Oparin Konstantin

From Moscow, Russia

Player page

Internal rating (RR)

Rating date Sept. 6, 2024 (latest changes Sept. 6, 2024).

2 place (809.42).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284

p1 = (691.59 * 4 * 0.86 + 990.65 * 4.60 * 1 + 772.15 * 3.65 * 1 + 196.08 * 3.05 * 1 + 843.14 * 3.05 * 1 + 894.74 * 3.85 * 1) / (4 * 0.86 + 4.60 * 1 + 3.65 * 1 + 3.05 * 1 + 3.05 * 1 + 3.85 * 1) = 756.4475411958349

p2 = (990.65 * 4.60 * 1 + 894.74 * 3.85 * 1 + 772.15 * 3.65 * 1 + 843.14 * 3.05 * 1) / max_coefficients = 862.3985729373278

score = 756.4475411958349 * 0.5 + 862.3985729373278 * 0.5 = 809.4230570665814

Rating changes

Show

Date Place Points Reason
2024-09-03 2 799.33 -> 809.42

SPB Riichi Open 2023: 100% -> 86%

2024-09-01 3 -> 2 778.17 -> 799.33

SPB Riichi Open 2024: 0% -> 100%

2024-08-11 3 773.76 -> 778.17
2024-08-04 10 -> 3 687.13 -> 773.76

Riichi over Volga: 0% -> 100%

2024-07-14 9 -> 10 687.13
2024-06-11 9 674.85 -> 687.13
2024-06-09 8 -> 9 683.72 -> 674.85

Agari Summer Tournament 2024: 0% -> 100%

2024-05-12 31 -> 8 472.47 -> 683.72

X Russian Championship: 0% -> 100%

2024-05-06 34 -> 31 467.76 -> 472.47
2024-04-12 35 -> 34 467.76

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 895 2024-09-01 11/96 100% 3.85 RR SPB Riichi Open 2024
2 772 2024-08-04 19/80 100% 3.65 RR Riichi over Volga
3 196 2024-06-09 42/52 100% 3.05 RR Agari Summer Tournament 2024
4 991 2024-05-12 2/108 100% 4.60 RR X Russian Championship
5 843 2024-03-10 9/52 100% 3.05 RR Agari Spring Tournament 2024
6 692 2023-09-03 34/108 86% 4.00 RR SPB Riichi Open 2023