Petsilyak Igor
From Moscow, Russia
EMA: 15990408
Internal rating (RR)
Rating date May 6, 2023 (latest changes May 6, 2023).
60 place (337.27).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 3.45 * 0.57) = 13.22118
p1 = (733.33 * 3.45 * 0.57 + 189.19 * 4.05 * 1 + 493.33 * 4.20 * 1 + 0 + 0) / (3.45 * 0.57 + 4.05 * 1 + 4.20 * 1 + 1 + 1) = 350.52322455902925
p2 = (493.33 * 4.20 * 1 + 733.33 * 3.45 * 0.57 + 189.19 * 4.05 * 1) / max_coefficients = 324.01495176678634
score = 350.52322455902925 * 0.5 + 324.01495176678634 * 0.5 = 337.2690881629078
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
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 | |
2023-02-19 | 61 | 343.90 -> 346.09 | |
2023-01-28 | 59 -> 61 | 359.76 -> 343.90 |
Saint Petersburg Open 2021: 86% -> 71% |
2022-12-19 | 59 | 358.12 -> 359.76 | |
2022-11-28 | 58 -> 59 | 372.51 -> 358.12 |
Saint Petersburg Open 2021: 100% -> 86% |
2022-11-06 | 62 -> 58 | 272.22 -> 372.51 |
IX Russian Riichi Championship: 0% -> 100% |
2022-10-14 | 62 | 272.22 |
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 | 100% | 4.05 | RR | Moscow Riichi 2022 |
3 | 733 |
|
21/76 | 57% | 3.45 | RR | Saint Petersburg Open 2021 |