Petsilyak Igor
From Moscow, Russia
EMA: 15990408
Common russian riichi rating (CRR)
Rating date Oct. 19, 2023 (latest changes Oct. 19, 2023).
124 place (247.97).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 2.80 * 1) = 14.75
p1 = (733.33 * 3.45 * 0.14 + 189.19 * 4.05 * 0.57 + 493.33 * 4.20 * 1 + 102.80 * 4 * 1 + 0) / (3.45 * 0.14 + 4.05 * 0.57 + 4.20 * 1 + 4 * 1 + 1) = 273.38403912660556
p2 = (493.33 * 4.20 * 1 + 189.19 * 4.05 * 0.57 + 102.80 * 4 * 1 + 733.33 * 3.45 * 0.14) / max_coefficients = 222.5471186440678
score = 273.38403912660556 * 0.5 + 222.5471186440678 * 0.5 = 247.9655788853367
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-10-19 | 125 -> 124 | 247.97 | |
2023-10-12 | 126 -> 125 | 249.02 -> 247.97 |
Moscow Riichi 2022: 71% -> 57% |
2023-09-28 | 119 -> 126 | 269.93 -> 249.02 |
Saint Petersburg Open 2021: 29% -> 14% |
2023-09-20 | 121 -> 119 | 269.93 | |
2023-09-06 | 122 -> 121 | 269.93 | |
2023-09-03 | 97 -> 122 | 288.29 -> 269.93 |
SPB Riichi Open 2023: 0% -> 100% |
2023-08-27 | 95 -> 97 | 288.29 | |
2023-08-26 | 94 -> 95 | 288.29 | |
2023-08-19 | 95 -> 94 | 288.29 | |
2023-08-12 | 97 -> 95 | 283.29 -> 288.29 |
Moscow Riichi 2022: 86% -> 71% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 103 |
|
97/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
2 | 493 |
|
39/76 | 100% | 4.20 | RR | IX Russian Riichi Championship |
3 | 189 |
|
91/112 | 57% | 4.05 | RR | Moscow Riichi 2022 |
4 | 733 |
|
21/76 | 14% | 3.45 | RR | Saint Petersburg Open 2021 |