Grigoryan Andrey

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date Jan. 25, 2026 (latest changes Jan. 25, 2026).

221 place (196.52).

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

p1 = (136.84 * 3.85 * 0.57 + 118.64 * 3.25 * 1 + 828.57 * 1.90 * 1 + 0 + 0) / (3.85 * 0.57 + 3.25 * 1 + 1.90 * 1 + 1 + 1) = 241.81247052104356

p2 = (828.57 * 1.90 * 1 + 118.64 * 3.25 * 1 + 136.84 * 3.85 * 0.57) / max_coefficients = 151.23210702341137

score = 241.81247052104356 * 0.5 + 151.23210702341137 * 0.5 = 196.52228877222745

Rating changes

Show

all results
Date Place Points Reason
2026-01-25 222 -> 221 196.52
2026-01-12 224 -> 222 196.52
2026-01-05 225 -> 224 196.52
2026-01-03 224 -> 225 196.52
2026-01-01 225 -> 224 196.12 -> 196.52

SPB Riichi Open 2024: 71% -> 57%
2025-12-27 222 -> 225 196.12
2025-12-09 223 -> 222 196.12
2025-12-07 218 -> 223 196.12
2025-12-06 216 -> 218 196.12
2025-12-04 218 -> 216 196.12

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 829 2025-04-26 7/36 100% 1.90 RR Seihoku spring tournament 2025 Saint Petersburg
2 119 2025-02-16 53/60 100% 3.25 RR White Wolf Cup Saint Petersburg
3 137 2024-09-01 83/96 57% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
4 43 2023-04-22 23/24 0% 1.40 CRR Fire cup 2023 Saint Petersburg
5 548 2023-02-25 15/32 0% 1.80 CRR Earth cup Saint Petersburg
6 538 2022-08-27 19/40 0% 1.80 CRR Sun tournament Saint Petersburg
7 360 2021-11-28 49/76 0% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg