Chavgun Vladimir
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date Aug. 19, 2023 (latest changes Aug. 19, 2023).
139 place (154.90).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.71 + 2.80 * 1) = 13.642914999999999
p1 = (213.33 * 3.45 * 0.29 + 615.38 * 1.80 * 1 + 32.26 * 1.80 * 1 + 0 + 0) / (3.45 * 0.29 + 1.80 * 1 + 1.80 * 1 + 1 + 1) = 208.9432122648206
p2 = (615.38 * 1.80 * 1 + 213.33 * 3.45 * 0.29 + 32.26 * 1.80 * 1) / max_coefficients = 100.86040996370645
score = 208.9432122648206 * 0.5 + 100.86040996370645 * 0.5 = 154.90181111426352
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-08-12 | 140 -> 139 | 152.85 -> 154.90 | |
2023-07-28 | 140 | 156.70 -> 152.85 |
Saint Petersburg Open 2021: 43% -> 29% |
2023-07-20 | 141 -> 140 | 156.70 | |
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 |
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 | 29% | 3.45 | RR | Saint Petersburg Open 2021 |