Voil Anna
From Moscow, Russia
Internal rating (RR)
Rating date Feb. 11, 2025 (latest changes Feb. 11, 2025).
145 place (222.20).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (373.83 * 4 * 0.57 + 571.43 * 2.60 * 1 + 0 + 0 + 0) / (4 * 0.57 + 2.60 * 1 + 1 + 1 + 1) = 296.7611849447093
p2 = (571.43 * 2.60 * 1 + 373.83 * 4 * 0.57) / max_coefficients = 147.6429022082019
score = 296.7611849447093 * 0.5 + 147.6429022082019 * 0.5 = 222.2020435764556
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-02-11 | 146 -> 145 | 222.20 | |
| 2025-02-02 | 138 -> 146 | 222.20 | |
| 2025-01-26 | 133 -> 138 | 147.72 -> 222.20 |
Riichi On Ice: 0% -> 100% |
| 2024-06-09 | 121 -> 133 | 147.72 | |
| 2024-05-12 | 100 -> 121 | 157.16 -> 147.72 | |
| 2024-05-06 | 102 -> 100 | 155.84 -> 157.16 | |
| 2024-04-12 | 103 -> 102 | 149.33 -> 155.84 |
Moscow Riichi 2022: 29% -> 14% |
| 2024-03-30 | 90 -> 103 | 149.33 | |
| 2024-03-20 | 98 -> 90 | 149.33 | |
| 2024-03-10 | 93 -> 98 | 158.88 -> 149.33 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 571 |
|
19/43 | 100% | 2.60 | RR | Riichi On Ice | Samara | |
| 2 | 374 |
|
68/108 | 57% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 3 | 9 |
|
111/112 | 0% | 4.05 | RR | Moscow Riichi 2022 | Moscow |