Grigoryan Andrey

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date Jan. 3, 2024 (latest changes Jan. 3, 2024).

138 place (184.79).

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

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 = 112.40773567666116

score = 257.17024269007726 * 0.5 + 112.40773567666116 * 0.5 = 184.7889891833692

Rating changes

Show

all results
Date Place Points Reason
2023-12-27 136 -> 138 195.23 -> 184.79

Sun tournament: 71% -> 57%
2023-12-19 141 -> 136 195.23
2023-12-18 142 -> 141 195.23
2023-12-12 143 -> 142 195.23
2023-11-28 136 -> 143 227.67 -> 195.23

Saint Petersburg Open 2021: 14% -> 0%
2023-11-26 132 -> 136 228.15 -> 227.67
2023-11-20 134 -> 132 228.15
2023-11-06 137 -> 134 225.39 -> 228.15
2023-11-05 131 -> 137 225.39
2023-10-27 130 -> 131 234.57 -> 225.39

Sun tournament: 86% -> 71%

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