 4 * 1 + 0 + 0) / (4.05 * 0.14 + 4.20 * 0.43 + 4 * 1 + 1 + 1) = 168.13255733324263
p2 = (493.33 * 4.20 * 0.43 + 102.80 * 4 * 1 + 189.19 * 4.05 * 0.14) / max_coefficients = 109.20620155038759
score = 168.13255733324263 * 0.5 + 109.20620155038759 * 0.5 = 138.66937944181512
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-05-06 | 101 -> 104 | 159.50 -> 138.67 |
IX Russian Riichi Championship: 57% -> 43% |
| 2024-04-12 | 101 | 163.62 -> 159.50 |
Moscow Riichi 2022: 29% -> 14% |
| 2024-03-30 | 88 -> 101 | 163.62 | |
| 2024-03-20 | 94 -> 88 | 163.62 | |
| 2024-03-10 | 86 -> 94 | 175.13 -> 163.62 | |
| 2024-03-06 | 84 -> 86 | 192.48 -> 175.13 |
IX Russian Riichi Championship: 71% -> 57% |
| 2024-02-12 | 85 -> 84 | 192.26 -> 192.48 |
Moscow Riichi 2022: 43% -> 29% |
| 2024-01-20 | 87 -> 85 | 192.26 | |
| 2024-01-06 | 86 -> 87 | 207.07 -> 192.26 |
IX Russian Riichi Championship: 86% -> 71% |
| 2023-12-19 | 94 -> 86 | 207.07 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 103 |
|
97/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
| 2 | 493 |
|
39/76 | 43% | 4.20 | RR | IX Russian Riichi Championship |
| 3 | 189 |
|
91/112 | 14% | 4.05 | RR | Moscow Riichi 2022 |
| 4 | 733 |
|
21/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |