Grigoryan Andrey

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date June 25, 2024 (latest changes June 25, 2024).

171 place (127.09).

max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 0.86 + 3.05 * 1) = 14.864125000000001

p1 = (538.46 * 1.80 * 0.29 + 548.39 * 1.80 * 0.57 + 43.48 * 1.40 * 0.71 + 0 + 0) / (1.80 * 0.29 + 1.80 * 0.57 + 1.40 * 0.71 + 1 + 1) = 194.68609668046142

p2 = (548.39 * 1.80 * 0.57 + 538.46 * 1.80 * 0.29 + 43.48 * 1.40 * 0.71) / max_coefficients = 59.50030694709577

score = 194.68609668046142 * 0.5 + 59.50030694709577 * 0.5 = 127.09320181377859

Rating changes

Show

Date Place Points Reason
2024-06-25 167 -> 171 141.31 -> 127.09

Earth cup: 71% -> 57%

2024-06-22 168 -> 167 138.20 -> 141.31

Fire cup 2023: 86% -> 71%

2024-06-11 178 -> 168 136.99 -> 138.20
2024-06-09 170 -> 178 136.99
2024-05-25 166 -> 170 136.99
2024-05-19 164 -> 166 136.99
2024-05-12 154 -> 164 141.16 -> 136.99
2024-05-05 153 -> 154 141.16
2024-05-03 154 -> 153 141.16
2024-05-01 156 -> 154 141.16

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 43 2023-04-22 23/24 71% 1.40 CRR Fire cup 2023
2 548 2023-02-25 15/32 57% 1.80 CRR Earth cup
3 538 2022-08-27 19/40 29% 1.80 CRR Sun tournament
4 360 2021-11-28 49/76 0% 3.45 RR Saint Petersburg Open 2021