Oparin Konstantin

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date April 6, 2026 (latest changes April 5, 2026).

160 place (331.41).

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 * 0.29 + 772.15 * 3.65 * 0.29 + 894.74 * 3.85 * 0.43 + 269.66 * 3.75 * 0.57 + 322.58 * 3.10 * 0.71 + 160 * 3.10 * 1) / (4.60 * 0.14 + 3.05 * 0.29 + 3.65 * 0.29 + 3.85 * 0.43 + 3.75 * 0.57 + 3.10 * 0.71 + 3.10 * 1) = 418.8635398399825

p2 = (894.74 * 3.85 * 0.43 + 772.15 * 3.65 * 0.29 + 322.58 * 3.10 * 0.71 + 990.65 * 4.60 * 0.14) / max_coefficients = 243.95384615384614

score = 418.8635398399825 * 0.5 + 243.95384615384614 * 0.5 = 331.4086929969143

Rating changes

Show

all results
Date Place Points Reason
2026-04-05 126 -> 160 378.18 -> 331.41

Moscow Riichi 2026: 0% -> 100%
2026-04-04 115 -> 126 399.09 -> 378.18

Riichi over Volga: 43% -> 29%
2026-03-30 116 -> 115 399.09
2026-03-26 117 -> 116 399.09
2026-03-21 115 -> 117 399.09
2026-03-14 114 -> 115 399.09
2026-03-12 99 -> 114 436.46 -> 399.09

X Russian Championship: 29% -> 14%
2026-03-10 98 -> 99 442.54 -> 436.46

Agari Spring Tournament 2024: 14% -> 0%
2026-03-07 98 442.15 -> 442.54

Moscow Open Riichi Marathon: 86% -> 71%
2026-03-01 96 -> 98 466.82 -> 442.15

SPB Riichi Open 2024: 57% -> 43%

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 57% 3.75 RR Moscow Riichi 2024 Moscow
4 895 2024-09-01 11/96 43% 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 29% 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
9 718 2023-11-26 12/40 0% 2.90 CRR Autumn Agari tournament Moscow
10 591 2023-10-22 10/23 0% 2.10 CRR Mushroom League Moscow
11 692 2023-09-03 34/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg