Oparin Konstantin

From Moscow, Russia

Player page

Internal rating (RR)

Rating date Oct. 14, 2026 (latest changes Oct. 13, 2026).

63 place (554.23).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41

p1 = (322.58 * 3.10 * 0.29 + 160 * 3.10 * 1 + 703.70 * 2.45 * 1 + 587.41 * 4.71 * 1 + 929.58 * 3.40 * 1) / (3.10 * 0.29 + 3.10 * 1 + 2.45 * 1 + 4.71 * 1 + 3.40 * 1) = 579.7629122618621

p2 = (929.58 * 3.40 * 1 + 587.41 * 4.71 * 1 + 703.70 * 2.45 * 1 + 160 * 3.10 * 1) / max_coefficients = 528.704737183647

score = 579.7629122618621 * 0.5 + 528.704737183647 * 0.5 = 554.2338247227545

Rating changes

Show

all results
Date Place Points Reason
2026-10-13 67 -> 63 548.72 -> 554.23

Moscow Riichi 2024: 14% -> 0%
2026-10-08 66 -> 67 548.72
2026-10-03 65 -> 66 548.72
2026-10-02 66 -> 65 548.72
2026-09-07 68 -> 66 545.21 -> 548.72

Moscow Open Riichi Marathon: 43% -> 29%
2026-09-06 111 -> 68 404.99 -> 545.21

Sunset Wolf Cup 2026: 0% -> 100%
2026-09-01 104 -> 111 416.52 -> 404.99

SPB Riichi Open 2024: 14% -> 0%
2026-08-31 105 -> 104 415.95 -> 416.52
2026-08-16 101 -> 105 415.95
2026-08-15 101 414.65 -> 415.95

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 930 2026-09-06 6/72 100% 3.40 RR Sunset Wolf Cup 2026 Saint Petersburg
2 587 2026-06-14 60/144 100% 4.71 RR XII Russian Championship Samara
3 704 2026-05-17 9/28 100% 2.45 RR Hatiko under the sakura Korolyov
4 160 2026-04-05 43/51 100% 3.10 RR Moscow Riichi 2026 Moscow
5 323 2025-01-07 22/32 29% 3.10 RR Moscow Open Riichi Marathon Moscow
6 270 2024-10-13 66/90 0% 3.75 RR Moscow Riichi 2024 Moscow
7 895 2024-09-01 11/96 0% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
8 772 2024-08-04 19/80 0% 3.65 RR Riichi over Volga Samara
9 196 2024-06-09 42/52 0% 3.05 RR Agari Summer Tournament 2024 Moscow
10 991 2024-05-12 🥈 2/108 0% 4.60 RR X Russian Championship Perm
11 843 2024-03-10 9/52 0% 3.05 RR Agari Spring Tournament 2024 Moscow
12 692 2023-09-03 34/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg