Shumakov Aleksandr

From Novosibirsk, Russia

Player page

Common russian riichi rating (CRR)

Rating date June 29, 2026 (latest changes June 29, 2026).

316 place (99.78).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997

p1 = (32.26 * 2.40 * 0.71 + 371.43 * 2.50 * 1 + 0 + 0 + 0) / (2.40 * 0.71 + 2.50 * 1 + 1 + 1 + 1) = 136.377371671897

p2 = (371.43 * 2.50 * 1 + 32.26 * 2.40 * 0.71) / max_coefficients = 63.17343334546887

score = 136.377371671897 * 0.5 + 63.17343334546887 * 0.5 = 99.77540250868294

Rating changes

Show

all results
Date Place Points Reason
2026-06-15 316 98.63 -> 99.78
2026-06-14 306 -> 316 101.32 -> 98.63
2026-06-13 308 -> 306 99.33 -> 101.32

Akademgorodok Riichi Mahjong Tournament 2025: 86% -> 71%
2026-06-09 311 -> 308 99.33
2026-05-31 306 -> 311 99.33
2026-05-25 310 -> 306 99.33
2026-05-19 311 -> 310 99.33
2026-05-17 309 -> 311 99.33
2026-05-12 317 -> 309 99.33
2026-05-11 314 -> 317 99.33

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 371 2026-04-19 23/36 100% 2.50 CRR Akademgorodok Riichi Mahjong Tournament 2026 Novosibirsk
2 32 2025-04-13 31/32 71% 2.40 CRR Akademgorodok Riichi Mahjong Tournament 2025 Novosibirsk