Ryabov Aleksandr

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date Jan. 6, 2023 (latest changes Jan. 6, 2023).

83 place (286.66).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.45 * 0.86) = 14.706995

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

p2 = (594.59 * 4.05 * 1 + 347.83 * 2.80 * 1) / max_coefficients = 229.9599612293334

score = 343.3522842639594 * 0.5 + 229.9599612293334 * 0.5 = 286.6561227466464

Rating changes

Show

all results
Date Place Points Reason
2023-01-06 85 -> 83 286.66
2023-01-03 86 -> 85 286.66
2022-12-19 86 285.55 -> 286.66
2022-12-18 86 285.55

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