Grigoryan Andrey

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date March 10, 2024 (latest changes March 10, 2024).

143 place (163.96).

max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.90 * 1) = 13.700000000000001

p1 = (538.46 * 1.80 * 0.43 + 548.39 * 1.80 * 0.86 + 43.48 * 1.40 * 1 + 0 + 0) / (1.80 * 0.43 + 1.80 * 0.86 + 1.40 * 1 + 1 + 1) = 231.407041331686

p2 = (548.39 * 1.80 * 0.86 + 538.46 * 1.80 * 0.43 + 43.48 * 1.40 * 1) / max_coefficients = 96.51970802919706

score = 231.407041331686 * 0.5 + 96.51970802919706 * 0.5 = 163.96337468044152

Rating changes

Show

Date Place Points Reason
2024-03-10 139 -> 143 166.37 -> 163.96
2024-03-06 139 164.14 -> 166.37
2024-02-27 138 -> 139 175.82 -> 164.14

Sun tournament: 57% -> 43%

2024-02-25 133 -> 138 187.26 -> 175.82

Earth cup: 100% -> 86%

2024-02-20 134 -> 133 187.26
2024-02-12 136 -> 134 187.26
2024-01-20 137 -> 136 187.26
2024-01-06 137 184.79 -> 187.26
2024-01-05 138 -> 137 184.79
2023-12-27 136 -> 138 195.23 -> 184.79

Sun tournament: 71% -> 57%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 43 2023-04-22 23/24 100% 1.40 CRR Fire cup 2023
2 548 2023-02-25 15/32 86% 1.80 CRR Earth cup
3 538 2022-08-27 19/40 43% 1.80 CRR Sun tournament
4 360 2021-11-28 49/76 0% 3.45 RR Saint Petersburg Open 2021