Grashhenko Artem
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date Nov. 5, 2025 (latest changes Nov. 5, 2025).
261 place (116.31).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (565.22 * 2.10 * 0.43 + 254.90 * 3.05 * 0.57 + 0 + 0 + 0) / (2.10 * 0.43 + 3.05 * 0.57 + 1 + 1 + 1) = 168.88157183540883
p2 = (565.22 * 2.10 * 0.43 + 254.90 * 3.05 * 0.57) / max_coefficients = 63.7438127090301
score = 168.88157183540883 * 0.5 + 63.7438127090301 * 0.5 = 116.31269227221946
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-11-04 | 253 -> 261 | 117.76 -> 116.31 | |
| 2025-11-01 | 254 -> 253 | 117.65 -> 117.76 | |
| 2025-10-22 | 243 -> 254 | 148.15 -> 117.65 |
Mushroom League: 14% -> 0% |
| 2025-10-13 | 243 | 147.00 -> 148.15 | |
| 2025-10-09 | 241 -> 243 | 152.15 -> 147.00 |
Agari Summer Tournament 2024: 71% -> 57% |
| 2025-09-30 | 235 -> 241 | 166.91 -> 152.15 |
Seihoku spring tournament 2024: 57% -> 43% |
| 2025-09-19 | 236 -> 235 | 166.91 | |
| 2025-09-15 | 238 -> 236 | 166.91 | |
| 2025-09-03 | 246 -> 238 | 166.91 | |
| 2025-09-01 | 246 | 165.69 -> 166.91 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 255 |
|
39/52 | 57% | 3.05 | RR | Agari Summer Tournament 2024 | Moscow | |
| 2 | 565 |
|
21/47 | 43% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg | |
| 3 | 455 |
|
13/23 | 0% | 2.10 | CRR | Mushroom League | Moscow |