Shumakov Aleksandr

From Novosibirsk, Russia

Player page

Common russian riichi rating (CRR)

Rating date Oct. 13, 2026 (latest changes Oct. 13, 2026).

334 place (104.86).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41

p1 = (32.26 * 2.40 * 0.43 + 371.43 * 2.50 * 1 + 0 + 0 + 0) / (2.40 * 0.43 + 2.50 * 1 + 1 + 1 + 1) = 147.31245711204784

p2 = (371.43 * 2.50 * 1 + 32.26 * 2.40 * 0.43) / max_coefficients = 62.41077222582739

score = 147.31245711204784 * 0.5 + 62.41077222582739 * 0.5 = 104.86161466893762

Rating changes

Show

all results
Date Place Points Reason
2026-10-13 338 -> 334 102.35 -> 104.86

Akademgorodok Riichi Mahjong Tournament 2025: 57% -> 43%
2026-10-10 337 -> 338 102.35
2026-09-26 336 -> 337 102.35
2026-09-23 337 -> 336 102.35
2026-09-15 338 -> 337 102.35
2026-09-06 331 -> 338 102.35
2026-09-01 336 -> 331 102.35
2026-08-31 336 102.25 -> 102.35
2026-08-30 334 -> 336 102.25
2026-08-29 335 -> 334 102.25

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 43% 2.40 CRR Akademgorodok Riichi Mahjong Tournament 2025 Novosibirsk