Parabitov Volfgang
From Russia
Common russian riichi rating (CRR)
Rating date May 3, 2025 (latest changes May 3, 2025).
184 place (252.23).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (640.45 * 3.75 * 1 + 224.30 * 4 * 0.29 + 0 + 0 + 0) / (3.75 * 1 + 4 * 0.29 + 1 + 1 + 1) = 336.7651530508818
p2 = (640.45 * 3.75 * 1 + 224.30 * 4 * 0.29) / max_coefficients = 167.69842271293376
score = 336.7651530508818 * 0.5 + 167.69842271293376 * 0.5 = 252.2317878819078
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-05-03 | 182 -> 184 | 252.48 -> 252.23 |
SPB Riichi Open 2023: 43% -> 29% |
| 2025-04-27 | 178 -> 182 | 252.48 | |
| 2025-04-26 | 176 -> 178 | 252.48 | |
| 2025-04-22 | 177 -> 176 | 252.48 | |
| 2025-04-13 | 175 -> 177 | 252.48 | |
| 2025-04-11 | 176 -> 175 | 252.48 | |
| 2025-03-30 | 177 -> 176 | 252.48 | |
| 2025-03-29 | 175 -> 177 | 252.48 | |
| 2025-03-23 | 170 -> 175 | 252.48 | |
| 2025-03-03 | 171 -> 170 | 253.21 -> 252.48 |
SPB Riichi Open 2023: 57% -> 43% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
|---|---|---|---|---|---|---|---|---|
| 1 | 640 |
|
33/90 | 100% | 3.75 | RR | Moscow Riichi 2024 | Moscow |
| 2 | 224 |
|
84/108 | 29% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg |