Grigoryan Andrey

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date Feb. 16, 2025 (latest changes Feb. 16, 2025).

224 place (94.92).

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

p1 = (548.39 * 1.80 * 0.14 + 43.48 * 1.40 * 0.29 + 136.84 * 3.85 * 1 + 118.64 * 3.25 * 1 + 0) / (1.80 * 0.14 + 1.40 * 0.29 + 3.85 * 1 + 3.25 * 1 + 1) = 122.28566208377104

p2 = (136.84 * 3.85 * 1 + 118.64 * 3.25 * 1 + 548.39 * 1.80 * 0.14 + 43.48 * 1.40 * 0.29) / max_coefficients = 67.5634069400631

score = 122.28566208377104 * 0.5 + 67.5634069400631 * 0.5 = 94.92453451191707

Rating changes

Show

all results
Date Place Points Reason
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
2025-01-07 207 -> 212 74.27
2025-01-04 206 -> 207 74.27
2025-01-03 207 -> 206 74.27
2024-12-29 206 -> 207 74.27
2024-12-25 204 -> 206 87.14 -> 74.27

Earth cup: 29% -> 14%
2024-12-22 204 86.28 -> 87.14

Fire cup 2023: 43% -> 29%

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 29% 1.40 CRR Fire cup 2023 Saint Petersburg
4 548 2023-02-25 15/32 14% 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