Ryabov Aleksandr

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

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

77 place (358.88).

max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 2.80 * 1) = 14.221255

p1 = (594.59 * 4.05 * 0.86 + 436.78 * 3.75 * 1 + 347.83 * 2.80 * 1 + 0 + 0) / (4.05 * 0.86 + 3.75 * 1 + 2.80 * 1 + 1 + 1) = 388.963548315047

p2 = (594.59 * 4.05 * 0.86 + 436.78 * 3.75 * 1 + 347.83 * 2.80 * 1) / max_coefficients = 328.7916572763796

score = 388.963548315047 * 0.5 + 328.7916572763796 * 0.5 = 358.8776027957133

Rating changes

Show

all results
Date Place Points Reason
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
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

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 86% 4.05 RR Moscow Riichi 2022