Naumov Aleksandr

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date Feb. 28, 2026 (latest changes Feb. 28, 2026).

309 place (34.34).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (347.83 * 2.10 * 0.14 + 137.25 * 3.05 * 0.29 + 0 + 0 + 0) / (2.10 * 0.14 + 3.05 * 0.29 + 1 + 1 + 1) = 53.693238003344135

p2 = (137.25 * 3.05 * 0.29 + 347.83 * 2.10 * 0.14) / max_coefficients = 14.981939799331103

score = 53.693238003344135 * 0.5 + 14.981939799331103 * 0.5 = 34.33758890133762

Rating changes

Show

all results
Date Place Points Reason
2026-02-25 312 -> 309 34.34
2026-02-23 304 -> 312 34.34
2026-02-09 302 -> 304 40.29 -> 34.34

Agari Summer Tournament 2024: 43% -> 29%
2026-02-08 301 -> 302 40.29
2026-01-30 296 -> 301 52.53 -> 40.29

Seihoku spring tournament 2024: 29% -> 14%
2026-01-25 290 -> 296 52.53
2026-01-10 291 -> 290 52.53
2026-01-07 289 -> 291 52.53
2026-01-03 285 -> 289 52.53
2025-12-29 286 -> 285 52.53

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 137 2024-06-09 45/52 29% 3.05 RR Agari Summer Tournament 2024 Moscow
2 348 2024-03-30 31/47 14% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
3 727 2023-10-22 7/23 0% 2.10 CRR Mushroom League Moscow