Naumov Aleksandr
From Moscow, Russia
Internal rating (RR)
Rating date Dec. 10, 2025 (latest changes Dec. 9, 2025).
222 place (52.53).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (347.83 * 2.10 * 0.29 + 137.25 * 3.05 * 0.43 + 0 + 0 + 0) / (2.10 * 0.29 + 3.05 * 0.43 + 1 + 1 + 1) = 79.0899087055755
p2 = (347.83 * 2.10 * 0.29 + 137.25 * 3.05 * 0.43) / max_coefficients = 25.960535117056857
score = 79.0899087055755 * 0.5 + 25.960535117056857 * 0.5 = 52.52522191131618
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-12-09 | 222 | 56.90 -> 52.53 |
Agari Summer Tournament 2024: 57% -> 43% |
| 2025-12-07 | 218 -> 222 | 56.90 | |
| 2025-11-30 | 216 -> 218 | 67.40 -> 56.90 |
Seihoku spring tournament 2024: 43% -> 29% |
| 2025-11-04 | 210 -> 216 | 68.24 -> 67.40 | |
| 2025-11-01 | 210 | 68.18 -> 68.24 | |
| 2025-10-13 | 210 | 67.59 -> 68.18 | |
| 2025-10-09 | 210 | 71.03 -> 67.59 |
Agari Summer Tournament 2024: 71% -> 57% |
| 2025-09-30 | 210 | 80.36 -> 71.03 |
Seihoku spring tournament 2024: 57% -> 43% |
| 2025-09-03 | 216 -> 210 | 80.36 | |
| 2025-09-01 | 216 | 79.72 -> 80.36 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 137 |
|
45/52 | 43% | 3.05 | RR | Agari Summer Tournament 2024 | Moscow | |
| 2 | 348 |
|
31/47 | 29% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg |