Grashhenko Artem
From Moscow, Russia
Internal rating (RR)
Rating date July 30, 2025 (latest changes July 30, 2025).
189 place (142.46).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.35
p1 = (565.22 * 2.10 * 0.57 + 254.90 * 3.05 * 0.86 + 0 + 0 + 0) / (2.10 * 0.57 + 3.05 * 0.86 + 1 + 1 + 1) = 197.3233422780281
p2 = (565.22 * 2.10 * 0.57 + 254.90 * 3.05 * 0.86) / max_coefficients = 87.59478827361563
score = 197.3233422780281 * 0.5 + 87.59478827361563 * 0.5 = 142.45906527582187
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-07-30 | 187 -> 189 | 155.74 -> 142.46 |
Seihoku spring tournament 2024: 71% -> 57% |
| 2025-07-13 | 183 -> 187 | 155.74 | |
| 2025-07-12 | 183 | 154.82 -> 155.74 | |
| 2025-07-03 | 184 -> 183 | 154.82 | |
| 2025-06-15 | 172 -> 184 | 156.25 -> 154.82 | |
| 2025-06-11 | 180 -> 172 | 156.25 | |
| 2025-06-09 | 178 -> 180 | 161.12 -> 156.25 |
Agari Summer Tournament 2024: 100% -> 86% |
| 2025-05-30 | 176 -> 178 | 173.39 -> 161.12 |
Seihoku spring tournament 2024: 86% -> 71% |
| 2025-05-12 | 176 | 170.94 -> 173.39 | |
| 2025-05-03 | 174 -> 176 | 170.94 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 255 |
|
39/52 | 86% | 3.05 | RR | Agari Summer Tournament 2024 | Moscow | |
| 2 | 565 |
|
21/47 | 57% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg |