Grishchenko Aleksandra
From Korolyov, Russia
Common russian riichi rating (CRR)
Rating date July 14, 2024 (latest changes July 14, 2024).
45 place (549.42).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 0.86 + 3.05 * 1) = 14.864125000000001
p1 = (549.02 * 3.05 * 1 + 326.09 * 2.10 * 1 + 822.43 * 4.60 * 1 + 322.58 * 1.80 * 1 + 789.47 * 1.50 * 1) / (3.05 * 1 + 2.10 * 1 + 4.60 * 1 + 1.80 * 1 + 1.50 * 1) = 605.9256704980842
p2 = (822.43 * 4.60 * 1 + 549.02 * 3.05 * 1 + 789.47 * 1.50 * 1 + 326.09 * 2.10 * 1) / max_coefficients = 492.91027894342915
score = 605.9256704980842 * 0.5 + 492.91027894342915 * 0.5 = 549.4179747207567
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-07-14 | 41 -> 45 | 549.42 | |
| 2024-06-11 | 42 -> 41 | 540.84 -> 549.42 | |
| 2024-06-09 | 39 -> 42 | 540.84 | |
| 2024-05-25 | 56 -> 39 | 486.14 -> 540.84 |
Duplicate riichi mahjong tournament 2024: 0% -> 100% |
| 2024-05-19 | 63 -> 56 | 460.81 -> 486.14 |
"Green Dragon" in the Secret Chamber: 0% -> 100% |
| 2024-05-12 | 114 -> 63 | 230.85 -> 460.81 |
X Russian Championship: 0% -> 100% |
| 2024-05-09 | 115 -> 114 | 230.85 | |
| 2024-05-06 | 118 -> 115 | 230.85 | |
| 2024-05-05 | 117 -> 118 | 230.85 | |
| 2024-04-27 | 118 -> 117 | 230.85 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 789 |
|
5/20 | 100% | 1.50 | CRR | Duplicate riichi mahjong tournament 2024 |
| 2 | 323 |
|
22/32 | 100% | 1.80 | CRR | "Green Dragon" in the Secret Chamber |
| 3 | 822 |
|
20/108 | 100% | 4.60 | RR | X Russian Championship |
| 4 | 326 |
|
32/47 | 100% | 2.10 | RR | Seihoku spring tournament 2024 |
| 5 | 549 |
|
24/52 | 100% | 3.05 | RR | Agari Spring Tournament 2024 |