Chavgun Vladimir
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date March 6, 2024 (latest changes March 6, 2024).
171 place (69.45).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 2.90 * 1 + 4.20 * 0.57) = 13.04988
p1 = (615.38 * 1.80 * 0.43 + 32.26 * 1.80 * 0.86 + 0 + 0 + 0) / (1.80 * 0.43 + 1.80 * 0.86 + 1 + 1 + 1) = 98.7023593124913
p2 = (615.38 * 1.80 * 0.43 + 32.26 * 1.80 * 0.86) / max_coefficients = 40.19423933400154
score = 98.7023593124913 * 0.5 + 40.19423933400154 * 0.5 = 69.44829932324642
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-03-06 | 171 | 68.56 -> 69.45 | |
| 2024-03-03 | 172 -> 171 | 68.56 | |
| 2024-02-27 | 167 -> 172 | 86.28 -> 68.56 |
Sun tournament: 57% -> 43% |
| 2024-02-25 | 166 -> 167 | 84.59 -> 86.28 |
Earth cup: 100% -> 86% |
| 2024-01-09 | 167 -> 166 | 84.59 | |
| 2024-01-06 | 167 | 83.52 -> 84.59 | |
| 2024-01-05 | 168 -> 167 | 83.52 | |
| 2024-01-03 | 169 -> 168 | 83.52 | |
| 2023-12-27 | 167 -> 169 | 99.58 -> 83.52 |
Sun tournament: 71% -> 57% |
| 2023-12-19 | 177 -> 167 | 99.58 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 32 |
|
31/32 | 86% | 1.80 | CRR | Earth cup |
| 2 | 615 |
|
16/40 | 43% | 1.80 | CRR | Sun tournament |
| 3 | 213 |
|
60/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |