Grashhenko Artem
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date Jan. 5, 2025 (latest changes Jan. 5, 2025).
156 place (236.44).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (454.55 * 2.10 * 0.71 + 254.90 * 3.05 * 1 + 565.22 * 2.10 * 1 + 0 + 0) / (2.10 * 0.71 + 3.05 * 1 + 2.10 * 1 + 1 + 1) = 305.9226384185951
p2 = (565.22 * 2.10 * 1 + 254.90 * 3.05 * 1 + 454.55 * 2.10 * 0.71) / max_coefficients = 166.95520504731863
score = 305.9226384185951 * 0.5 + 166.95520504731863 * 0.5 = 236.43892173295689
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-01-04 | 153 -> 156 | 236.44 | |
| 2025-01-03 | 157 -> 153 | 236.44 | |
| 2024-12-29 | 156 -> 157 | 236.44 | |
| 2024-12-22 | 155 -> 156 | 243.23 -> 236.44 |
Mushroom League: 86% -> 71% |
| 2024-12-01 | 154 -> 155 | 243.23 | |
| 2024-11-05 | 156 -> 154 | 243.23 | |
| 2024-10-22 | 153 -> 156 | 249.86 -> 243.23 |
Mushroom League: 100% -> 86% |
| 2024-10-13 | 144 -> 153 | 251.77 -> 249.86 | |
| 2024-09-15 | 142 -> 144 | 251.77 | |
| 2024-09-03 | 142 | 248.43 -> 251.77 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 255 |
|
39/52 | 100% | 3.05 | RR | Agari Summer Tournament 2024 |
| 2 | 565 |
|
21/47 | 100% | 2.10 | RR | Seihoku spring tournament 2024 |
| 3 | 455 |
|
13/23 | 71% | 2.10 | CRR | Mushroom League |