Oparin Konstantin

From Moscow, Russia

Player page

Internal rating (RR)

Rating date May 1, 2026 (latest changes May 1, 2026).

137 place (310.77).

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

p1 = (990.65 * 4.60 * 0.14 + 196.08 * 3.05 * 0.14 + 772.15 * 3.65 * 0.29 + 894.74 * 3.85 * 0.29 + 269.66 * 3.75 * 0.43 + 322.58 * 3.10 * 0.71 + 160 * 3.10 * 1) / (4.60 * 0.14 + 3.05 * 0.14 + 3.65 * 0.29 + 3.85 * 0.29 + 3.75 * 0.43 + 3.10 * 0.71 + 3.10 * 1) = 410.5078850486561

p2 = (894.74 * 3.85 * 0.29 + 772.15 * 3.65 * 0.29 + 322.58 * 3.10 * 0.71 + 990.65 * 4.60 * 0.14) / max_coefficients = 211.02742474916386

score = 410.5078850486561 * 0.5 + 211.02742474916386 * 0.5 = 310.76765489891

Rating changes

Show

all results
Date Place Points Reason
2026-05-01 126 -> 137 339.67 -> 310.77

SPB Riichi Open 2024: 43% -> 29%
2026-04-19 125 -> 126 339.67
2026-04-16 126 -> 125 339.67
2026-04-13 130 -> 126 335.72 -> 339.67

Moscow Riichi 2024: 57% -> 43%
2026-04-11 129 -> 130 335.72
2026-04-09 130 -> 129 331.41 -> 335.72

Agari Summer Tournament 2024: 29% -> 14%
2026-04-05 106 -> 130 378.18 -> 331.41

Moscow Riichi 2026: 0% -> 100%
2026-04-04 100 -> 106 399.09 -> 378.18

Riichi over Volga: 43% -> 29%
2026-03-30 101 -> 100 399.09
2026-03-14 102 -> 101 399.09

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 160 2026-04-05 43/51 100% 3.10 RR Moscow Riichi 2026 Moscow
2 323 2025-01-07 22/32 71% 3.10 RR Moscow Open Riichi Marathon Moscow
3 270 2024-10-13 66/90 43% 3.75 RR Moscow Riichi 2024 Moscow
4 895 2024-09-01 11/96 29% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
5 772 2024-08-04 19/80 29% 3.65 RR Riichi over Volga Samara
6 196 2024-06-09 42/52 14% 3.05 RR Agari Summer Tournament 2024 Moscow
7 991 2024-05-12 🥈 2/108 14% 4.60 RR X Russian Championship Perm
8 843 2024-03-10 9/52 0% 3.05 RR Agari Spring Tournament 2024 Moscow
9 692 2023-09-03 34/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg