Chavgun Vladimir
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date July 9, 2023 (latest changes July 9, 2023).
141 place (156.70).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 2.80 * 1) = 14.221255
p1 = (213.33 * 3.45 * 0.43 + 615.38 * 1.80 * 1 + 32.26 * 1.80 * 1 + 0 + 0) / (3.45 * 0.43 + 1.80 * 1 + 1.80 * 1 + 1 + 1) = 209.24834750030726
p2 = (615.38 * 1.80 * 1 + 213.33 * 3.45 * 0.43 + 32.26 * 1.80 * 1) / max_coefficients = 104.15395828286604
score = 209.24834750030726 * 0.5 + 104.15395828286604 * 0.5 = 156.70115289158664
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-06-12 | 141 | 154.66 -> 156.70 | |
2023-06-11 | 126 -> 141 | 159.28 -> 154.66 | |
2023-05-28 | 127 -> 126 | 163.29 -> 159.28 |
Saint Petersburg Open 2021: 57% -> 43% |
2023-05-20 | 128 -> 127 | 161.21 -> 163.29 | |
2023-05-06 | 129 -> 128 | 161.21 | |
2023-05-01 | 127 -> 129 | 161.21 | |
2023-04-22 | 121 -> 127 | 161.21 | |
2023-03-28 | 121 | 165.07 -> 161.21 |
Saint Petersburg Open 2021: 71% -> 57% |
2023-03-20 | 122 -> 121 | 163.00 -> 165.07 | |
2023-03-03 | 123 -> 122 | 163.00 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 32 |
|
31/32 | 100% | 1.80 | CRR | Earth cup |
2 | 615 |
|
16/40 | 100% | 1.80 | CRR | Sun tournament |
3 | 213 |
|
60/76 | 43% | 3.45 | RR | Saint Petersburg Open 2021 |