Oparin Konstantin

From Moscow, Russia

Player page

Internal rating (RR)

Rating date March 30, 2025 (latest changes March 30, 2025).

10 place (730.27).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85

p1 = (691.59 * 4 * 0.43 + 843.14 * 3.05 * 0.86 + 990.65 * 4.60 * 1 + 196.08 * 3.05 * 1 + 772.15 * 3.65 * 1 + 894.74 * 3.85 * 1 + 269.66 * 3.75 * 1 + 322.58 * 3.10 * 1) / (4 * 0.43 + 3.05 * 0.86 + 4.60 * 1 + 3.05 * 1 + 3.65 * 1 + 3.85 * 1 + 3.75 * 1 + 3.10 * 1) = 638.8170562341912

p2 = (990.65 * 4.60 * 1 + 894.74 * 3.85 * 1 + 772.15 * 3.65 * 1 + 843.14 * 3.05 * 0.86) / max_coefficients = 821.7154574132493

score = 638.8170562341912 * 0.5 + 821.7154574132493 * 0.5 = 730.2662568237203

Rating changes

Show

all results
Date Place Points Reason
2025-03-10 9 -> 10 743.52 -> 730.27

Agari Spring Tournament 2024: 100% -> 86%
2025-03-03 9 744.04 -> 743.52

SPB Riichi Open 2023: 57% -> 43%
2025-02-16 8 -> 9 744.04
2025-02-02 7 -> 8 744.04
2025-01-26 6 -> 7 744.04
2025-01-07 5 -> 6 764.54 -> 744.04

Moscow Open Riichi Marathon: 0% -> 100%
2025-01-03 6 -> 5 764.63 -> 764.54

SPB Riichi Open 2023: 71% -> 57%
2024-11-03 6 764.71 -> 764.63

SPB Riichi Open 2023: 86% -> 71%
2024-10-13 2 -> 6 809.42 -> 764.71

Moscow Riichi 2024: 0% -> 100%
2024-09-03 2 799.33 -> 809.42

SPB Riichi Open 2023: 100% -> 86%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 323 2025-01-07 22/32 100% 3.10 RR Moscow Open Riichi Marathon
2 270 2024-10-13 66/90 100% 3.75 RR Moscow Riichi 2024
3 895 2024-09-01 11/96 100% 3.85 RR SPB Riichi Open 2024
4 772 2024-08-04 19/80 100% 3.65 RR Riichi over Volga
5 196 2024-06-09 42/52 100% 3.05 RR Agari Summer Tournament 2024
6 991 2024-05-12 2/108 100% 4.60 RR X Russian Championship
7 843 2024-03-10 9/52 86% 3.05 RR Agari Spring Tournament 2024
8 692 2023-09-03 34/108 43% 4.00 RR SPB Riichi Open 2023