Ryabov Aleksandr

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date Aug. 26, 2023 (latest changes Aug. 26, 2023).

74 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 + 594.59 * 4.05 * 0.71 + 436.78 * 3.75 * 1 + 0 + 0) / (2.80 * 1 + 4.05 * 0.71 + 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

Date Place Points Reason
2023-08-19 76 -> 74 348.05
2023-08-12 73 -> 76 358.88 -> 348.05

Moscow Riichi 2022: 86% -> 71%

2023-07-28 74 -> 73 358.88
2023-07-20 77 -> 74 358.88
2023-07-05 78 -> 77 358.88
2023-06-12 73 -> 78 368.80 -> 358.88

Moscow Riichi 2022: 100% -> 86%

2023-06-11 88 -> 73 296.47 -> 368.80

Money can not buy tenpai: 0% -> 100%

2023-05-20 90 -> 88 292.03 -> 296.47
2023-05-01 88 -> 90 292.03
2023-04-22 86 -> 88 292.03

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