Grigoryan Andrey

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date June 30, 2026 (latest changes June 29, 2026).

277 place (183.90).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997

p1 = (136.84 * 3.85 * 0.29 + 118.64 * 3.25 * 0.57 + 828.57 * 1.90 * 0.71 + 166.67 * 1.70 * 1 + 0) / (3.85 * 0.29 + 3.25 * 0.57 + 1.90 * 0.71 + 1.70 * 1 + 1) = 253.58542321145853

p2 = (828.57 * 1.90 * 0.71 + 166.67 * 1.70 * 1 + 118.64 * 3.25 * 0.57 + 136.84 * 3.85 * 0.29) / max_coefficients = 114.20813131536892

score = 253.58542321145853 * 0.5 + 114.20813131536892 * 0.5 = 183.89677726341372

Rating changes

Show

all results
Date Place Points Reason
2026-06-26 270 -> 277 201.82 -> 183.90

Seihoku spring tournament 2025: 86% -> 71%
2026-06-16 272 -> 270 198.90 -> 201.82

White Wolf Cup: 71% -> 57%
2026-06-15 272 196.51 -> 198.90
2026-06-14 255 -> 272 202.13 -> 196.51
2026-06-13 256 -> 255 202.13
2026-06-09 259 -> 256 202.13
2026-05-31 252 -> 259 202.13
2026-05-26 253 -> 252 202.13
2026-05-25 254 -> 253 202.13
2026-05-17 251 -> 254 202.13

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 71% 1.90 RR Seihoku spring tournament 2025 Saint Petersburg
3 119 2025-02-16 53/60 57% 3.25 RR White Wolf Cup Saint Petersburg
4 137 2024-09-01 83/96 29% 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