Shumakov Aleksandr

From Novosibirsk, Russia

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Common russian riichi rating (CRR)

Rating date May 17, 2026 (latest changes May 17, 2026).

309 place (99.33).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85

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 = 66.9986531986532

score = 131.656045224056 * 0.5 + 66.9986531986532 * 0.5 = 99.3273492113546

Rating changes

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all results
Date Place Points Reason
2026-05-17 310 -> 309 99.33
2026-05-12 318 -> 310 99.33
2026-05-11 315 -> 318 99.33
2026-05-05 316 -> 315 99.33
2026-05-03 307 -> 316 99.10 -> 99.33
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