Petsilyak Igor
From Moscow, Russia
EMA: 15990408
Internal rating (RR)
Rating date Jan. 20, 2024 (latest changes Jan. 20, 2024).
85 place (192.26).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 4.05 * 0.43) = 12.485890000000001
p1 = (189.19 * 4.05 * 0.43 + 493.33 * 4.20 * 0.71 + 102.80 * 4 * 1 + 0 + 0) / (4.05 * 0.43 + 4.20 * 0.71 + 4 * 1 + 1 + 1) = 206.74951028745633
p2 = (493.33 * 4.20 * 0.71 + 102.80 * 4 * 1 + 189.19 * 4.05 * 0.43) / max_coefficients = 177.77186888559802
score = 206.74951028745633 * 0.5 + 177.77186888559802 * 0.5 = 192.26068958652718
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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 | |
| 2023-12-12 | 95 -> 94 | 206.22 -> 207.07 |
Moscow Riichi 2022: 57% -> 43% |
| 2023-11-28 | 97 -> 95 | 240.19 -> 206.22 |
Saint Petersburg Open 2021: 14% -> 0% |
| 2023-11-20 | 99 -> 97 | 240.19 | |
| 2023-11-06 | 99 | 251.76 -> 240.19 |
IX Russian Riichi Championship: 100% -> 86% |
| 2023-10-19 | 100 -> 99 | 251.76 | |
| 2023-10-12 | 101 -> 100 | 249.02 -> 251.76 |
Moscow Riichi 2022: 71% -> 57% |
| 2023-09-28 | 98 -> 101 | 269.93 -> 249.02 |
Saint Petersburg Open 2021: 29% -> 14% |
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 | 71% | 4.20 | RR | IX Russian Riichi Championship |
| 3 | 189 |
|
91/112 | 43% | 4.05 | RR | Moscow Riichi 2022 |
| 4 | 733 |
|
21/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |