Shumakov Aleksandr

From Novosibirsk, Russia

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Common russian riichi rating (CRR)

Rating date April 20, 2026 (latest changes April 19, 2026).

307 place (99.10).

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

p1 = (32.26 * 2.40 * 0.86 + 371.43 * 2.50 * 1 + 0 + 0 + 0) / (2.40 * 0.86 + 2.50 * 1 + 1 + 1 + 1) = 131.656045224056

p2 = (371.43 * 2.50 * 1 + 32.26 * 2.40 * 0.86) / max_coefficients = 66.55050167224081

score = 131.656045224056 * 0.5 + 66.55050167224081 * 0.5 = 99.1032734481484

Rating changes

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all results
Date Place Points Reason
2026-04-19 307 99.10

Akademgorodok Riichi Mahjong Tournament 2026: 0% -> 100%

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 86% 2.40 CRR Akademgorodok Riichi Mahjong Tournament 2025 Novosibirsk