Petsilyak Igor
From Moscow, Russia
EMA: 15990408
Common russian riichi rating (CRR)
Rating date Feb. 12, 2024 (latest changes Feb. 12, 2024).
124 place (211.26).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 2.90 * 1) = 13.650060000000002
p1 = (189.19 * 4.05 * 0.29 + 493.33 * 4.20 * 0.71 + 102.80 * 4 * 1 + 205.13 * 2.90 * 1 + 0) / (4.05 * 0.29 + 4.20 * 0.71 + 4 * 1 + 2.90 * 1 + 1) = 224.34996012737676
p2 = (493.33 * 4.20 * 0.71 + 205.13 * 2.90 * 1 + 102.80 * 4 * 1 + 189.19 * 4.05 * 0.29) / max_coefficients = 198.16909229703018
score = 224.34996012737676 * 0.5 + 198.16909229703018 * 0.5 = 211.25952621220347
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-02-12 | 124 | 214.46 -> 211.26 |
Moscow Riichi 2022: 43% -> 29% |
| 2024-01-20 | 126 -> 124 | 214.46 | |
| 2024-01-06 | 121 -> 126 | 226.64 -> 214.46 |
IX Russian Riichi Championship: 86% -> 71% |
| 2023-12-19 | 127 -> 121 | 226.64 | |
| 2023-12-12 | 130 -> 127 | 229.52 -> 226.64 |
Moscow Riichi 2022: 57% -> 43% |
| 2023-11-28 | 128 -> 130 | 247.54 -> 229.52 |
Saint Petersburg Open 2021: 14% -> 0% |
| 2023-11-26 | 131 -> 128 | 236.44 -> 247.54 |
Autumn Agari tournament: 0% -> 100% |
| 2023-11-20 | 133 -> 131 | 236.44 | |
| 2023-11-06 | 129 -> 133 | 247.97 -> 236.44 |
IX Russian Riichi Championship: 100% -> 86% |
| 2023-11-05 | 124 -> 129 | 247.97 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 205 |
|
32/40 | 100% | 2.90 | CRR | Autumn Agari tournament |
| 2 | 103 |
|
97/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
| 3 | 493 |
|
39/76 | 71% | 4.20 | RR | IX Russian Riichi Championship |
| 4 | 189 |
|
91/112 | 29% | 4.05 | RR | Moscow Riichi 2022 |
| 5 | 733 |
|
21/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |