Aleksanyan Anna
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date Nov. 1, 2025 (latest changes Nov. 1, 2025).
170 place (284.44).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.50 * 1 + 3.45 * 1 + 3.25 * 1) = 14.3
p1 = (663.16 * 3.85 * 0.71 + 146.07 * 3.75 * 0.86 + 32.26 * 3.10 * 1 + 547.62 * 2.60 * 1 + 39.22 * 3.05 * 1 + 16.95 * 3.25 * 1 + 157.89 * 1.50 * 1 + 149.25 * 4.10 * 1 + 324.68 * 3.45 * 1) / (3.85 * 0.71 + 3.75 * 0.86 + 3.10 * 1 + 2.60 * 1 + 3.05 * 1 + 3.25 * 1 + 1.50 * 1 + 4.10 * 1 + 3.45 * 1) = 220.6474525600999
p2 = (663.16 * 3.85 * 0.71 + 547.62 * 2.60 * 1 + 324.68 * 3.45 * 1 + 149.25 * 4.10 * 1) / max_coefficients = 348.2237762237762
score = 220.6474525600999 * 0.5 + 348.2237762237762 * 0.5 = 284.4356143919381
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-11-01 | 157 -> 170 | 300.95 -> 284.44 |
SPB Riichi Open 2024: 86% -> 71% |
| 2025-10-13 | 162 -> 157 | 294.49 -> 300.95 |
Moscow Riichi 2024: 100% -> 86% |
| 2025-10-04 | 164 -> 162 | 294.49 | |
| 2025-09-15 | 165 -> 164 | 294.49 | |
| 2025-09-14 | 164 -> 165 | 294.49 | |
| 2025-09-12 | 165 -> 164 | 294.49 | |
| 2025-09-10 | 166 -> 165 | 294.49 | |
| 2025-09-03 | 170 -> 166 | 294.49 | |
| 2025-09-01 | 160 -> 170 | 305.92 -> 294.49 |
SPB Riichi Open 2024: 100% -> 86% |
| 2025-08-31 | 174 -> 160 | 281.04 -> 305.92 |
SPB Riichi Open 2025: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 325 |
|
53/78 | 100% | 3.45 | RR | SPB Riichi Open 2025 | Saint Petersburg | |
| 2 | 149 |
|
58/68 | 100% | 4.10 | RR | 13 bloody tiles | Perm | |
| 3 | 158 |
|
17/20 | 100% | 1.50 | CRR | HaTiKo | Korolyov | |
| 4 | 17 |
|
59/60 | 100% | 3.25 | RR | White Wolf Cup | Saint Petersburg | |
| 5 | 39 |
|
50/52 | 100% | 3.05 | RR | Agari Winter Tournament 2025 | Moscow | |
| 6 | 548 |
|
20/43 | 100% | 2.60 | RR | Riichi On Ice | Samara | |
| 7 | 32 |
|
31/32 | 100% | 3.10 | RR | Moscow Open Riichi Marathon | Moscow | |
| 8 | 146 |
|
77/90 | 86% | 3.75 | RR | Moscow Riichi 2024 | Moscow | |
| 9 | 663 |
|
33/96 | 71% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg | |
| 10 | 467 |
|
9/16 | 0% | 1.20 | RR | Riichi mahjong tournament | Arkhangelsk |