Petsilyak Igor
From Moscow, Russia
EMA: 15990408
Internal rating (RR)
Rating date July 6, 2023 (latest changes July 6, 2023).
76 place (307.94).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 3.50 * 0.71) = 13.921305
p1 = (733.33 * 3.45 * 0.43 + 189.19 * 4.05 * 0.86 + 493.33 * 4.20 * 1 + 0 + 0) / (3.45 * 0.43 + 4.05 * 0.86 + 4.20 * 1 + 1 + 1) = 341.9825693894802
p2 = (493.33 * 4.20 * 1 + 733.33 * 3.45 * 0.43 + 189.19 * 4.05 * 0.86) / max_coefficients = 273.90248256180007
score = 341.9825693894802 * 0.5 + 273.90248256180007 * 0.5 = 307.94252597564014
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-07-06 | 77 -> 76 | 307.94 | |
2023-06-19 | 79 -> 77 | 307.94 | |
2023-06-12 | 80 -> 79 | 302.48 -> 307.94 |
Moscow Riichi 2022: 100% -> 86% |
2023-06-11 | 62 -> 80 | 323.86 -> 302.48 | |
2023-05-28 | 59 -> 62 | 343.63 -> 323.86 |
Saint Petersburg Open 2021: 57% -> 43% |
2023-05-20 | 60 -> 59 | 337.27 -> 343.63 | |
2023-05-06 | 61 -> 60 | 337.27 | |
2023-04-19 | 62 -> 61 | 334.35 -> 337.27 | |
2023-03-28 | 59 -> 62 | 352.05 -> 334.35 |
Saint Petersburg Open 2021: 71% -> 57% |
2023-03-20 | 61 -> 59 | 346.09 -> 352.05 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 493 |
|
39/76 | 100% | 4.20 | RR | IX Russian Riichi Championship |
2 | 189 |
|
91/112 | 86% | 4.05 | RR | Moscow Riichi 2022 |
3 | 733 |
|
21/76 | 43% | 3.45 | RR | Saint Petersburg Open 2021 |