Naumov Aleksandr

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date Aug. 23, 2025 (latest changes Aug. 22, 2025).

261 place (113.04).

max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.50 * 1) = 15.2

p1 = (727.27 * 2.10 * 0.14 + 347.83 * 2.10 * 0.57 + 137.25 * 3.05 * 0.71 + 0 + 0) / (2.10 * 0.14 + 2.10 * 0.57 + 3.05 * 0.71 + 1 + 1) = 164.59032040213816

p2 = (347.83 * 2.10 * 0.57 + 137.25 * 3.05 * 0.71 + 727.27 * 2.10 * 0.14) / max_coefficients = 61.49013157894737

score = 164.59032040213816 * 0.5 + 61.49013157894737 * 0.5 = 113.04022599054277

Rating changes

Show

Date Place Points Reason
2025-08-22 258 -> 261 134.33 -> 113.04

Mushroom League: 29% -> 14%

2025-08-09 258 134.41 -> 134.33

Agari Summer Tournament 2024: 86% -> 71%

2025-08-04 258 134.02 -> 134.41
2025-08-03 252 -> 258 134.02
2025-07-30 249 -> 252 140.96 -> 134.02

Seihoku spring tournament 2024: 71% -> 57%

2025-07-26 246 -> 249 140.96
2025-07-13 244 -> 246 140.96
2025-07-12 244 140.16 -> 140.96
2025-06-22 235 -> 244 158.50 -> 140.16

Mushroom League: 43% -> 29%

2025-06-15 227 -> 235 159.95 -> 158.50

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 137 2024-06-09 45/52 71% 3.05 RR Agari Summer Tournament 2024 Moscow
2 348 2024-03-30 31/47 57% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
3 727 2023-10-22 7/23 14% 2.10 CRR Mushroom League Moscow