Grigoryan Andrey

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date June 20, 2024 (latest changes June 20, 2024).

168 place (138.20).

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 * 0.71 + 43.48 * 1.40 * 0.86 + 0 + 0) / (1.80 * 0.29 + 1.80 * 0.71 + 1.40 * 0.86 + 1 + 1) = 206.83448201378417

p2 = (548.39 * 1.80 * 0.71 + 538.46 * 1.80 * 0.29 + 43.48 * 1.40 * 0.86) / max_coefficients = 69.5742265353662

score = 206.83448201378417 * 0.5 + 69.5742265353662 * 0.5 = 138.20435427457517

Rating changes

Show

Date Place Points Reason
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
2024-04-27 147 -> 156 154.33 -> 141.16

Sun tournament: 43% -> 29%

2024-04-25 143 -> 147 167.05 -> 154.33

Earth cup: 86% -> 71%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 43 2023-04-22 23/24 86% 1.40 CRR Fire cup 2023
2 548 2023-02-25 15/32 71% 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