Grigoryan Andrey

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date Jan. 14, 2024 (latest changes Jan. 14, 2024).

138 place (187.26).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 2.90 * 1) = 13.650060000000002

p1 = (538.46 * 1.80 * 0.57 + 548.39 * 1.80 * 1 + 43.48 * 1.40 * 1 + 0 + 0) / (1.80 * 0.57 + 1.80 * 1 + 1.40 * 1 + 1 + 1) = 257.17024269007726

p2 = (548.39 * 1.80 * 1 + 538.46 * 1.80 * 0.57 + 43.48 * 1.40 * 1) / max_coefficients = 117.34673693742003

score = 257.17024269007726 * 0.5 + 117.34673693742003 * 0.5 = 187.25848981374864

Rating changes

Show

all results
Date Place Points Reason
2024-01-06 138 184.79 -> 187.26
2024-01-05 139 -> 138 184.79
2023-12-27 137 -> 139 195.23 -> 184.79

Sun tournament: 71% -> 57%
2023-12-19 142 -> 137 195.23
2023-12-18 143 -> 142 195.23
2023-12-12 144 -> 143 195.23
2023-11-28 137 -> 144 227.67 -> 195.23

Saint Petersburg Open 2021: 14% -> 0%
2023-11-26 133 -> 137 228.15 -> 227.67
2023-11-20 135 -> 133 228.15
2023-11-06 138 -> 135 225.39 -> 228.15

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 15/32 100% 1.80 CRR Earth cup
3 538 2022-08-27 19/40 57% 1.80 CRR Sun tournament
4 360 2021-11-28 49/76 0% 3.45 RR Saint Petersburg Open 2021