Grigoryan Andrey

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date July 12, 2025 (latest changes July 12, 2025).

215 place (194.03).

max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.35

p1 = (136.84 * 3.85 * 1 + 118.64 * 3.25 * 1 + 828.57 * 1.90 * 1 + 0 + 0) / (3.85 * 1 + 3.25 * 1 + 1.90 * 1 + 1 + 1) = 226.06545454545457

p2 = (828.57 * 1.90 * 1 + 136.84 * 3.85 * 1 + 118.64 * 3.25 * 1) / max_coefficients = 162.00130293159611

score = 226.06545454545457 * 0.5 + 162.00130293159611 * 0.5 = 194.03337873852536

Rating changes

Show

all results
Date Place Points Reason
2025-07-12 214 -> 215 192.52 -> 194.03
2025-07-10 215 -> 214 192.52
2025-07-03 218 -> 215 192.52
2025-06-27 219 -> 218 192.52
2025-06-26 220 -> 219 192.52
2025-06-25 221 -> 220 192.52
2025-06-22 222 -> 221 192.52
2025-06-15 214 -> 222 194.87 -> 192.52
2025-06-14 208 -> 214 194.87
2025-06-11 214 -> 208 194.87

Tournaments

# Base rank Date Place Power Coefficient Type 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 83/96 100% 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