Oparin Konstantin

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date May 24, 2026 (latest changes May 23, 2026).

139 place (359.12).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85

p1 = (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 * 0.57 + 160 * 3.10 * 1 + 703.70 * 2.45 * 1) / (3.05 * 0.14 + 3.65 * 0.29 + 3.85 * 0.29 + 3.75 * 0.43 + 3.10 * 0.57 + 3.10 * 1 + 2.45 * 1) = 443.1761547242006

p2 = (703.70 * 2.45 * 1 + 894.74 * 3.85 * 0.29 + 772.15 * 3.65 * 0.29 + 322.58 * 3.10 * 0.57) / max_coefficients = 275.0727272727273

score = 443.1761547242006 * 0.5 + 275.0727272727273 * 0.5 = 359.12444099846397

Rating changes

Show

all results
Date Place Points Reason
2026-05-19 141 -> 139 359.12
2026-05-17 197 -> 141 282.54 -> 359.12

Hatiko under the sakura: 0% -> 100%
2026-05-14 198 -> 197 282.54
2026-05-12 179 -> 198 308.67 -> 282.54

X Russian Championship: 14% -> 0%
2026-05-11 178 -> 179 308.67
2026-05-07 177 -> 178 311.48 -> 308.67

Moscow Open Riichi Marathon: 71% -> 57%
2026-05-03 176 -> 177 310.77 -> 311.48
2026-05-02 177 -> 176 310.77
2026-05-01 161 -> 177 339.67 -> 310.77

SPB Riichi Open 2024: 43% -> 29%
2026-04-29 160 -> 161 339.67

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 704 2026-05-17 9/28 100% 2.45 RR Hatiko under the sakura Korolyov
2 160 2026-04-05 43/51 100% 3.10 RR Moscow Riichi 2026 Moscow
3 323 2025-01-07 22/32 57% 3.10 RR Moscow Open Riichi Marathon Moscow
4 270 2024-10-13 66/90 43% 3.75 RR Moscow Riichi 2024 Moscow
5 895 2024-09-01 11/96 29% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
6 772 2024-08-04 19/80 29% 3.65 RR Riichi over Volga Samara
7 196 2024-06-09 42/52 14% 3.05 RR Agari Summer Tournament 2024 Moscow
8 991 2024-05-12 🥈 2/108 0% 4.60 RR X Russian Championship Perm
9 843 2024-03-10 9/52 0% 3.05 RR Agari Spring Tournament 2024 Moscow
10 718 2023-11-26 12/40 0% 2.90 CRR Autumn Agari tournament Moscow
11 591 2023-10-22 10/23 0% 2.10 CRR Mushroom League Moscow
12 692 2023-09-03 34/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg