Ryabov Aleksandr

From Moscow, Russia

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Common russian riichi rating (CRR)

Rating date Sept. 1, 2023 (latest changes Sept. 1, 2023).

73 place (348.05).

max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.71 + 2.80 * 1) = 13.642914999999999

p1 = (347.83 * 2.80 * 1 + 436.78 * 3.75 * 1 + 594.59 * 4.05 * 0.71 + 0 + 0) / (2.80 * 1 + 3.75 * 1 + 4.05 * 0.71 + 1 + 1) = 378.57049536765766

p2 = (594.59 * 4.05 * 0.71 + 436.78 * 3.75 * 1 + 347.83 * 2.80 * 1) / max_coefficients = 317.5237843232183

score = 378.57049536765766 * 0.5 + 317.5237843232183 * 0.5 = 348.047139845438

Rating changes

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all results
Date Place Points Reason
2023-09-01 73 348.05

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 437 2023-06-11 50/88 100% 3.75 RR Money can not buy tenpai Perm
2 348 2022-12-18 16/24 100% 2.80 CRR Meeting in the billiard room Moscow
3 595 2022-06-12 46/112 71% 4.05 RR Moscow Riichi 2022 Moscow