Shumakov Aleksandr

From Novosibirsk, Russia

Player page

Common russian riichi rating (CRR)

Rating date Nov. 3, 2026 (latest changes Nov. 3, 2026).

341 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

Date Place Points Reason
2026-11-01 337 -> 341 104.86
2026-10-31 334 -> 337 104.86
2026-10-29 335 -> 334 104.86
2026-10-24 331 -> 335 104.86
2026-10-16 333 -> 331 104.86
2026-10-14 334 -> 333 104.86
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

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