Petsilyak Igor
From Moscow, Russia
EMA: 15990408
Common russian riichi rating (CRR)
Rating date July 6, 2023 (latest changes July 6, 2023).
91 place (305.05).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 2.80 * 1) = 14.221255
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 = 268.12542212343425
score = 341.9825693894802 * 0.5 + 268.12542212343425 * 0.5 = 305.0539957564572
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-07-06 | 92 -> 91 | 305.05 | |
2023-07-03 | 93 -> 92 | 305.05 | |
2023-06-19 | 95 -> 93 | 305.05 | |
2023-06-12 | 95 | 299.74 -> 305.05 |
Moscow Riichi 2022: 100% -> 86% |
2023-06-11 | 78 -> 95 | 311.97 -> 299.74 | |
2023-05-28 | 73 -> 78 | 333.34 -> 311.97 |
Saint Petersburg Open 2021: 57% -> 43% |
2023-05-20 | 74 -> 73 | 327.71 -> 333.34 | |
2023-05-01 | 73 -> 74 | 327.71 | |
2023-04-19 | 74 -> 73 | 327.71 | |
2023-03-28 | 69 -> 74 | 348.00 -> 327.71 |
Saint Petersburg Open 2021: 71% -> 57% |
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 |