Grigoryan Andrey

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date Oct. 19, 2026 (latest changes Oct. 17, 2026).

303 place (155.10).

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

p1 = (118.64 * 3.25 * 0.29 + 828.57 * 1.90 * 0.57 + 166.67 * 1.70 * 1 + 0 + 0) / (3.25 * 0.29 + 1.90 * 0.57 + 1.70 * 1 + 1 + 1) = 226.2859882905436

p2 = (828.57 * 1.90 * 0.57 + 166.67 * 1.70 * 1 + 118.64 * 3.25 * 0.29) / max_coefficients = 83.9091499026606

score = 226.2859882905436 * 0.5 + 83.9091499026606 * 0.5 = 155.09756909660211

Rating changes

Show

all results
Date Place Points Reason
2026-10-16 304 -> 303 152.84 -> 155.10

White Wolf Cup: 43% -> 29%
2026-10-15 305 -> 304 152.84
2026-10-13 308 -> 305 152.84
2026-10-10 306 -> 308 152.84
2026-10-02 308 -> 306 152.84
2026-09-26 307 -> 308 152.84
2026-09-15 309 -> 307 152.84
2026-09-06 302 -> 309 152.84
2026-09-02 303 -> 302 152.84
2026-09-01 293 -> 303 170.42 -> 152.84

SPB Riichi Open 2024: 14% -> 0%

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 167 2026-04-11 26/31 100% 1.70 RR Seihoku spring tournament 2026 Saint Petersburg
2 829 2025-04-26 7/36 57% 1.90 RR Seihoku spring tournament 2025 Saint Petersburg
3 119 2025-02-16 53/60 29% 3.25 RR White Wolf Cup Saint Petersburg
4 137 2024-09-01 83/96 0% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
5 43 2023-04-22 23/24 0% 1.40 CRR Fire cup 2023 Saint Petersburg
6 548 2023-02-25 15/32 0% 1.80 CRR Earth cup Saint Petersburg
7 538 2022-08-27 19/40 0% 1.80 CRR Sun tournament Saint Petersburg
8 360 2021-11-28 49/76 0% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg