Ryabov Aleksandr

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date Feb. 19, 2023 (latest changes Feb. 19, 2023).

84 place (287.90).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 2.80 * 1) = 14.55

p1 = (594.59 * 4.05 * 1 + 347.83 * 2.80 * 1 + 0 + 0 + 0) / (4.05 * 1 + 2.80 * 1 + 1 + 1 + 1) = 343.3522842639594

p2 = (594.59 * 4.05 * 1 + 347.83 * 2.80 * 1) / max_coefficients = 232.44123711340205

score = 343.3522842639594 * 0.5 + 232.44123711340205 * 0.5 = 287.89676068868073

Rating changes

Show

all results
Date Place Points Reason
2023-02-19 85 -> 84 287.90
2023-01-28 85 286.66 -> 287.90
2023-01-14 84 -> 85 286.66
2023-01-06 86 -> 84 286.66
2023-01-03 87 -> 86 286.66
2022-12-19 87 285.55 -> 286.66
2022-12-18 87 285.55

Meeting in the billiard room: 0% -> 100%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 348 2022-12-18 16/24 100% 2.80 CRR Meeting in the billiard room
2 595 2022-06-12 46/112 100% 4.05 RR Moscow Riichi 2022