Grigoryan Andrey

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date May 3, 2023 (latest changes May 3, 2023).

99 place (268.09).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 2.80 * 1) = 14.04985

p1 = (360 * 3.45 * 0.57 + 538.46 * 1.80 * 1 + 548.39 * 1.80 * 1 + 43.48 * 1.40 * 1 + 0) / (3.45 * 0.57 + 1.80 * 1 + 1.80 * 1 + 1.40 * 1 + 1) = 342.0859505251946

p2 = (548.39 * 1.80 * 1 + 538.46 * 1.80 * 1 + 360 * 3.45 * 0.57 + 43.48 * 1.40 * 1) / max_coefficients = 194.08605785826893

score = 342.0859505251946 * 0.5 + 194.08605785826893 * 0.5 = 268.0860041917318

Rating changes

Show

all results
Date Place Points Reason
2023-05-01 96 -> 99 268.09
2023-04-22 93 -> 96 270.94 -> 268.09

Fire cup 2023: 0% -> 100%
2023-03-28 93 277.49 -> 270.94

Saint Petersburg Open 2021: 71% -> 57%
2023-03-20 93 274.01 -> 277.49
2023-03-06 95 -> 93 274.01
2023-03-05 96 -> 95 274.01
2023-02-25 110 -> 96 191.57 -> 274.01

Earth cup: 0% -> 100%
2023-01-28 108 -> 110 200.23 -> 191.57

Saint Petersburg Open 2021: 86% -> 71%
2023-01-14 106 -> 108 200.23
2023-01-05 107 -> 106 200.23

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 19/40 100% 1.80 CRR Sun tournament
4 360 2021-11-28 49/76 57% 3.45 RR Saint Petersburg Open 2021