Grishchenko Aleksandra
From Korolyov, Russia
Common russian riichi rating (CRR)
Rating date May 12, 2024 (latest changes May 12, 2024).
63 place (460.81).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 1 + 3.05 * 1) = 15.399999999999999
p1 = (326.09 * 2.10 * 1 + 822.43 * 4.60 * 1 + 549.02 * 3.05 * 1 + 0 + 0) / (2.10 * 1 + 4.60 * 1 + 3.05 * 1 + 1 + 1) = 522.7634042553192
p2 = (822.43 * 4.60 * 1 + 549.02 * 3.05 * 1 + 326.09 * 2.10 * 1) / max_coefficients = 398.8616883116883
score = 522.7634042553192 * 0.5 + 398.8616883116883 * 0.5 = 460.8125462835037
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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 | |
| 2024-04-25 | 119 -> 118 | 230.85 | |
| 2024-04-12 | 122 -> 119 | 230.85 | |
| 2024-03-30 | 122 | 230.85 |
Seihoku spring tournament 2024: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 822 |
|
20/108 | 100% | 4.60 | RR | X Russian Championship |
| 2 | 326 |
|
32/47 | 100% | 2.10 | RR | Seihoku spring tournament 2024 |
| 3 | 549 |
|
24/52 | 100% | 3.05 | RR | Agari Spring Tournament 2024 |