Petsilyak Igor
From Moscow, Russia
EMA: 15990408
Common russian riichi rating (CRR)
Rating date March 28, 2023 (latest changes March 28, 2023).
74 place (327.71).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 2.80 * 1) = 14.04985
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 = 304.9043228219519
score = 350.52322455902925 * 0.5 + 304.9043228219519 * 0.5 = 327.7137736904906
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-03-28 | 69 -> 74 | 348.00 -> 327.71 |
Saint Petersburg Open 2021: 71% -> 57% |
2023-03-20 | 69 | 342.32 -> 348.00 | |
2023-03-06 | 70 -> 69 | 342.32 | |
2023-02-25 | 68 -> 70 | 342.32 | |
2023-01-28 | 65 -> 68 | 359.76 -> 342.32 |
Saint Petersburg Open 2021: 86% -> 71% |
2023-01-14 | 64 -> 65 | 359.76 | |
2023-01-03 | 65 -> 64 | 359.76 | |
2022-12-19 | 65 | 358.12 -> 359.76 | |
2022-12-18 | 63 -> 65 | 358.12 | |
2022-12-03 | 63 | 358.12 |
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 |