Grigoryan Andrey

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date Dec. 17, 2023 (latest changes Dec. 17, 2023).

143 place (195.23).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.90 * 1) = 14.249820000000001

p1 = (548.39 * 1.80 * 1 + 538.46 * 1.80 * 0.71 + 43.48 * 1.40 * 1 + 0 + 0) / (1.80 * 1 + 1.80 * 0.71 + 1.40 * 1 + 1 + 1) = 268.3255881364347

p2 = (548.39 * 1.80 * 1 + 538.46 * 1.80 * 0.71 + 43.48 * 1.40 * 1) / max_coefficients = 122.1271566939091

score = 268.3255881364347 * 0.5 + 122.1271566939091 * 0.5 = 195.2263724151719

Rating changes

Show

all results
Date Place Points Reason
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
2023-11-05 132 -> 138 225.39
2023-10-27 131 -> 132 234.57 -> 225.39

Sun tournament: 86% -> 71%
2023-10-22 129 -> 131 234.57
2023-10-19 130 -> 129 234.57
2023-10-12 132 -> 130 234.13 -> 234.57

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 15/32 100% 1.80 CRR Earth cup
3 538 2022-08-27 19/40 71% 1.80 CRR Sun tournament
4 360 2021-11-28 49/76 0% 3.45 RR Saint Petersburg Open 2021