Ryabov Aleksandr

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date Nov. 28, 2023 (latest changes Nov. 28, 2023).

18 place (612.77).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.90 * 1) = 14.249820000000001

p1 = (347.83 * 2.80 * 1 + 594.59 * 4.05 * 0.57 + 436.78 * 3.75 * 1 + 831.78 * 4 * 1 + 897.44 * 2.90 * 1 + 363.64 * 2.10 * 1) / (2.80 * 1 + 4.05 * 0.57 + 3.75 * 1 + 4 * 1 + 2.90 * 1 + 2.10 * 1) = 597.9079912472843

p2 = (831.78 * 4 * 1 + 897.44 * 2.90 * 1 + 436.78 * 3.75 * 1 + 594.59 * 4.05 * 0.57) / max_coefficients = 627.627577050096

score = 597.9079912472843 * 0.5 + 627.627577050096 * 0.5 = 612.7677841486901

Rating changes

Show

all results
Date Place Points Reason
2023-11-28 20 -> 18 612.77
2023-11-26 30 -> 20 528.41 -> 612.77

Autumn Agari tournament: 0% -> 100%
2023-11-20 31 -> 30 528.41
2023-11-06 33 -> 31 517.89 -> 528.41
2023-11-05 32 -> 33 517.89
2023-10-22 34 -> 32 511.77 -> 517.89

Mushroom League: 0% -> 100%
2023-10-12 32 -> 34 523.15 -> 511.77

Moscow Riichi 2022: 71% -> 57%
2023-09-20 35 -> 32 523.15
2023-09-06 33 -> 35 523.15
2023-09-03 74 -> 33 348.05 -> 523.15

SPB Riichi Open 2023: 0% -> 100%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 897 2023-11-26 5/40 100% 2.90 CRR Autumn Agari tournament
2 364 2023-10-22 15/23 100% 2.10 CRR Mushroom League
3 832 2023-09-03 19/108 100% 4.00 RR SPB Riichi Open 2023
4 437 2023-06-11 50/88 100% 3.75 RR Money can not buy tenpai
5 348 2022-12-18 16/24 100% 2.80 CRR Meeting in the billiard room
6 595 2022-06-12 46/112 57% 4.05 RR Moscow Riichi 2022