Oparin Konstantin

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date Sept. 15, 2024 (latest changes Sept. 15, 2024).

3 place (800.80).

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

p1 = (590.91 * 2.10 * 1 + 691.59 * 4 * 0.86 + 717.95 * 2.90 * 1 + 843.14 * 3.05 * 1 + 990.65 * 4.60 * 1 + 196.08 * 3.05 * 1 + 772.15 * 3.65 * 1 + 894.74 * 3.85 * 1) / (2.10 * 1 + 4 * 0.86 + 2.90 * 1 + 3.05 * 1 + 4.60 * 1 + 3.05 * 1 + 3.65 * 1 + 3.85 * 1) = 739.1998768232412

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 = 739.1998768232412 * 0.5 + 862.3985729373278 * 0.5 = 800.7992248802846

Rating changes

Show

Date Place Points Reason
2024-09-03 3 791.04 -> 800.80

SPB Riichi Open 2023: 100% -> 86%

2024-09-01 5 -> 3 771.66 -> 791.04

SPB Riichi Open 2024: 0% -> 100%

2024-08-11 4 -> 5 767.25 -> 771.66
2024-08-04 5 -> 4 753.54 -> 767.25

Riichi over Volga: 0% -> 100%

2024-07-14 4 -> 5 753.54
2024-07-06 5 -> 4 753.54
2024-06-18 4 -> 5 753.54
2024-06-11 7 -> 4 739.52 -> 753.54
2024-06-09 1 -> 7 785.80 -> 739.52

Agari Summer Tournament 2024: 0% -> 100%

2024-05-12 9 -> 1 647.93 -> 785.80

X Russian Championship: 0% -> 100%

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
6 718 2023-11-26 12/40 100% 2.90 CRR Autumn Agari tournament
7 591 2023-10-22 10/23 100% 2.10 CRR Mushroom League
8 692 2023-09-03 34/108 86% 4.00 RR SPB Riichi Open 2023