Ryabov Aleksandr

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date May 20, 2023 (latest changes May 20, 2023).

87 place (296.47).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 2.80 * 1 + 3.50 * 0.71) = 13.55005

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 = 249.59465094224743

score = 343.3522842639594 * 0.5 + 249.59465094224743 * 0.5 = 296.4734676031034

Rating changes

Show

all results
Date Place Points Reason
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
2023-03-28 87 -> 86 292.03
2023-03-20 88 -> 87 287.90 -> 292.03
2023-03-06 89 -> 88 287.90
2023-02-25 83 -> 89 287.90
2023-02-19 84 -> 83 287.90
2023-01-28 84 286.66 -> 287.90

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