Grigoryan Andrey

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date Aug. 29, 2026 (latest changes Aug. 29, 2026).

291 place (170.27).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 15.459999999999999

p1 = (136.84 * 3.85 * 0.14 + 118.64 * 3.25 * 0.43 + 828.57 * 1.90 * 0.57 + 166.67 * 1.70 * 1 + 0) / (3.85 * 0.14 + 3.25 * 0.43 + 1.90 * 0.57 + 1.70 * 1 + 1) = 248.47196826546687

p2 = (828.57 * 1.90 * 0.57 + 166.67 * 1.70 * 1 + 118.64 * 3.25 * 0.43 + 136.84 * 3.85 * 0.14) / max_coefficients = 92.07244501940491

score = 248.47196826546687 * 0.5 + 92.07244501940491 * 0.5 = 170.2722066424359

Rating changes

Show

all results
Date Place Points Reason
2026-08-26 283 -> 291 190.67 -> 170.27

Seihoku spring tournament 2025: 71% -> 57%
2026-08-16 282 -> 283 186.85 -> 190.67

White Wolf Cup: 57% -> 43%
2026-08-15 282 186.45 -> 186.85
2026-08-14 284 -> 282 186.45
2026-08-04 288 -> 284 186.45
2026-08-02 282 -> 288 186.45
2026-07-26 284 -> 282 186.45
2026-07-25 282 -> 284 186.45
2026-07-23 284 -> 282 186.45
2026-07-18 281 -> 284 186.45

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 43% 3.25 RR White Wolf Cup Saint Petersburg
4 137 2024-09-01 83/96 14% 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