Oparin Konstantin

From Moscow, Russia

Player page

Internal rating (RR)

Rating date Jan. 29, 2026 (latest changes Jan. 26, 2026).

79 place (471.27).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (843.14 * 3.05 * 0.14 + 990.65 * 4.60 * 0.29 + 196.08 * 3.05 * 0.43 + 772.15 * 3.65 * 0.57 + 894.74 * 3.85 * 0.57 + 269.66 * 3.75 * 0.71 + 322.58 * 3.10 * 0.86) / (3.05 * 0.14 + 4.60 * 0.29 + 3.05 * 0.43 + 3.65 * 0.57 + 3.85 * 0.57 + 3.75 * 0.71 + 3.10 * 0.86) = 558.7363735099693

p2 = (894.74 * 3.85 * 0.57 + 772.15 * 3.65 * 0.57 + 990.65 * 4.60 * 0.29 + 322.58 * 3.10 * 0.86) / max_coefficients = 383.7973244147158

score = 558.7363735099693 * 0.5 + 383.7973244147158 * 0.5 = 471.2668489623426

Rating changes

Show

all results
Date Place Points Reason
2026-01-26 78 -> 79 471.27
2026-01-25 73 -> 78 471.27
2026-01-12 66 -> 73 503.69 -> 471.27

X Russian Championship: 43% -> 29%
2026-01-10 66 507.85 -> 503.69

Agari Spring Tournament 2024: 29% -> 14%
2026-01-07 64 -> 66 508.49 -> 507.85

Moscow Open Riichi Marathon: 100% -> 86%
2026-01-01 59 -> 64 530.82 -> 508.49

SPB Riichi Open 2024: 71% -> 57%
2025-12-13 61 -> 59 525.18 -> 530.82

Moscow Riichi 2024: 86% -> 71%
2025-12-09 64 -> 61 519.86 -> 525.18

Agari Summer Tournament 2024: 57% -> 43%
2025-12-07 62 -> 64 519.86
2025-12-04 60 -> 62 536.57 -> 519.86

Riichi over Volga: 71% -> 57%

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 323 2025-01-07 22/32 86% 3.10 RR Moscow Open Riichi Marathon Moscow
2 270 2024-10-13 66/90 71% 3.75 RR Moscow Riichi 2024 Moscow
3 895 2024-09-01 11/96 57% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
4 772 2024-08-04 19/80 57% 3.65 RR Riichi over Volga Samara
5 196 2024-06-09 42/52 43% 3.05 RR Agari Summer Tournament 2024 Moscow
6 991 2024-05-12 🥈 2/108 29% 4.60 RR X Russian Championship Perm
7 843 2024-03-10 9/52 14% 3.05 RR Agari Spring Tournament 2024 Moscow
8 692 2023-09-03 34/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg