Naumov Aleksandr
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date May 5, 2025 (latest changes May 5, 2025).
222 place (163.24).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (727.27 * 2.10 * 0.43 + 347.83 * 2.10 * 0.86 + 137.25 * 3.05 * 1 + 0 + 0) / (2.10 * 0.43 + 2.10 * 0.86 + 3.05 * 1 + 1 + 1) = 219.2627842430358
p2 = (727.27 * 2.10 * 0.43 + 347.83 * 2.10 * 0.86 + 137.25 * 3.05 * 1) / max_coefficients = 107.21009463722399
score = 219.2627842430358 * 0.5 + 107.21009463722399 * 0.5 = 163.2364394401299
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-05-03 | 219 -> 222 | 163.24 | |
| 2025-04-27 | 213 -> 219 | 163.24 | |
| 2025-04-26 | 212 -> 213 | 163.24 | |
| 2025-04-22 | 212 | 179.58 -> 163.24 |
Mushroom League: 57% -> 43% |
| 2025-04-13 | 210 -> 212 | 179.58 | |
| 2025-04-11 | 209 -> 210 | 179.58 | |
| 2025-03-30 | 207 -> 209 | 184.84 -> 179.58 |
Seihoku spring tournament 2024: 100% -> 86% |
| 2025-03-29 | 204 -> 207 | 184.84 | |
| 2025-03-23 | 196 -> 204 | 184.84 | |
| 2025-03-03 | 197 -> 196 | 184.84 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
|---|---|---|---|---|---|---|---|---|
| 1 | 137 |
|
45/52 | 100% | 3.05 | RR | Agari Summer Tournament 2024 | Moscow |
| 2 | 348 |
|
31/47 | 86% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg |
| 3 | 727 |
|
7/23 | 43% | 2.10 | CRR | Mushroom League | Moscow |