Parabitov Volfgang
From Russia
Internal rating (RR)
Rating date March 10, 2025 (latest changes March 10, 2025).
148 place (252.48).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (224.30 * 4 * 0.43 + 640.45 * 3.75 * 1 + 0 + 0 + 0) / (4 * 0.43 + 3.75 * 1 + 1 + 1 + 1) = 329.1704078257171
p2 = (640.45 * 3.75 * 1 + 224.30 * 4 * 0.43) / max_coefficients = 175.78738170347003
score = 329.1704078257171 * 0.5 + 175.78738170347003 * 0.5 = 252.47889476459358
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-03-03 | 148 | 253.21 -> 252.48 |
SPB Riichi Open 2023: 57% -> 43% |
| 2025-03-02 | 143 -> 148 | 253.21 | |
| 2025-02-16 | 134 -> 143 | 253.21 | |
| 2025-02-11 | 136 -> 134 | 253.21 | |
| 2025-02-02 | 128 -> 136 | 253.21 | |
| 2025-01-26 | 121 -> 128 | 253.21 | |
| 2025-01-07 | 117 -> 121 | 253.21 | |
| 2025-01-03 | 117 | 254.33 -> 253.21 |
SPB Riichi Open 2023: 71% -> 57% |
| 2024-12-11 | 118 -> 117 | 254.33 | |
| 2024-11-06 | 124 -> 118 | 254.33 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 640 |
|
33/90 | 100% | 3.75 | RR | Moscow Riichi 2024 |
| 2 | 224 |
|
84/108 | 43% | 4.00 | RR | SPB Riichi Open 2023 |