Sotnikova Anna
From Kirov, Russia
Common russian riichi rating (CRR)
Rating date Dec. 10, 2025 (latest changes Dec. 9, 2025).
121 place (389.60).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (157.89 * 1.50 * 1 + 419.35 * 3.10 * 1 + 209.30 * 3 * 1 + 1000 * 2.90 * 1 + 0) / (1.50 * 1 + 3.10 * 1 + 3 * 1 + 2.90 * 1 + 1) = 440.4130434782609
p2 = (1000 * 2.90 * 1 + 419.35 * 3.10 * 1 + 209.30 * 3 * 1 + 157.89 * 1.50 * 1) / max_coefficients = 338.77926421404686
score = 440.4130434782609 * 0.5 + 338.77926421404686 * 0.5 = 389.59615384615387
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-12-09 | 122 -> 121 | 389.60 | |
| 2025-12-07 | 225 -> 122 | 185.15 -> 389.60 |
Discard League Autumn Season 2025: 0% -> 100% |
| 2025-12-06 | 224 -> 225 | 185.15 | |
| 2025-12-04 | 225 -> 224 | 185.15 | |
| 2025-11-30 | 227 -> 225 | 185.15 | |
| 2025-11-25 | 228 -> 227 | 185.15 | |
| 2025-11-22 | 227 -> 228 | 185.15 | |
| 2025-11-19 | 228 -> 227 | 185.15 | |
| 2025-11-12 | 230 -> 228 | 185.15 | |
| 2025-11-04 | 222 -> 230 | 188.44 -> 185.15 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1000 |
|
🥇 | 1/16 | 100% | 2.90 | CRR | Discard League Autumn Season 2025 | Kirov |
| 2 | 209 |
|
35/44 | 100% | 3.00 | RR | Two roosters and Chuckles | Kirov | |
| 3 | 419 |
|
19/32 | 100% | 3.10 | RR | Moscow Open Riichi Marathon | Moscow | |
| 4 | 158 |
|
17/20 | 100% | 1.50 | CRR | Dirty Riichi | Kirov | |
| 5 | 267 |
|
12/16 | 0% | 1.20 | CRR | I still can declare riichi | Kirov | |
| 6 | 667 |
|
6/16 | 0% | 1.20 | CRR | Vyatka rooster | Kirov | |
| 7 | 400 |
|
34/56 | 0% | 3.30 | RR | Kirov Tournament | Kirov |