Ryabov Aleksandr

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date Aug. 12, 2023 (latest changes Aug. 12, 2023).

75 place (348.05).

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

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

Show

all results
Date Place Points Reason
2023-08-12 72 -> 75 358.88 -> 348.05

Moscow Riichi 2022: 86% -> 71%
2023-07-28 73 -> 72 358.88
2023-07-20 76 -> 73 358.88
2023-07-05 77 -> 76 358.88
2023-06-12 72 -> 77 368.80 -> 358.88

Moscow Riichi 2022: 100% -> 86%
2023-06-11 87 -> 72 296.47 -> 368.80

Money can not buy tenpai: 0% -> 100%
2023-05-20 89 -> 87 292.03 -> 296.47
2023-05-01 87 -> 89 292.03
2023-04-22 85 -> 87 292.03
2023-04-19 86 -> 85 292.03

Tournaments

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