Naumov Aleksandr

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date Nov. 30, 2025 (latest changes Nov. 30, 2025).

274 place (56.90).

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 * 0.57 + 0 + 0 + 0) / (2.10 * 0.29 + 3.05 * 0.57 + 1 + 1 + 1) = 83.83151716160621

p2 = (137.25 * 3.05 * 0.57 + 347.83 * 2.10 * 0.29) / max_coefficients = 29.959197324414717

score = 83.83151716160621 * 0.5 + 29.959197324414717 * 0.5 = 56.895357243010466

Rating changes

Show

Date Place Points Reason
2025-11-30 273 -> 274 67.40 -> 56.90

Seihoku spring tournament 2024: 43% -> 29%

2025-11-25 274 -> 273 67.40
2025-11-10 275 -> 274 67.40
2025-11-04 270 -> 275 68.24 -> 67.40
2025-11-01 270 68.18 -> 68.24
2025-10-22 260 -> 270 104.79 -> 68.18

Mushroom League: 14% -> 0%

2025-10-13 260 103.97 -> 104.79
2025-10-09 259 -> 260 105.24 -> 103.97

Agari Summer Tournament 2024: 71% -> 57%

2025-09-30 257 -> 259 113.87 -> 105.24

Seihoku spring tournament 2024: 57% -> 43%

2025-09-12 258 -> 257 113.87

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 137 2024-06-09 45/52 57% 3.05 RR Agari Summer Tournament 2024 Moscow
2 348 2024-03-30 31/47 29% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
3 727 2023-10-22 7/23 0% 2.10 CRR Mushroom League Moscow