Grigoryan Andrey

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date April 11, 2025 (latest changes April 11, 2025).

243 place (78.58).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85

p1 = (43.48 * 1.40 * 0.14 + 136.84 * 3.85 * 1 + 118.64 * 3.25 * 1 + 0 + 0) / (1.40 * 0.14 + 3.85 * 1 + 3.25 * 1 + 1 + 1) = 99.0455975552846

p2 = (136.84 * 3.85 * 1 + 118.64 * 3.25 * 1 + 43.48 * 1.40 * 0.14) / max_coefficients = 58.11545741324922

score = 99.0455975552846 * 0.5 + 58.11545741324922 * 0.5 = 78.58052748426691

Rating changes

Show

all results
Date Place Points Reason
2025-03-29 237 -> 243 78.58
2025-03-23 225 -> 237 78.58
2025-03-02 224 -> 225 78.58
2025-02-27 225 -> 224 78.58
2025-02-25 224 -> 225 95.57 -> 78.58

Earth cup: 14% -> 0%
2025-02-22 224 94.92 -> 95.57

Fire cup 2023: 29% -> 14%
2025-02-16 223 -> 224 74.27 -> 94.92

White Wolf Cup: 0% -> 100%
2025-02-02 217 -> 223 74.27
2025-01-26 208 -> 217 74.27
2025-01-14 212 -> 208 74.27

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 119 2025-02-16 53/60 100% 3.25 RR White Wolf Cup Saint Petersburg
2 137 2024-09-01 83/96 100% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
3 43 2023-04-22 23/24 14% 1.40 CRR Fire cup 2023 Saint Petersburg
4 548 2023-02-25 15/32 0% 1.80 CRR Earth cup Saint Petersburg
5 538 2022-08-27 19/40 0% 1.80 CRR Sun tournament Saint Petersburg
6 360 2021-11-28 49/76 0% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg