Petsilyak Igor
From Moscow, Russia
EMA: 15990408
Internal rating (RR)
Rating date Aug. 19, 2023 (latest changes Aug. 19, 2023).
78 place (295.92).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.71 + 3.50 * 0.57) = 12.842815
p1 = (733.33 * 3.45 * 0.29 + 189.19 * 4.05 * 0.71 + 493.33 * 4.20 * 1 + 0 + 0) / (3.45 * 0.29 + 4.05 * 0.71 + 4.20 * 1 + 1 + 1) = 331.6072303836453
p2 = (493.33 * 4.20 * 1 + 733.33 * 3.45 * 0.29 + 189.19 * 4.05 * 0.71) / max_coefficients = 260.2334457048552
score = 331.6072303836453 * 0.5 + 260.2334457048552 * 0.5 = 295.92033804425023
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-08-12 | 82 -> 78 | 290.52 -> 295.92 |
Moscow Riichi 2022: 86% -> 71% |
2023-07-28 | 75 -> 82 | 313.05 -> 290.52 |
Saint Petersburg Open 2021: 43% -> 29% |
2023-07-20 | 76 -> 75 | 307.94 -> 313.05 | |
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 |
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 | 71% | 4.05 | RR | Moscow Riichi 2022 |
3 | 733 |
|
21/76 | 29% | 3.45 | RR | Saint Petersburg Open 2021 |